Anxiety disorders Flashcards

(43 cards)

1
Q

General Traits- Anxiety Disorders

A

Most common mental disorder in the US.
-29% develop one of mental disorders at some point in lives
-1/3rd of individuals seek treatment
-Fear and anxiety are the most common symptoms
-Most develop in childhood and persist into adulthood
-Misappraisal of body sensations

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2
Q

Which demographics have a higher prevalence of anxiety

A

-Females
-Individuals of a lower SES
-High comorbidity with depression

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3
Q

Fear

A

A natural response by a specific threat

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4
Q

Anxiety

A

No specific threat, an over-estimation of danger for a particular situation

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5
Q

Generalized Anxiety Disorder (GAD)

A

A persistent and excessive feeling of anxiety and worry about numerous events and activities
-Easily fatigued
-Difficulty in concentrating
-Underlying irritability
-Self conscious
-A frequent need for reassurance
-Sleep problems
-Shaky, twitchy

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6
Q

Features of GAD

A

-Chronic
-Prevalence peaks in middle-age
-Frequently occurs with depression, other anxiety problems, alcohol dependence

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7
Q

Why is alcohol dependence common in people with GAD

A

Alcohol has the same effect on GABA receptors as depressants

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8
Q

Genetic contributions to GAD

A

-An inherited vulnerability to be tense.
-15% of individuals with GAD also have a biological family member with GAD
-1/3 of the risk for experiencing GAD comes from genetic factors

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9
Q

Fear circuit (neuropsychological contribution)

A

-Prefrontal cortex
-Anterior cingulate cortex
-Insula
-Amygdala

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10
Q

Environmental contributions of GAD

A

-Early learning from experiencing uncontrollable events and/or overprotective parents
-Low SES

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11
Q

Behavioural/Psychological contributions to GAD

A

-Irrational beliefs and assumptions about the world (catastrophic thinking)
-Erroneous beliefs about worry (positive and negative)
-Intolerance for uncertainty (fear of negative events)
-Negative problem orientation (problems are threats)
-Cognitive avoidance (avoid thinking)

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12
Q

CBT - GAD

A

-Traditional: change maladaptive assumptions and thinking
-Self efficacy training: decrease unrealistic expectations, give self-confidence
-New age: Mindfulness, acceptance, commitment therapy.

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13
Q

Behavioural Therapy (GAD)

A

-Excercise
-Relaxation training and meditation

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14
Q

Barbituates

A

Drug arose in the 50’s marketed towards housewives

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15
Q

Benzodiazepenes

A

-Targets GABA receptors, sedative effects in large doses and often used as sleeping pills. Most effective when anxiety is reactive and acute
-Similar effects of alcohol
-Increase fall risks in older people
-Serious risk of addiction and withdrawal symptoms

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16
Q

SSRI’s

A

Function by increasing serotonin and norepinephrine in the nervous system
-Serotonin hypothesis
-Effects unclear

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17
Q

Antipsychotics

A

-Reduce dopamine in the nervous system, considered major tranquilizers.
-Typically not started on antipsychotics

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18
Q

Antihistamines

A

Calming effect on the brain and gut, can increase appetite.
-no addicting effects

19
Q

Beta-blocker

A

can stop effects if symptom is panic attack
-Block norepinephrine

20
Q

Buspironine

A

No effects on the GABA systems, no sedative effects
-ideal for elderly

21
Q

Specific Phobias

A

An unreasonable fear of a specific object or situation
-Marked, persistent, disproportionate fear of a particular object or situation
-Exposure to the object produces immediate fear
-Avoidance of the feared situation

22
Q

Specific Phobias - Features

A

-PYP: 9%
-Lifetime Prevalence: 14%
-Onset in childhood
-32% seek treatment

23
Q

Causes of SP

A

-Learning through traumatic experiences, conditioning, and vicarious learning
-Evolutionary preparedness (arachnophobia)

24
Q

Treatment for SP

A

-Systematic desensitization
-Flooding
-Modelling
-Virtual reality

25
Social Anxiety Disorder (SAD)
Fearful, anxious, or avoidant of social situations that involve the possibility of being scrutinized -pronounced, disproportionate, repeated anxiety about social situations in which the individual could be exposed to scrutiny by others -fear of being negatively evaluated or offensive to others -exposure to social situation almost always produces anxiety -avoidance of feared situations
26
Features - SAD
-PYP: 8% -Lifetime Prev: 14% -Often begins in late childhood or adolescence and persists into adulthood -40% seek treatment -More extreme symptoms will more likely persist and if participant has temperament that supports inhibition -often report low quality of life
27
Demographic SAD most prevalent in
-People who have never been married -Divorced -Not completed post-secondary -Low SES -Chronic condition -Low social support -More common in caucasians
28
Cognitive causes - SAD
-Dysfunctional belief -Perfectionism in society -Socially undesirable -Socially unskilled/inadequate -Behaviour will lead to catastrophic events -No control over anxiety in social situations -Anxiety of anticipation and dread of social situations -Dread and inhibition
29
Behavioural Factors - SAD
-Modelling behaviours indicative of social avoidance -Helicopter parenting
30
Genetic/Environment factors
-underlying genetic propensity to be shy -increased sensitivity or possible instability of ANS -prepared learning -people with social anxiety tend to pay attention to negative cues tend to interpret ambiguous situations more negatively -some children more socially inhibited
31
panic attacks
periodic/short bouts of panic that occur suddenly, reach a peak within minutes and gradually pass -heart palpitations -tingling in hands/feet -shortness of breath -sweating -hot and cold flashes -trembling -chest pains -choking sensations -faintness -dizziness -feelings of unreality
32
Agoraphobia
Avoidant behaviours occur as a result of panic attacks. Fear of open spaces, scared to be out in the world for fear of not being able to escape -unforseen panic attacks occur repeatedly -at least a month of continual concern
33
Features - Agoraphobia
-PYP: 3.1% -LP: ~5% -Late adolescence into early childhood -59% seek treatment -Lower in non-western countries -can wane and wake
34
Genetic Causes - Agoraphobia
-Individuals with PD tend to have parents with anxiety or mood disorder
35
Neuro Causes - Agoraphobia
-Panic circuit ; unstable PNS
36
Environmental Causes - Agoraphobia
-Higher reports of people with PD with children who experienced sexual/physical abuse. First panic attack linked to environmental stressor and can become more generalized
37
Psychological causes - Agoraphobia
-Overall negative affectivity (mood), early exposure to cigarette smoke, misinterpretation of body signals -More likely to feel body sensations -Avoidance behaviours begin to occur with misinterpretation of panic signals
38
Obsessive compulsive disorder (OCD)
-A reoccurrence of unwanted, obsessive intrusive thoughts -Repeated ritualistic actions or mental compulsions designed to neutralize an unwanted thoughts -basic themes of contamination, violence, orderliness, religious themes, sexuality -no pleasure arises from mental acts -often develop over time -cleaning, checking, order, balance, touching, verbalizing, counting
39
Genetic Causes - OCD
-Increased first rates among immediate parents, monozygotic high prevalence of heritability
40
Biological causes - OCD
-Head injury, brain tumour, infection -Unstable or overreactive peripheral nervous system -SSRI's, SNRI's
41
Cognitive causes - OCD
-High degrees of perfectionism -overestimate the threat of negative consequences -overimpulsion of thoughts or thought control, negative outcome is controlled by behaviour -Belief system is arbitrary and can change outcomes -memory
42
environmental causes - OCD
-Some kind of psychological stressor that occurs -reassurance component
43
CBT - OCD
-exposure with response prevention, gradual and somewhat extreme