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Lecture 5

PSYC 3140 Lecture Notes - Lecture 5: Generalized Anxiety Disorder, Panic Disorder, Frontal LobePremium

5 pages51 viewsWinter 2018

Department
Psychology
Course Code
PSYC 3140
Professor
Jennifer Lewin
Lecture
5

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Abnormal Psychology - Lecture - Feb 2nd 2018
Anxiety Disorders
1) Generalized Anxiety Disorder
2) Phobias - specific
3) Panic Disorder
Anxiety - future oriented mood state that has a negative effect
- Somatic symptoms of tension
- Apprehension about future danger or misfortune
Behavioural inhibition system - activated by brainstem or cortex - you become aware of
surroundings and consciously scan
Involes septal hippocampal system and frontal cortex
freeze , experience anxiety, apprehensively evaluate situation
Fear - present oriented mood state
- Immediate fight or flight response
- People with panic disorder feel fear but the fear is a false alarm bcz theres no immediate
threat or harm
- avoidance /escape tendency
- Activation of SNS
Fight or flight system - don’t have time to think you just react - survival mode
Brainstem, midbrain, hypothalamus and central gray matter
Alarm/escape response
Characteristics of Anxiety Disorders
- Psychological Disorders- pervasive and persistent symptoms of anxiety/fear
- Involve excessive avoidance and escapist tendencies
- Sometimes if you aviod a situation- decide not to do it or not to go you can begin to feel
better immediately
- Significant distress/impairment
- Comorbidity - often diagnosed with 2 or more disorders - why? There is alot of overlap
between the symptoms of different anxiety disorders - look the same
- Etiological factors also similar in different disorders - causal factors
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Prevalence
- 12 month - 18.1%
- Lifetime - 30%
Generalized Anxiety Disorder
- Uncontrollable worrying about many different things - school, world, life, friends, family,
future etc.
- Distress, Muscle tention, restlessness,
- Must be persistent for at least 6 months
- Worry effects behaviour
1) Intolerance of Uncertainty - perceived lack of control
- Cant cope with this- im helpless
- Uncertainty is very triggering of this constant worry - problematic because theres always
alot of uncertainty in a day to day basis
2) Erroneous Beliefs about Worrying
- Worrying has a positive perpose and will help me avoid bad things from happeneing
- Ex: Parents get worried and think that something bad will happen while im driving and as
soon as I tell them ive reached safely they feel relief - the idea that worrying lead to a
positive outcome - but 10 X worse with those who have GAD - over little things that
shouldnt even be worrisome
3) Poor Problem Orientation
- View problems as threats rather than challenges
4) Cognitive Avoidance
Worry - more up in your head, not so physiologically active
Anxiety - Very physiologically active
GAD - low responsiveness, worry about superficial things, is the bus going to come, will I get to
school on time, lower arousal- a fear of fear and and fear of anxiety so then you worry more -
more up in your head rather than deep fears
Biological Explanation
- Modest genetic component
- Defect in GABA system - anxiety is not brought under control
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