☆ Theoretical Approaches (20) ― Biological and Neurological Bases Flashcards

Theoretical Approaches in Explaining the Etiology of Psychological Disorders (20)

1
Q

study of the nervous system, especially the brain to understand behavior, emotions, and cognitive processes

A

Neuroscience

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2
Q

chemical messengers of the body

A

Neurotransmitter

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3
Q

effectively increase the activity of the neurotransmitters

A

Agonist

(Excitatory)

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4
Q

decrease or block neurotransmitter

A

Antagonist

(Inhibitory)

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5
Q

produces effects opposite to those produced by the neurotransmitters

A

Inverse Agonists

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6
Q

neurotransmitter is released, quickly broken down and brought back to the synaptic cleft

A

Reuptake

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7
Q

Neurotransmitter

most abundant in the brain and plays a key role in thinking, learning, and memory

A

Glutamate

(E) [ memory ]

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8
Q

High Glutamate causes

A
  • Psychosis
  • Neuron Death
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9
Q

Low Glutamate causes

A

Huntington’s Disease

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10
Q

Neurotransmitter

most common inhibitory neurotransmitter in the brain and regulates mood, irritability, sleep, seizures

A

GABA

Gamma-Aminobutyric Acid

(I) [ calming ]

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11
Q

High GABA causes

A

Relaxation

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12
Q

Low GABA causes

A

Anxiety/OCD

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13
Q

Neurotransmitter

regulates mood, sleep patterns, sexuality, appetite, and pain

A

Serotonin

(I) [ mood ]

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14
Q

High Serotonin causes

A

Mania

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15
Q

Low Serotonin causes

A
  • Depression
  • Anxiety
  • Eating Disorders
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16
Q

Neurotransmitter

body reward system, pleasures, achieving heightened arousal and learning

A

Dopamine

[ pleasure ]

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17
Q

Low Dopamine causes

A

Parkinson’s Disease

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18
Q

High Dopamine causes

A

Schizophrenia

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19
Q

Neurotransmitter

responsible for fight-or-flight response

A

Epinephrine

[ fight-or-flight ]

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20
Q

High Epinephrine causes

A
  • Stress
  • Sleep Disorders
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21
Q

Low Epinephrine causes

A
  • Fatigue
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22
Q

Neurotransmitter

alertness, arousal, decision-making, attention, and focus

A

Norepinephrine

[ concentration ]

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23
Q

High Norepinephrine causes

A

Mania

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24
Q

Norepinephrine causes

A

Depression

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25
# Neurotransmitter natural pain reliever, reduces pain
Endorphins ## Footnote [ euphoria ]
26
Low Endorphin causes
Eating Disorders
27
# Neurotransmitter regulates heart rate, blood pressure and gut motility, role in muscle contraction, memory, motivation, sexual desire, sleep, and learning
Acetylcholine ## Footnote (E) [ learning ]
28
Low Acetylcholine causes
Alzheimer’s (Dementia)
29
processes all information received from our sense organs and reacts as necessary
Central Nervous System
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nerve cells that transmit information throughout the *NS | *Nervous System*
Neurons
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receive messages from other nerve cells
Dendrites
32
transmit impulses to other neurons
Axon
33
a tiny fluid-filled space between the axon endings of one neuron and the dendrites or cell body of another neuron
Synapse
34
electric impulses where information is transmitted
Action Potentials
35
end of axon
Terminal button
36
space between terminal button of one neuron and the dendrite of another
Synaptic Cleft
37
lower and more ancient part of the brain; essential for autonomic functioning such as breathing, heartbeat, etc.
Brain Stem
38
# Brain Stem Parts of the Brain Stem
- Hindbrain - Midbrain - Thalamus and Hypothalamus
39
# Brain Stem contains the medulla, pons, and cerebellum; regulates many autonomic activities such as breathing, heartbeat, and digestion
Hindbrain
40
# Brain Stem controls motor coordination abnormalities associated with autism
Cerebellum
41
# Brain Stem coordinates movements with sensory input and contains parts of reticular activating system (contributes to sleep, arousal and tension)
Midbrain
42
# Brain Stem involves in regulating behavior, emotions, and hormones
Thalamus and Hypothalamus
43
located around the edge of the center of the brain
Limbic System
44
# Limbic System Limbic System consist of
- Amygdala - Hippocampus - Septum - Cingulate Gyrus
45
# Limbic System Emotions
Amygdala
46
Regulate emotional experiences and expressions and, to some extent, our ability to learn and to control impulses
Limbic System
47
# Limbic System shrinks when a person have depression
Hippocampus
48
– base of the forebrain, includes caudate nucleus ## Footnote - damage involved changing our posture or twitching or shaking - related to Parkinson’s Disease
Basal Ganglia
49
provides us with our distinctly human qualities, allowing us to look to the future and plan, to reason, and to create
Cerebral Cortex
50
# Cerebral Cortex responsible for verbal and other cognitive processes
Left Hemisphere
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# Cerebral Cortex perceiving the world around us and creating images
Right Hemisphere
52
# Cerebral Cortex area responsible for higher cognitive functions
Prefrontal Cortex
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# Cerebral Cortex Lobes of the Brain
Frontal, Parietal, Occipital, Temporal
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# Cerebral Cortex HPA Axis
Hypothalamus, Pituitary Gland, Adrenal Cortex
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# Peripheral Nervous System controls the muscles
Somatic Nervous System
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# Peripheral Nervous System regulate cardiovascular system and endocrine system
Autonomic Nervous System
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# Autonomic Nervous System fight or flight responses
Sympathetic
58
# Autonomic Nervous System rest and digest functions
Parasympathetic (calms the sympathetic nervous system)
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# Peripheral Nervous System glands produce hormones that is released to the blood streams
Endocrine System
60
chemical messengers secreted by the endocrine glands in the body
Hormones
61
# Endocrine System gland thats called "master gland"
Pituitary
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# Endocrine System controls metabolism and growth
Thyroid
63
# Endocrine System controls the levels of calcium
Parathyroid
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# Endocrine System controls metabolism, blood pressure, sex development, stress (epinephrine)
Adrenal
65
# Endocrine System releases melatonin
Pineal
66
# Endocrine System creates insulin
Pancreas
67
# Endocrine System makes sperm and release testosterone
Testes
68
# Endocrine System releases estrogen, progesterone, and testosterone
Ovaries
69
refers to a child’s reactivity and characteristic ways of self-regulation
Temperament ## Footnote As early as 2-3 months of age, approx. five dimensions of temperaments can be identified: fearfulness, irritability/frustration, positive affect, activity level, and attentional persistence/effortful control
70
when serotonin (norepinephrine) levels are low, other neurotransmitters are permitted to range more widely, become dysregulated, and contribute to mood irregularities
Permissive Hypothesis