stereotyped defensive reactions to threat

calandra-battersby
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stereotyped defensive reactions to threat (immobility and panic) autonomic and motor responses to threat (tachicardia, sweating) Neural systems involved in detecting threats and regulating behavioral and autonomic responses Medial Medial

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stereotyped defensive reactions to threat (immobility and panic) autonomic and motor responses to threat (tachicardia, sweating) Neural systems involved in detecting threats
and regulating behavioral and autonomic responses Medial Medial Prefrontal Cortex Hippocampus Amygdala Periaqueductal
Gray Bed Nucleus of the Stria Terminalis unconditioned (innate) anxiety responses conditioned (learnt) anxiety responses Memory consolidation of emotional events Autonomic, somatic signs of fear Autonomic, somatic signs of anxiety<br>
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Anxiety is an adaptive response that enables the individual to recognize danger and deal with an unknown vague internal or external threat

Normal anxiety is an advantageous response to a threatening situation that accompanies many aspects of life

Pathological anxiety is an inappropriate response to an internal or external stimulus ANXIETY Anxiety disorders are characterized by feelings of anxiety and fear and inappropriate severe and prolonged anticipation of negative event

Symptoms can range from mild to severe.
It is more a chronic than an episodic disorder<br>
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Anxiety Disorders Generalized anxiety disorder (GAD): general symptoms of motor tension, autonomic hyperactivity, etc. for at least one month
Phobic anxiety:
Simple phobias (Agoraphobia, fear of animals, etc.)
Social phobias
Panic disorders: Characterized by acute attacks of fear as compared to the chronic presentation of GAD
Obsessive-compulsive behaviors (OCB): repetitive ideas (obsession: a persistent idea, image or desire) and behaviors (compulsion: a strong impulse to perform an act, especially one that is irrational or contrary to one's will)
Post-traumatic stress disorders (PTSD)<br>