Anxiety, Obsessive-Compulsive, & Related Disorders Flashcards
Anxiety
- Emotional process
- Provides motivation
- Response to a stressor
- Normal vs abnormal
Levels
- Mild
- Moderate
- Severe
- Panic
Neurobiology of Anxiety Disorders: Neurotransmitters
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↑ or ↓ serotonin
↑ or ↓ norepinephrine
↑ or ↓ gamma-aminobutyric acid (GABA)
↓
↑
↓
Areas of the brain affected
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Fear; particularly important in panic & phobia disorders
amygdala
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Arousal
Locus ceruleus
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Associated with memory r/t fear responses
Hippocampus
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Respiratory activation; HR
Brainstem
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Cognitive interpretations
Frontal cortex
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Activation of stress response
Hypothalamus
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Integration of sensory stimuli
Thalamus
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Tremor
Basal ganglia
Epidemiological statistics
> most common of all psychiatric illnesses
> more common in women than in men by at least 2:1
> familial predisposition
> common comorbidities include another anxiety disorder, depression, & substance abuse
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- persistent, unrealistic, & excessive anxiety
- worry that have occurred more days than not for @ least 6 mos
- cannot be attributed to specific organic factors
- muscle tension, restlessness
- procrastination, activity avoidance, seek reassurance
- feeling keyed up or on edge
Clinically significant impairment in social, occupational, or other important areas of functioning
Generalized Anxiety Disorder (GAD)
- avoiding activities or events d/t a negative outcome or excessive preparation prior
- affects decision-making; repeatedly seeking assurance from others
- onset not common >20
- tends to be chronic w/freq stress-related exacerbations & fluctuations in course of illness
?
- recurrent panic attacks, onset unpredictable
- intense apprehension, fear, terror, feelings of impending doom
- intense physical discomfort
- not triggered by situations in which the person is the focus of others’ attention
Panic Disorder
Panic Disorder
- lasts min or rarely hrs; sx’s of depression common
> avg age of onset of PD is late 20’s; remission & exacerbation periods
> risk factors: genetic vulnerability; tendency toward negative emotions; h/o childhood/sexual abuse; smoking
DSM V Criteria for Panic Disorders
At least 4 of the following sx’s must be present to identify the presence of a panic attack
Theories of Etiology Related to Panic & Generalized Anxiety Disorders
- Psychodynamic Theory
- Cognitive Theory
- Biological aspects include
1. Genetics
2. Neuroanatomical
3. Biochemical
4. Neurochemical
Psychodynamic Theory
- Conflict between id & superego that produces anxiety
Cognitive Theory
- There’s distorted or counterproductive thinking patterns that accompany or precede maladaptive behaviors in emotional disorders