Gen Psych Ch. 1-3

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103 Terms

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structuralism, Wilhelm Wundt

understanding the conscious existence through experience

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Wilhelm Wundt

1876, did experiments to discover the components of peoples minds, by making test subjects click a button every time they heard a sound or saw an image. invented introspection. a father of psychology. German

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Edward Titchener

also discovered structuralism. English

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functionalism

focus on how mental activities helped an organism adapt to its environment

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William James, functionalism

disagreed with Wundt, believing that the importance was WHY the mind functions as it does, rather than WHAT it does. discovered that the mind is a continuous flow of thought. emphasizes that mental development adapts to survival. believed Charles Darwin’s theory of evolution American

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Charles Darwin, theory of evolution

all organisms must survive, reproduce, and evolve

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Sigmund Freud, psychoanalytic theory

1910, studied hysteria and neurosis. believed that the unconscious mind could be accessed through dream analysis and childhood experience analysis. Austrian

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Gestalt Psychology

German psychologists Kohler, Koffka, and Wertheimer discovered that the sensory experience can be broken down into indiviIvandual parts, and people respond to these parts in perception.

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Ivan Pavlov

classical conditioning, with dog experiments studying their salivation in relation to food and in relation to a bell that they associated with food.

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John B. Watson, Behaviorism

objective analysis of the mind is impossible, so he studied observable behavior. his studies and concepts are used in cognitive behavioral therapy

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B. F. Skinner

behavior is affected by its consequences. behavior can be modified through its reward and punishment

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Abraham Maslow, Humanism

The Hierarchy of Need

Self-Actualization: Inner fulfillment

Esteem: Self-worth, Accomplishment, Confidence

Social: Family, Friendship, Intimacy, Bonding

Security: Safety, Employment, Assets

Physiological: Food, Water, Shelter, Warmth

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Carl Rogers, Humanism

therapists need more unconditional regard, genuineness, and empathy for their patients in order to take an active and efficient role in therapy

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Cognitive Revolution

  1. after a long-term rejection of studying the mind and only studying behavior, the introduction of computer science reintroduced the study of the mind
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Noam Chomsley

  1. psychology needed to incorporate mental functioning into its focus in order to understand human behavior
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Margaret Floy Washburn

first woman to get a doctorate in psychology. researched animal behavior and published an authoritative text on it

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Mary Calkins

Harvard student under William James, receive dthe first APA, but Harvard wouldn’t release it to her since she was a ‘guest student’ and a woman

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Biopsychology

how the structure and function of the nervous system affects behavior (EX: sleep, drug use, sensory, motor, ingestive, reproductive, neurodevelopment plasticity of neurons)

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Cognitive Psychology

attention, memory, thinking, intelligence, problem-solving

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empirical evidence

finding information through observations

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inductive reasoning

conclusions drawn from observation. theories or hypotheses start through deductive reasoning, then it’s tested, then the results lead to new conclusions and hypoetheses

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deductive reasoning

the results are predicted based on the general premise

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longitudinal research

the same population is tested throughout their lifespan

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cross-sectional research

multiple segments of a population are tested at a single timeq

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attrition

reduction of the number of participants over time, in longitudinal studies

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descriptive research

utilizes questionnaires, surveys, and other observing methods

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correlation research

from -1 to 1. finds the correlation between the variables. correlation does not equal causation. can reveal a confounding (third) variable

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experimental research

having a hypothesis and creating a methodology to apply to the participants in order to discover a result

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operational definition

description of what actions and operations will be used to measure the dependent variables and manipulate independent variables

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random assignment

all experiment participants have equal chance to end up on either side of the experiment (placebo or real drug)

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International Review Board (IRB)

consider scientist’s experiment ideas and dictate whether or not they are ethical. ensure that all experiments give their participants informed consent and acknowledgement of possible risks and that they are free to leave at any time

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statistical analysis

determines how likely the results were to have occurred by coincidence or on accident, as in, be insignificant. if the odds of it occurring by accident are 5% or less, then it is significant

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reliability

same results every time

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inter-rater reliability

measure of agreement among observers and how they classify the event

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validity

actually measures what it’s meant to measure

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debriefing

informing patients of potential risks before the test, and explaining everything that occurred and why after the test, to minimize long-term distress

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Institutional Animal Care and Use Committee (IACUC)

researchers and veterinarians and other qualified people decide if animal experiment proposals are ethical or not. 90% of psychological research is on animals, due to their similar bodily processes and mental structures. used to test things that may be unethical in humans, but the experiments are meant to minimize distress in the animal

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Sickle Cell Anemia

blood mutation where half of the blood cells in the person are malformed, leading to anemia and insufficient nutrient delivery (anyone with two of these genes does not survive). great for living in Africa to be immune to malaria

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epigenetics

study of gene-environment interactions, such as how the same genotype leads to different phenotypes. people can watch out for what they consume and affect if their unwanted genotype will present itself or not (EX: go to therapy to minimize mental instability. wear sunscreen to minimize skin cancer)

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terminal buttons

at the end of a neuron, may connect to another neuron’s dendrites

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synapse

the space between the terminal buttons of one neuron and the dendrites of another

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resting potential

Sodium is outside the body, Potassium is inside. Chlorine and other negative proteins help to have positive net charge and cause action potential

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depolarization, excitation

member potential becomes less negative, making the neuron more likely to fire

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hyperpolarization, inhibition

membrane potential becomes more negative, making it less likely to fire

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neurotransmitters

chemical messengers emitted by the neuron after action potential. may connect to nearby dendrites of other neurons or float away into the abyss. different types

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acetylcholine

neurotransmitter. muscle action and memory

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beta-endorphine

neurotransmitter. pain and pleasure

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dopamine

neurotransmitter. mood, sleep, and learning

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norepinephrine

neurotransmitter. heart, intestines, alertness

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serotonin

neurotransmitter. mood and sleep

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biological perspective

the idea that mental instabilities like depression are associated with imbalances in one or more neurotransmitter systems in the body

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psychotropic

drug that treats psychiatric symptoms by restoring neurotransmitter balance

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agonist

drug that mimics or strengthens the effects of a neurotransmitter

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antagonist

drug that blocks or impedes normal activity of neurotransmitter

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central nervous system

brain and spinal cord

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peripheral nervous system

every nerve excdept or the brain and spinal cord. divided into somatic and autonomic

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somatic nervous system

part of peripheral. relays sensory and motor information to the central nervous system

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autonomic nervous system

part of peripheral. controls glands and internal organs, and can be divided into sympathetic and parasympathetic nervous systems.

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sympathetic nervous system

part of autonomic. stress and fight-or-flight. allows emergency access to energy reserves and heightens sensory capacity

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parasympathetic nervous system

routine and normal bodily function. rest-and-restore.

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sympathetic symptoms

pupil dilation. sweat inhibition. increased heart rate. lung dilation. digestion inhibition. bladder unmoving

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parasympathetic symptoms

pupil constriction. sweat production. slowed heart rate. lung constriction. digestion stimulation. bladder contraction

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sulci

lines in the brain. a deep sulcus is a fissure

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gyri

solid chunks of the brain squiggles

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longitudinal fissure

the big line down the middle of the brain

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lateralization

left side controls right side of body. right side controls left side of body.

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corpus callosum

the middle portion of the brain, connecting the two halves

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forebrain

cerebral cortex, thalamus, hypothalamus, pituitary gland, limbic system

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cerebral cortex

higher level processing. has four lobes, frontal, parietal, temporal, and occipital

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thalamus

sensory relay

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hypothalamus

homeostasis

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pituitary gland

master gland of endocrine system

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limbic system

emotional and memory circuit

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Broca’s area

in frontal lobe. used for language

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Phineas Gage

lost his frontal lobe. went from soft-spoken and well-mannered to acting innapropriately

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parietal lobe

sensory and perception. has the primary somatosensory cortex, which processes sensory info like temperature, touch, and pain. it’s organized topographically (each individual section is assigned to a body part)

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temporal lobe

hearing, memory, emotion, some language. near the temples. have the auditory cortex and Wernicke’s area for speech comprehension.

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occipital lobe

visual processing. has the primary visual cortex, organized retinopically.

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limbic system

amygdala, hippocampus, and hypothalamus

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thalamus

processes most senses except for scent

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amygdala

experiencing emotion and tying it to memories

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hippocampus

learning and memory, spatial awareness

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hypothalamus

regulates homestatic processes like body temperature, appetite, and blood pressure

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midbrain

reticular formaion, substantia nigra, and ventral tegmental area

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reticular formation

regulates sleep cycle, arousal, alertness, and motor function

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substantia nigra

produces dopamine, involved with motor

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ventral tegmental areas (VTA)

produces dopamine, involved with mood, reward, and addiction

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Parkinson’s Disease

when the substantia nigra and the ventral tegmental areas degenerate together

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hindbrain

medulla, pons, and cerebellum

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medulla

automated processes like breathing, blood pressure, and heart rate

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pons

connects the brain to spinal cord, regulates sleep

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cerebellum

balance, coordination, movement, motor skills, and some memory processing

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computerized tomography scan (CT)

x-rays pass through the brain multiple times to find the different densities. they are black and white ad 2D

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positron emission tomography scan (PET)

rainbow colored. patients are injected with mildly radiocative substances and their blood flow is monitored to the differnt brain regions to find brain activity

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magnetic resonance imaging (MRI)

magnetic fields used to produce a picture of the tissue being imaged in white and white, with color sometimes, more 3D

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FMRI

an MRI but over a longer course of time

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electroencelography (EEG)

records electrical activity of the brain using electrodes on the scalp. can study the precise timing of overall brain activities by tracking amplitude and frequency of brainwaves

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thyroid

secretes thyroxine, which regulates growth, metabolism, and appetite

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adrenal gland

secretes stress hormones

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gonad

secretes sex hormone