schizophrenia
a severe, chronic psychotic disorder that is characterized by a range of cognitive, behavioral, perceptual, and emotional dysfunction
positive symptoms
symptoms that are added to a disorder
negative symptoms
symptoms that are absent in a disorder
what are positive symptoms of schizophrenia
break from reality, hallucinations, and delusions, disorganized thinking and speech
what are negative symptoms of schizophrenia
lack of emotional responses, withdrawal, isolation, lack of volition, diminished speech output, anhedonia, associality
when does schizophrenia arise?
early adulthood or adolescence
possible causes of schizophrenia
-brain has not been fully myelinated -unable to exclude external stimuli
delusions
false beliefs; fixed beliefs that are not amenable to change in light of conflicting evidence; represent disturbed thought content
what are the types of delusions?
persecutory, referential, grandiose, erotomanic, nihilistic, somatic
persecutory delusion
believes the person is going to be harmed or harassed by individual (most common)
referential delusion
believing there is a special meaning in gestures or comments or something that happened outside of themselves (ex. someone on television is looking at them through the screen)
grandiose delusion
having exceptional skills, fame, wealth (ex. they believe they're Jesus Christ)
erotomanic delusion
believes someone is in love with them
nihilistic delusion
involves conviction or preoccupation that has a major catastrophe will occur
somatic delusion
preoccupation with bodily symptoms
thought broadcasting
believes their thoughts are transferred to the external without one speaking; people can overhear their thoughts
thought insertion
believes their thoughts are planted in their mind by some external
thought withdrawal
when an individual believes their thoughts have been removed by their minds by some external sources
hallucinations
sensory perception-like experiences that occur without an external stimulus
what are the forms of hallucinations?
auditory, visual, olfactory, gustatory, tactile, command, somatic
disorganized thinking and speech
thought disorder: a disturbance in thinking characterized by the breakdown of logical association between thoughts
three types of disorganized thinking and speech
derailment or loose associations (switching topic to topic fast); tangentiality (answer questions but responses are not answers to the questions asked); incoherence/ 'word salad' (words don't make sense)
grossly disorganized and catatonic behavior
various presentations, catatonia, stereotyped movements
catatonia
marked decrease in reactivity to the environment; limbs becomes stiff and swollen; unaware of the environment and maintain a fixed posture; more minimal or stringent to the instructions
what are the diminished emotional expression negative symptoms of schizophrenia?
"flat affect," poor eye contact, lack of gesturing and intonation
anhedonia
not experiencing pleasure
asociality
lack of interest in social events
one must have two of the following symptoms in order to be diagnosed with schizophrenia
delusions, hallucination, disorganized speech, grossly disorganized or catatonic behavior, negative symptoms
what are other symptoms of schizophrenia?
disturbance in sleep (eye movement dysfunction), lack of having an appetite, phobias or anxiety, memory problems, slow processing speed
who is at higher risk of developing schizophrenia?
males
what are the phases of schizophrenia?
prodromal phase, acute phase, residual phase
prodromal phase
when the person begins to develop the disorder -lack of attention to one's appearance -unusual thoughts or abnormal perceptions -impaired cognitive functions -delusions
acute phase
a break from reality; active
residual phase
return to a level of normal symptoms (returns to prodromal phase) -fragrant behaviors are absent but person is still impaired cognitively, socially, and emotionally
psychodynamic theory of schizophrenia
-impaired mother-child relationships -ego is overwhelmed by the sexual drives of the id -extreme regression of oral stage
learning theory of schizophrenia
proposed that individuals learn to inhibit those behaviors affiliated to schizophrenia through modeling (hospital patients)
old family theory of schizophrenia
individuals have "bad" mothers or having a schizophrenic mother; when fathers are passive
new family theory of schizophrenia
quality of communication is poor, low levels of tolerance and empathy, may go back to active phase
biological theories of schizophrenia
dopamine system is overactive or too responsive to stimulation of dopamine receptors; neuroleptics; viral infections (prenatal rubella); loss in neural connection; less brain tissue; abnormally enlarged ventricles
schizoaffective disorder
may be combined with severe mood disorders (major depressive disorder or manic episode)
erotomania
delusional disorder that they are loved by someone who is not really in love with them
what are the three schizophrenia spectrum disorders?
brief psychotic disorder, schizophreniform disorder, delusional disorder
brief psychotic disorder
not a chronic disorder; experience hallucinations and delusions, may be due to stressors
schizophreniform disorder
lasts less than six months
delusional disorder
hallucinations are not prominent anymore; only delusions; may be paranoid nature (most common symptoms)
societal treatment approaches to schizophrenia
psychosocial rehabilitation and family intervention
psychosocial rehabilitation
interventions provided by a variety of professionals to assist an individual who has schizophrenia -strengthens their cognitive skills and read social cues better -become independent with job -clubhouses is a self-contained community that provides members with social support and help find paid employment
family intervention
working with families to reduce stress; can reduce relapse rates
antipsychotic medications for schizophrenia
block dopamine receptors (decreases positive symptoms); reduces dopamine
side effects of antipsychotic medications
tardive dyskinesia
tardive dyskinesia is more common in...
women and older people
what is tardive dyskinesia
frequent eye-blinking, involuntary chewing motions, involuntary lip movements, facial grimacing, tremors in hands
learning-based treatments to schizophrenia
selective reinforcement, token economy, social skills training
selective reinforcement
increase behavior that is more functional or appropriate
token economy
operant conditioning (positive reinforcement) institutions or hospital settings
social skills training
learning how to communicate better; increasing behavior participation in society
multi-axial system in DSM-IV
axis I: mental health and substance-use disorders axis II: intellectual disabilities axis III: medical issues axis IV: psychosocial stressors axis V: 1-100 scale of how the person's feeling
impulsive control disorders
category of disorders characterized by failure to control impulses, temptations, or drives, resulting in harm to oneself or others
kleptomania
repeated acts of compulsive stealing
kleptomania is more common in...
women
intermittent explosive disorder
repeated episodes of impulsive, uncontrollable aggression; destroying others or strike out at others
pyromania
repeated acts of compulsive fire setting; motives: anger and feels a sense of empowerment and relief
personality disorder
an enduring pattern of inner experience and behavior that deviated markedly form the expectations of the individual's culture; pervasive and inflexible; has an onset in adolescence or early adulthood; stable over time; leads to distress or impairment
three clusters of personality disorders
A: odd or eccentric B: dramatic, emotional, or erratic C: anxious or fearful
Cluster A: odd or eccentric
paranoid, schizoid, and schizotypal
Cluster B: dramatic, emotional, or erratic
antisocial, borderline, histrionic, and narcissistic
Cluster C: anxious or fearful
avoidant, dependent, and obsessive-compulsive
paranoid personality disorder
suspects others are exploiting, harming or deceiving; acts secretive
schizoid personality disorder
social isolation, emotional coldness, detachment, or flat affect (distant from others, aloof)
schizotypal personality disorder
ideas of reference; odd beliefs or magical thinking, lack of coherent sense of self
antisocial personality disorder
failure to conform to social norms; associated with risk of criminality; to gain power and control
borderline personality disorder
frantic efforts to avoid real or imagined abandonment; affects the sense of identity; idealize potential caretakers
histrionic personality disorder
excessive emotionality and attention-seeking behavior; modeling or acting
narcissistic personality disorder
grandiose sense of self-importance; requires excessive admiration; modeling or acting or politics
avoidant personality disorder
feelings of inadequacy; avoids occupational activities involving interpersonal contact
dependent personality disorder
requires excessive advice from others in decision-making; lack of confidence ; feels uncomfortable or helpless when alone
obsessive-compulsive personality disorder
more compulsive behaviors and pervasive behaviors of perfection; workaholics
obsessive-compulsive personality disorder is more common in...
men
sociocultural perspectives of personality disorders
lower socioeconomic groups may develop these personality disorders due to lack of cultural influences
genetic factors of personality disorders
antisocial, narcissistic, paranoid, borderline -chromosome linking; parents and siblings -interactions between genetic factors and life experiences
brain abnormalities of personality disorders
pertains to borderline and antisocial personality disorder -affects prefrontal cortex area
biological perspective on antisocial personality disorder
lack of emotional responsiveness and exaggerated cravings for stimulation
family perspective on personality disorders
disturbances in family relationships
learning perspectives on personality disorders
focus on maladaptive behaviors; childhood experiences shape personality
learning-based treatments for personality disorders
CBT and DBT
DBT (dialectica behavior therapy)
Linehan; specific approach to treatment of borderline personality disorder; involves CBT and working on the individual's problem-solving skills and ability to regulate emotions and mindfulness
Margaret Mahler
borderline personality disorder; childhood separation from the mother figure; in this case, the mother may refuse to let go of the child
Otto Kernberg
borderline personality disorder; individuals fail to develop a sense of consistency in unity in their own self-image and has difficulty synthesizing themselves and other people
Hans Kohut
narcissistic personality disorder; self-psychology; involves deep feelings of inadequency due to lack of parental support
Freud (personality disorders)
phallic stage; children normally resolve the oedipus coplex by forsaking incestuous wishes for the parent of the opposite gender and identifying with the parent of the same gender
when does abnormal behavior in childhood and adolescence?
affects children at ages when they little capacity to cope
anxiety disorder in children
separation anxiety disorder
separation anxiety disorder
persistent, developmentally inappropriate fear or anxiety concerning separation from attachment figure (s) like primary caregiver or home
what will help buffer the effects of later stressful events in separation anxiety disorder?
having a strong attachment to the mother
depression in childhood
irritability or low mood; low self-esteem; insomnia, fatigue; distorted thinking patterns
treatments for depression in childhood
CBT and antidepressant drugs
what are the five neurodevelopmental disorders?
intellectual disability, autism spectrum disorder, specific learning disorder, communication disorders, attention-deficit hyperactivity disorder
intellectual disability
-deficits in intellectual functioning -deficits in adaptive functioning
the diagnosis of intellectual disability is solely based on what?
based on a person's level of adaptive functioning rather than solely an IQ score
down syndrome
-uncoordinated and lack muscle tone -extra chromosome on the 21st pair of chromosome (trisomy 21) -physical deformities and problems