Behavioral health Flashcards

1
Q

Central Nervous system (CNS) includes what?

A

includes the brain and spinal cord

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2
Q

What does the brain stem contain?

A

contains midbrain, medulla, and pons

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3
Q

What does the medulla do?

A

Controls vial functions such as heart rate :3

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4
Q

What do the pons do?

A

control the management of sleep, arousal, facial expression

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5
Q

cerebellum what does it do?

A

The cerebellum is primarily responsible for muscle control, including balance and movement. It also plays a role in other cognitive functions such as language processing and memory.

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6
Q

What does the Cerebrum do?

A

cerebrum initiates and coordinates movement and regulates temperature

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7
Q

midbrain

A

controls sensory reflexes, movement, pain

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8
Q

reticular formation

A

controls mood, arousal, sleep; major source of serotonin and norepinephrine

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9
Q

thalamus

A

controls sensation, memory, states of consciousness; receives sensory input from most systems

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10
Q

basal ganglia

A

voluntary movement; degeneration in Parkinson’s, also involved in OCD and ADHD

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11
Q

hypothalamus

A

involved w/ motivation and homeostasis; regulates temperature, hunger thirst; directs ANS and endocrine system

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12
Q

hippocampus

A

formation of long term memories

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13
Q

cingulate cortex

A

directs ANS; plays role in decision making, emotion, anticipation of reward, empathy

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14
Q

amygdala

A

fear and aggression. #Emotion

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14
Q

nucleus accumbens

A

reward and pleasure

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15
Q

corpus callosum

A

connects hemispheres

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16
Q

cerebral cortex

A

thin layer of gray matter covering cerebral hemispheres

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17
Q

frontal lobe

A

primary motor cortex and areas responsible for most complex cognitive processes

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18
Q

Broca’s area

A

speech production in left hemisphere

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19
Q

prefrontal cortex

A

planning behavior, attention, and judgement

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19
Q

orbitofrontal cortex

A

emotion, impulse control

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20
Q

occipital lobe

A

primary visual cortex

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21
Q

temporal lobe

A

primary auditory cortex

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22
Q

parietal lobe

A

primary somatosensory cortex (involved in neglect syndrome)

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23
lateralization
localization of function in one of the hemispheres (Ex: language lateralized in the left hemisphere)
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Peripheral Nervous System
nerves and ganglia outside the CNS; contains somatic and autonomic nervous systems
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somatic nervous system
transmits commands for voluntary movement
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autonomic nervous system
controls glands and organs; contains sympathetic and parasympathetic nervous system
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controls glands and organs; contains sympathetic and parasympathetic nervous system
controls glands and organs; contains sympathetic and parasympathetic nervous system
27
parasympathetic nervous system
rest and digest; storage of energy
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enteric nervous system
nerve cells embedded in lining of gastrointestinal system; communicates with endocrine system; source of 95% of boys serotonin
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endocrine system
responsible for release of hormones into bloodstream; responses to input from hypothalamus
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pineal gland
releases melatonin; maintenance of sleep-wake cycles
28
pituitary gland
master gland; stimulates activity of other glands
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main parts of the neuron
soma (cell body), axons (transmit info), dendrites (receive info)
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glial cells
provide structural matrix, clean up debris, form blood-brain barrier
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myelin
insulating material covering axons; increase conduction
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glial cells
cells that form scar tissue in the brain and spinal cord
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young adulthood
The prefrontal cortex in myelinated in
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action potential
electrical signal arising in a neurons axon
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resting potential
electrical charge across membrane when neuron is not firing
35
action
The _________ potential is initiated when the membrane is depolarized to threshold
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synapse
point of communication between neurons
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neurotransmitter
chemical messenger that communicates across a synapse
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receptor
where neurotransmitter binds
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reuptake
NT reabsorbed by neuron that released it
40
acetylcholine
NT involved in movement, memory, ANS function
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epinephrine
NT involved in arousal
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norepinephrine
NT involved in arousal and vigilance; released by SNS; disruptions in PTSD and bipolar disorder
43
dopamine
NT involved in movement, planning, and reward; receptors die in Parkinson's, overactive in Schizophrenia
44
serotonin
NT involved in mood, appetite, sleep; associated with depression
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endorphins
pain; opioid drugs mimic endorphins
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glutamate
excitation of brain activity
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GABA
inhibition of brain activity
46
__________ disorders are the most common mental disorders
anxiety
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Occurs at any time during the last year having a diagnosable, mental, behavioral, or emotional disorder that causes functional impairment that interferes with at least one major life event
serious mental illness
47
serious mental disturbance (SED)
Occurs in children who have been diagnosed with a mental, behavioral, or emotional disorder
48
autism spectrum disorder
Is characterized by deficits in social relatedness and communication skills that are often accompanied by repetitive, ritualistic behavior
49
autism spectrum disorder
(1 out of 50 children) have this disorder
50
attention deficit hyperactivity disorder (ADHD)
characterized by either unusual inattentiveness, hyperactivity with impulsivity, or both
51
_____ % is the Percentage of children diagnosed with ADHD
11%
52
the causes of _______ are genetic (heritability 70%), and environmental factors
ADHD
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schizophrenia affects what percentage of the population?
1%
54
schizophrenia
characterized by hallucinations, delusions, disorganized thought and speech, disorders of movement, restricted affect, and avolition or asociality
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Positive Symptoms
behaviors found in patients with schizophrenia but not in normal people (ex: hallucinations, delusions)
55
Negative Symptoms
behaviors found in normal people but not in schizophrenics (ex: avolition, flat affect)
55
Sources of Causality
strong genetic vulnerability (50% concordance rate in twins); environmental factors (birth month, stress)
56
abnormalities in what neurotransmitter, are associated with schizophrenia?
Dopamine
56
abnormalities in what brain area is associated with schizophrenia?
enlarged ventricles
57
Bipolar Disorder
abnormalities in what brain area is associated with schizophrenia?
58
_____ % of the adult population is affected by bipolar disorder
2.6%
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What gender is most affected by Bipolar disorder
females
59
concordance rates for bipolar disorder in twins is as high as ____%
70%
60
major depressive disorder (MDD)
characterized by lengthy periods of depressed mood, loss of pleasure in normal activities, disturbances in sleep and appetite, difficulty concentrating, feelings of hopelessness, and possible thoughts of suicide
61
In order to be diagnosed with ____________ at least 5 symptoms and one must be depressed mood or anhedonia (lack of interest in activities that previously provided pleasure)
Major Depressive Disorder (MDD)
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anhedonia
lack of interest in activities that previously provided pleasure
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____ % of the population is affected by MDD
7
63
What is what is the gender most affected by MDD
Female
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___________ explanation for depression: result of a combination of negative thoughts about the self, the world, and the future
Cognitive
65
___________ explanation for depression: reduction in positive enforcement or increase in negative outcomes
learning
66
___________ explanation for depression: feelings of sadness and loneliness
Social
67
___________ explanation for depression: heritability is 40%; certain genes affecting serotonin levels
Biologicial
67
diathesis-stress model
suggests that biological vulnerabilities for a disorder interact with a person's experience of stress
68
_________ is a disorder that is not proportional to a person's circumstances
Anxiety
69
_____ % of americans experience disorders
30%
69
Fears of specific objects or circumstances
Specific Phobias
69
Social Anxiety Disorder
unrealistic fear of being scrutinized and criticized by others
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