Abnormal Psych

What is Abnormal Behavior

  • normal

    • functioning well by societal standards

      • objective

  • abnormal

    • culturally inappropriate

    • subjective distress

    • psychological impairment

  • cultural relativity

    • perspective that different cultures use different standards in defining abnormality

  • subjective distress

    • emotional experience that is distressing but cannot be directly observed by others

    • manics may deny subjective distress

    • psychopaths experience little remorse or distress associated with anti-social behaviors

Historical Context of Abnormal Behavior

  • abnormal behavior has been a part of human condition in all times/cultures

  • demonology (evil) vs naturalistic (illness)?

  • ancient writings of convulsive fits (epilepsy)

    • mania and depression

    • schizophrenia

    • phobias

  • demonology - the belief that possession by demons or spirits explains abnormal behavior

    • pre-historic

    • trephining - procedure where rock was used to make a hole in skull with intent to let trapped demons escape

    • alive in US today

      • 1980s - ritualistic abuse by Satan worshipers became popular explanation for Dissociative Identity Disorder

      • investigated. by FBI

  • hippocrates

    • greek physician (460-375 BE)

    • advocate for naturalistic explanations for disturbed behavior

    • medical approach to treatment (naturalistic approach)

      • abnormalities caused by imbalances of bodily fluids

      • four humors

        • yellow bile

        • black bile

        • blood

        • phlegm

  • middle ages

    • dance manias - apparent mass madness where groups of people danced in streets

      • “tarantism” (italy) caused by bite of tarantula

    • St. Vitus dance (western europe) - dance until collapse

  • witchcraft

    • end of the 15th century

    • lasted 200+ years

    • physicians/clergymen become extreme in efforts to drive out devils

      • floggings, starving, hot water immersion, torture

  • dark ages positives

    • 792 CE Baghdad, humane hospital established for mentally disturbed

    • Johnathan Weyer (1515-88)

      • natural causes for abnormal behavior

    • Reginald Scott (1538-99)

      • denied the role of demons in mental disorders

Contemporary Views

  • psychoanalytic perspective

    • sigmund freud

      • mental disorders based in unconscious sex or death conflicts

      • levels of awareness

        • unconscious - material out of awareness

        • preconscious - material that is generally out of awareness but recalled rather easily

        • conscious - material that we are aware of

      • psychoanalytic theorists believe that therapists will focus on transference (client relates to therapists like family) and work to make unconscious become conscious

  • cognitive behavior therapy

    • most empirical evidence of any theory

      • Aaron Beck

      • Albert Ellis

    • irrational thoughts/beliefs guide emotion

      • A - antecedent/triggering event

      • B - belief

      • C - consequence (emotional)

    • work to identify/change irrational belief

    • help clients change maladaptive behavior

  • humanistic/existential

    • carl rogers (humanistic)

      • every person has ability to achieve positive change, with three conditions

        • unconditional positive regard

        • genuine (therapists)

        • congruence (compassion and caring)

Malingering and Factitious Disorder

  • malingering disorder

    • “malum”, latin means bad/harmful

    • intentional production of false or grossly exaggerated physical or psychological symptoms motived by external incentives (DSM5)

      • might fake for disability benefits, financial compensation, evading prosecution

    • feigning, faking (exaggeration of symptoms)

    • suspect-effort (someone isn’t trying)

    • ganser’s syndrom

      • approximate answers

      • clouding of consciousness

      • somatic conversion

      • hallucinations

    • 13% in metropolitan ER

    • 25-30% of those seeking workers comp

    • 30% of those seeking disability

    • common symptoms

      • rare symptoms, improbable symptoms, symptom combination, symptom severity, indiscriminate symptom endorsement, obvious vs. subtle symptoms, reported vs. observed symptoms

  • factitious disorder

    • voluntary production of symptoms to assume the patient role

    • by proxy

      • imposed on another with the intention of deceiving others

    • present as sick, claim to need medical attention, usually involves parent harming child

Anxiety Disorders

  • fear and anxiety

    • all mammals born with innate capacity to experience fear

    • fear is adaptive state for dealing with a real threat or danger

    • anxiety is chronic fear sensation that is not clearly associated with any specific stimulus (maladaptive)

    • 2:1 female to male ratio for anxiety

      • females may seek treatment more often

      • underreported in men

      • women subjected to more traumas

      • biological explanations (hormones related to reproductive system)

    • anxiety disorders affect in three ways

      • physically (ex. tension in body)

      • psychologically (ex. worry/intrusive thoughts)

      • behaviors (ex. avoidance)

    • panic disorder

      • ANS (autonomic nervous system) response

      • characterized by recurrent, spontaneous and unexpected panic attacks

      • not due to medical condition or the effects of a substance

      • followed by a month or more of persistent concern that attacks will recur

      • symptoms

        • increased heart rate

        • chest pains

        • shallow/rapid breathing (can lead to hyperventilation)

        • feeling faint

        • dizziness

        • headaches

        • seizure-like activity

        • profuse sweating

        • crying

      • may be followed by changes in behavior that are related to avoiding another attack

        • avoiding physical activities, responsibilities

      • worry about health can extend to co-morbity (depression, generalized anxiety, illness anxiety)

      • onset is tuypically between adolescence and mid-30s

      • fairly common, affects up to 5% of population

    • agoraphobia

      • greek for “fear of the marketplace”

      • anxiety about being in places/situations where escape would be difficult

      • comorbid with panic attacks

      • reluctant to leave home

    • specific phobia

      • intense persistent fear triggered by specific objects or situations

      • DSM-5 subtypes

        • animal

        • natural environment

        • blood-injection

        • situational

        • other

        • lifetime prevalence 12%

    • social anxiety

      • fear of being in crowds, public speaking

      • occurs when exposed to unfamilar people/scrutiny of others

      • 12.1% lifetime prevalence

    • generalized anxiety disorder

      • constant state of worry

      • on edge, worry about minor and major events

      • comorbid with depression and panic disorder

    • obsessive compulsive disorder (OCD)

      • obsession - intrusive thought that is difficult to stop or control

        • common obsessions include disease, religion, sexual issues

      • compulsion - action that one feels compelled to perform

        • common compulsions include checking, rituals, handwashing

      • individuals with obsession attempt to ignore or suppress them

      • can lead to ritualized behavior in order to suppress obsessions

      • can be time consuming at least an hour per day or frequently much longer periods

      • may become incapacitated by rituals

      • moderate genetic link

      • higher levels of activity in the orbital frontal lobe

      • increased risk in kids who have been exposed to trauma

    • hoarding

      • collect items that t hey are later unable to discard

      • persistent difficulty in parting with personal possessions regardless of the actual value of those possessions

      • subtypes: animals, everyday objects

    • trichotillomania

      • pull out hair band, noticeable hair loss

      • centered on any part of the body

      • involves scalp, eyebrows, eyelashes

      • involves an increasing tension that precedes the act

      • pulling associated with pleasure, gratification, or relief

      • associated with mood disorders and OCD

    • TREATMENT (anxiety disorders overall)

      • psychotherapy

        • cognitive behavioral therapy - inference based CBT (OCD)

      • medication - benzodiazepines

        • xanax, valium, klonopin

          • addictive

          • impairs working memory

        • SSRI, anti-depressants

          • paxil, wellbutrin, celexa

          • takes 30-45 days to work

          • lexapro - works immediately

Childhood Disorders

  • common disorders:

    • communication disorders (verbal)

    • learning disorders, highly comorbid with adhd

      • expressive communication

      • disorder of reading (word recognition and reading comprehension)

      • disorder of written expression (Dysgraphia)

      • math disorder

    • behavioral disorders

      • oppositional defiant disorder

      • conduct disorder

    • neurodivergent disorders

      • ADHD

      • autism spectrum disorders

  • Attention Deficit / Hyperactivity Disorder (ADHD)

    • most common diagnosed childhood behavior disorder

    • come into prominence in 70s

    • diagnosing and treatment has improved over past 20 years

    • clinical presentation

      • used to be thought of developmental problems in the womb

      • 1980 - attention deficit began to be viewed as cornerstone of the disorder

      • 1994 - DSM-IV combined symptoms of hyperactivity, impulsivity, and inattention

      • three main presentations:

        • ADHD - predominately inattentive

          • most common in girls and adults

        • ADHD - predominately hyperactive

        • ADHD - combined

          • most common mainly in boys

      • very different from child to child

      • easily recognizable in kids who are physically active and viewed by others as impulsive/disruptive

      • may become isolating as they get older

    • ADHD - Inattentive

      • more difficult to diagnose

      • does better with peers, may struggle with academic problems

      • show inattention but not hyperactive/impulsive

      • symptoms:

        • careless mistakes in school work

        • easily distracted

        • difficulty following instructions

        • not listening when spoken to directly

        • trouble organizing tasks and possessions

        • fails to finish school work/chores

    • etiology

      • not clear

      • predominant thinking is that it is neurological, limited environmental influence

      • no clearcut genetic evidence

    • brain (children)

      • smaller occipital lobes

      • smaller brain volumes

      • decreased cortical thickening in the anterior cingulate cortex

    • environmental

      • low birth weight

      • traumatic brain injury

    • ADHD - Hyperactive

      • symptoms:

        • fidget or squirm

        • trouble staying in seat

        • runs and climbs where is inappopriate

        • has trouble playing quitely

        • extremely impatient

        • excessive talking

  • Reactive Attachment Disorder

    • rare

    • serious

    • infant/young child does not establish healthy attachments with parents or caregivers

    • may develop if the child’s basic needs for comfort, affection, and nurturing aren’t met

  • Autism Spectrum Disorders

    • developmental

    • marked by difficulty with social communication and interaction

    • restricted/repetitive patterns of behavior, interests, or activities

    • characterized by inadequate social understanding

      • repetitive, restrictive behavior

      • may line up toys rather than playing with them

    • wide range of presentation

      • intellectual disability / superior intelligence

      • nonverbal / verbal

      • nonsensical speech / hold conversation

      • total assistance / living alone

    • Asperger’s Disorder

      • once considered as a separate confition along the autism continuum

      • changed in DSM-5, removed

      • now referred to as “high-functioning”

    • Autism Assessment

      • mild cases can be difficult to diagnose

      • evaluation usually conducted in an interdisciplinary setting

        • medical

        • psychological

        • speech

        • OT

        • PT

      • applied behavioral analysis

Somatization Disorders

  • somatic symptom disorders

    • involve bodily symptoms, psychological cause

    • psychological distress worsens physical symptoms

    • lower diagnostic reliability than anxiety or mood disorders

  • somatic symptom disorder

    • multiple physical complaints that disrupt daily life

    • may or may not be underlying condition

    • tend to worry about illness and interpret their symptoms as overly serious

  • ego-defense mechanism?

  • DSM criteria

    • somatic symptoms result in excessive thoughts, behaviors or feelings as evidenced by the following:

      • anxiety related to health

      • excessive amount of energy and time devoted to health concern

      • persistent and disproportionate thoughts about the seriousness of one’s symptoms

  • psychogenic - originating from psychological factors

Dissociative Disorders

  • Conversion Disorder - where physic energy or stress is converted into physical symptoms

  • Symptoms

    • Partial or complete paralysis

    • Selective loss of function

    • Abasia (the ability to move legs when lying or sitting but not to stand or walk)

    • Speech disturbances mutism

    • Disturbances in vision/hearing

    • Anesthesia

    • Analgesia

    • Paresthesia

    • Lump in throat

  • Causal Factors

    • Essentially considered a form of autosuggestion to express and relieve conflict

    • Could also produce secondary gain by allowing the sufferer to avoid responsibilities or undesired situations 

  • Co morbid with

    • Panic disorder

    • Anxiety

    • Depression

    • Somatic symptom disorder

  • Dissociative Disorder

    • Involve certain altered states of consciousness and disruptions of memory and identity

    • Generally rare

    • Associated with stressful or traumatic experiences

    • Very low diagnostic reliability

    • Symptoms can be easily feigned, and they are perhaps overrepresented in situations in which malingering should be carefully considered. 

Three types of dissociative disorders

  • dissociative amnesia

    • Unexplained inability to recall important personal information

    • More common among females

    • Idiopathic transglobal amnesia

    • Involves loss of memory for certain period of time

    • sudden onset

    • may be delayed from the precipitating stressor

    • course is variable, spontaneous recovery/chronic recovery

  • dissociative fugue

    • sudden unexpected travel with inability to recall one’s past

    • assume new identity

    • more often brief duration

    • remits spontaneously

  • dissociative identity disorder

    • formerly called multiple personality disorder

    • most with condition also develop PTSD, depression, somatic symptom disorders, substance related disorders

    • suicide risk increased

    • personalities may range between 2-100 but in half the cases there are 10 or less identities

    • affect women more than men

    • features:

      • lost time

      • 2 or more personalities

      • women display more personalities than males

      • 1.1% of female population in Turkey

      • rise in incidents over past few decades

    • various personalities show physiological variations

      • ex. handedness may change, glasses/no glasses

      • EEG differences in patients during personality switching were greater than those produced by stimulating subjects

Mood Disorders

  • Major Depressive Episode

    • involves 2-week period of constant depressive symptoms

      • sadness, loss of interest/pleasure, changes in weight, sleep, loss of energy, agitated/slow movement (AKA anhedonia), difficulty concentrating, guilt, thoughts of death, social withdrawal

    • MDD characterized by duration and severity

    • vegetative symptoms

      • disturbance of appetite

        • not hungry at all / eat more (comfort foods)

      • disturbance of sleep

        • less sleep / sleeping too much (16-20hrs)

    • can develop psychotic symptoms

    • physical pain

    • chronic illness

  • Manic Episode

    • a distinct period (at least one week) of expanisve, elevated, or irritable mood

    • enjoyable/euphoric (elevated)

    • overly enthusiastic and intrusive in social interactions (expansive)

    • hypersexuality?

    • increased impulsive behavior

    • flight of ideas

      • tangential thought

      • circumstantial speech

    • engage in impulsive, maladaptive behavior

    • diagnostic criteria

      • distinct period of elevated, expansive, or irritable mood

      • increased goal-directed energy

      • inflated self-esteem

      • decreased need for sleep

      • talkative / pressure to keep talking

    • Bipolar 1 vs. Bipolar 2, cyclothymia

    • chronic, persistent mental illness

    • Hypomanic Episode

      • similar to but less severe than manic episode

      • elevated, expansive, irritable mood for 4 days, no psychotic symptoms to be diagnosed

  • Persistent Depressive Disorder

    • formerly known as dysthymia

    • nearly a continuous state of depressed mood that lasts two years without much respite

    • requires fewer symptoms than are required for major depressive disorder

  • Disruptive Mood Dysregulation Disorder

    • chronic severe irritability

      • temper outbursts for age 10

        • verbal or physical

        • outbursts myst be persistent 3 times per week or more

        • cross situational

      • not recommended for children under 8

    • prevalence 2-5%

  • TREATMENT

    • medication

    • beneficial to about 50-70% for alleviating depression

      • tricyclics (oldest)

        • amitryptyline, nortryptyline

      • MAOI (monomine antioxidase inhibitors)

        • marplan

        • very rarely used, follow very rigid diet, no tyramine

      • SSRIs (selective serotonin reuptake inhibitors)

        • wellbutrin, paxil, prozac, celexa, effexor, lexapro, cymbalta

        • take 30-60 days to reach therapeutic level

        • lexapro works immediately/30-45 days

        • side effects

          • drowsiness, weight change, nausea, sexual disfunction

        • in children/adolescents

          • “Physician’s Desk Reference”

          • black box warning in children and teens due to increased risk of suicidal thoughts

      • electroconvulsive therapy (ECT)

        • shocks given to brain, strong enough to cause a seizure

        • 90% effectiveness rate for depression

        • terrible side effects

        • last resort

      • transcranial magnetic stimulation

        • use magnetic waves to impact the brain

        • close to ECT without bad side effects

      • psychotherapy

        • cognitive behavioral therapy (CBT)

          • identify patterns of thinking that contribute to depression

          • balance thoughts

Eating Disorders

  • involve patterns of alters consumption , some of which affect the absorption og nutrient

  • do not include obesity (not listed as mental disorder)

  • anorexia nervosa

    • recognized for more than 100 years

    • rare until mid-20th century

    • three main features

      • restricted calorie intake insufficient to maintain normal body weight

      • intense fear of gaining weight

      • disturbance in the perception of body size

    • two eating patterns

      • restricting type - individual diets, fasts, or exercises excessively so that intake of food is inadequate to maintain current weight

      • binge-eating/purging type - the individual regularly consumes food, often in large quantities but then compensates by inducing vomiting or by misusing laxatives, enemas, or diuretics to produce weight loss

    • weight loss achieved by severe restriction in diet

    • certain food items/range of acceptable food is narrow

    • food become preoccupation, with obsessive-compulsive intensity

    • thinks of food a lot, may hoard food items or collect recipes

    • mortality estimates varies from 0.71 - 17.8

  • bulimia nervosa

    • sense of lack of control related to recurrent episodes of eating large quantities of food

    • binge eating - amounts of food larger than others would normally eat in a given time, usually high in calories

    • more common than anorexia

      • 1.5% of females

      • female to male ratio 10:1

    • not related to social economic status

    • several negative physical consequences

Suicide Assessment and Intervention

  • attempted suicide is a potentially self-injurious act committed with at least some intent to die

  • solve problems of intense emotional pain with impaired problem-solving skills

  • no typical suicide victim

  • suicide is 4x higher in males than females

  • male deaths make up about 79% of lethal suicides

    • firearms most commonly used among males

  • females attempt more often than men, but men are more successful

  • men suicide rates ranking

    • 75 yrs+

    • 25 - 44 yrs

    • 45 - 64 yrs

    • 65 - 74 yrs

    • 15 - 24 yrs

    • 10 - 14 yrs

  • females more likely than males to have suicidal thoughts

    • attempt suicide 3x more often

    • poisoning is most common

  • LGBT youth are 3.5x more likely to attempt than heterosexual peers

    • transgender kids 5.87x more likely to attempt

  • by profession

    • healthcare professionals

    • first responders

    • military personnel

    • construction workers

    • farmers and ag workers

    • artists

    • legal profession

    • education sector

  • warning signs

    • talking about attempting suicide

    • unbearable pain

    • recent fascination with death

    • feelings of hopelessness, worthlessness, quilt, shame, anger, like a burden

  • suicide risk behavior

    • recent attempt

    • planning an attempt

    • increased alcohol/drug use

    • losing interest in personal appearance/hygiene

    • withdrawal from social life

    • giving away possessions

    • recent depression

    • changes in eating and sleep patterns

    • becoming violent

    • expressing rage and recklessness

Sexual Dysfunction

  • sexual dysfunction

    • associated with disturbances of the sexual response cycle or with painful intercourse

    • Masters and Johnson’s Sexual Response Cycle

      • excitement phase - begins with whatever is sexually stimulating and arousing for the particular person phase of penile erection and vaginal lubrication

      • plateau phase - in which the sexual arousal is maintained and intensified

      • orgasmic phase - the shortest period of the cycle, consists of those few second when the bodily changes resulting from stimulation reach their maximum intensity

      • resolution phase - sexual tensions decrease as the person returns to the unstimulated state. males experience refractory period where arousal and orgasm are impossible

    • diagnosis requires clinical judgement that the impairment is not a normal variation in response

    • modifiers (dysfunction can be classified by)

      • lifelong vs. acquired

      • generalized vs. situational

      • severity (mild, moderate, severe)

    • female sexual interest/arousal disorder

      • low arousal or lack of desire may be generalized to all sexual activities or it may be situation, involving only one partner or a specific activity such as intercourse

      • typically does not seek or initiate sexual interaction, may participate reluctantly

    • male hypoactive sexual desire disorder

      • recurrent deficiency in or absence of sexual desire and erotic thoughts or fantasies

      • persists at least 6 months

      • does not initiate sexual activity

      • masturbation may continue in the absence of desire

      • affects about 2% of males 16-44 yrs.

    • erectile disorder

      • persistent recurrent difficulty in attaining an adequate erection for sexual activity or in maintaining the erection

      • some cannot obtain erection at onset

      • may be generalized to all situations or may be specific

    • causal factors

      • medical conditions, mental disorders, medications (SSRIs)

    • treatment

      • no medications that can create sexual desire

      • testosterone supplementation

      • psychotherapy is modestly effective, 50-70% of patients showing improvements

    • premature ejaculation

  • paraphilic disorders

    • intense interest in or preference for unusual targets of sexual arousal

  • gender dysphoria

    • in which there is a strong and persistent sense of incongruence between one’s assigned gender and one’s gender identity

Paraphilia

  • intense interest in or preference for non-normative targets of sexual arousal

  • must be distinguishable from non-pathological sexual fantasies

  • exhibitionistic disorder

    • recurrence, fantasy, urge or behavior of exposing one’s genitals to an unsuspecting stranger

    • sexually arousing for the offender and last over a period of 6 month

    • occasionally the exhibitionist masturbates during the act of exposure or while fantasizing about the exposure later

    • one of the most commonly reported sexual disorders in the US

    • frequently introverted and quitely appropriate in ordinary social relationships

    • onset before age 18

    • 2-4% prevalence rate

    • how to respond:

      • try to leave

      • don’t show surprise or disgust, keep blank expression

      • call 911

      • point and laugh (last resort)

  • fetishistic disorder

    • sexual interest becomes focused on objects not linked with sex

    • anything can be fetishized

      • ex. symphorophilia (car crash/disaster fetish)

    • partialsim

      • sexual interest with a focus on a specific part of the body

      • can be any part of the body

  • necrophilia

    • sexual attraction to corpse

    • Jeffery Dahmer

      • killed 17 men and boys from 1978-1991

      • evaluated by Philip Resnick (renowned forensic psychiatrist)

      • violent sexual fantasies at an early age

      • sexual fantasies would involve dominance, turned into fantasizing about sex with a corpse

      • beat up when tried to impose dominance on other men

      • chemical lobotomy on alive victims

      • officially diagnosed with necrophilia

  • Frotteuristic Disorder

    • intense sexual arousal from touching or rubbing against a non-consenting person

    • typically in crowded setting (subway, elevators, sporting events)

    • may rub genitals or hands against victims

    • almost always men

      • may wear protective cover over penis to prevent from staining clothes

    • sometimes fantasize about having relationship with victim

  • pedophilia

    • intense sexual arousal to prepubescent children, persisting at least 6 month

    • ephebophilia - sexual attraction to post pubescent teens

    • offender must be at least 16, five or more years older than the child

    • girls are victims more often than boys

    • rationalize behavior as educational or pleasurable

    • may take or engage in hobbies or activities that bring them into contact with children

    • 3-5% prevalence rate

    • plethysmographic assessment - measure changes in penile circumference in response to visual and auditory stimuli of a sexual nature

  • furries

    • an enthusiasm for animals characters with human characteristics, in particular a person who dresses up in costume as such a character or uses one as an avatar online

    • estimated to be about 150,000 in the US

    • not always sexual

    • no evidence that schools are encouraging (providing litter boxes, etc.)

  • zoophilia

    • sexual fixation on non-human animals

    • beastiality is cross-species sexual activity between humans and non-human animals

    • zoophilia is attraction, beastiality is the act

  • objectophilia

    • sexual or romantic attraction focused on particular inanimate objects

    • may have strong feelings of love and commitment to certain items or structures of their fixation

  • sexual masochism disorder

    • intense arousal through fantasies, urges, or behaviors involving the act of being bound, beaten, humiliated, or forced to suffer

    • chronic

    • relatively mild, may increase in intensity and danger

    • asphyxiophilia

      • oxygen-depriving activities (choking, hanging, suffocating)

    • prevalence is about 2% in males, 1% in females (Austrailia)

  • sexual sadism disorder

    • sadism comes from the name of the marquis de Sade (wrote stories about inflicting pain on sexual partners)

    • commit the act on nonconsenting person or is distressed by urges

  • transvestic disorder

    • recurrent, intense, sexually arousing fantasies that involve cross-dressing

    • may range from occasionally wearing a single object of women’s clothing to complete cross-dressing with makeup, female mannerisms, and habits

    • experience sexual arousal by imagining themselves as females

  • voyeuristic disorder

    • people with VD experience does not seek sexual contact with observed person

    • violation of privacy

    • usually begins by age 15

    • chronic course

Gender Dysphoria

  • gender dysphoria - strong and persistent cross-gender identification and persistent discomfort with ones assigned sex or associated gender role. person experiences clinically significant distress or impairment in functioning

  • complete a year of life experience in opposite gender

  • DSM-5 estimates that between 0.005-0.014% of adult males

    • 0.002-0.003% of adult females have gender dysphoria

Substance Abuse

Drug Classifications

  • depressants (ex. alcohol)

  • sedatives (barbiturates, sleep-inducing drugs)

  • anti-anxiety (xanax, valium)

  • opioids (morphine, oxycontin)

  • stimulants (adderall, meth, cocaine)

  • hallucinogenics (LSD, mushrooms)

types of addiction

  • physiological dependence

    • body becomes used to having drugs in the system and becomes sick when drug is absent

    • withdrawal - physical symptoms that become present due to lack of drug

    • tolerance - consume more of drug to get same desired affect

    • hangover: fatigue, thirst, nausea, headache, etc.

  • psychological dependence

    • intense mental craving for drug

Alcohol

  • world’s oldest recreational drug

  • occurs naturally and frequently in environment

  • created through fermentation

  • common since first colonies were established

    • intoxication was both common and accepted

    • temperance societies began addressing in 1833

  • alters two important neurotransmitters (GABA and glutamate)

Personality Disorders

  • personality is the stable and enduring pattern of relating to oneself and to the world

  • DSM distinguishes normal from abnormal personality

    • takes a long time to diagnose

    • complex process

    • disturbances in areas of global functioning (eg. mood, cognition, social interaction, impulse control)

  • Personality Clusters

    • Cluster A

      • 5.7% meet criteria for at least one cluster A diagnosis

      • not intense enough for delusions/hallucinations

      • sufficient stress triggers brief psychotic states

      • Paranoid Personality Disorder

        • extreme distrust and suspicion

        • no sense of humor

        • rarely relax

        • easily take offense/hold grudges

      • Schizoid Personality Disorder

        • detached from social relationships

        • restricted range of emotional expression

        • appear cold/aloof

        • few relationships, prefer to be alone

      • Schizotypal Disorder

        • magical thinking

        • eccentric behavior

    • Cluster B

      • difficult interpersonal relationships

      • anger

      • manipulative

      • Antisocial Personality Disorder

        • routinely violate the rights of others

        • show no empathy/sympathy/concern

        • begins before age 15

        • very manipulative

        • threaten violence, suicide

      • Borderline Personality Disorder

        • view others/world as all good or bad

        • extremes

        • motivated by deep fear of abandonment

        • poorly developed sense of self

        • excessive idealization

        • chronic feelings of emptiness

        • unstable active emotions

        • underlying motive of manipulation

        • occasional self-harm or suicidal ideation

        • may show dissociative symptoms

      • Histrionic Personality Disorder

        • extreme attention seeking

        • excessive emotionality

        • rapidly shifting emotions

        • more prevalent in females

      • Narcissistic Personality Disorder

        • self-centered, require admiration of others

        • exaggerate self importance

        • fantasies about own success, brilliance, etc.

        • feels entitled to special treatment

        • lack empathy and exploits others

Cognitive Disorders

  • delirium - characterized by a disturbance of consciousness and change in cognition that develops over short period of time

    • caused by physical conditions

    • changes can include difficulties with attention, memory, orientation, language

    • perception, the sleep-wake cycle, personality, mood

  • dementia - chronic cognitive disorder

    • confused, vegetative victim

    • impair independent functioning

    • affects over 5 million americans

    • Alzheimer’s

      • common form of progressive, degenerative, and fatal dementia

      • approximately 70% of all dementia cases

    • Vascular Dementia

      • caused by stroke

    • Fronto-temporal lobe dementia

      • begins in early 40s

      • quickly progressing

    • Leuex Body Dementia

      • causes bizarre behavior

      • Robin Williams

Schizophrenia

  • characterized by psychosis

    • delusions (beliefs not attached to reality)

    • hallucinations

    • grossly impaired speech or movement (catatonia)

  • delusions

    • false belief that is firmly held, contrary to evidence adn the consensus of other people

      • bizarre delusions - false beliefs that could not possibly be true

      • delusional jealousy - involves the incorrect conviction that a person’s spouse or partner is being unfaithful

      • erotamanic delusions - false beliefs that another person, often someone famous or higher status, is in love with

      • grandiose delusions - grossly inflates self-importance, fame, power, wealth, or knowledge

      • delusions of being controlled - belief that some external force of agent is manipulating one’s movements, thoughts, speech, or emotions

      • delusions of reference - events, people, or things in the immediate environment have a special significance for the individual

      • persecutory delusions - theme of being plotted against, attacked, cheated, threatened, or persecuted in some way

      • thought broadcasting delusions - belief that others can hear or receive one’s thoughts

      • somatic delusions - false convictions that concern the body

      • thought insertion delusions - some external person or agency is inserting thoughts into one’s consciousness

  • disturbances in sensation and perceptions

    • auditory hallucinations - hearing voices that may condemn, praise, direct, or accuse

    • visual hallucinations - seeing things that others do not see. can include lights, moving objects, places, people

    • gustatory hallucinations - involve the perception of taste, such as blood

    • olfactory hallucinations - involve odors, usually unpleasant

    • somatic hallucinations - sensations coming from inside the body, like electricity or pressure

    • tactile hallucinations - feeling of being touched or feeling something beneath the skin

  • hallucinations can be mood congruent or mood incongruent

  • drug induced hallucinations are usual visual or tactile

  • gustatory and olfactory hallucinations more likely to be result from brain damage

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