Specific Phobia
To view the entire topic, please log in or purchase a subscription.
Official website of the Johns Hopkins Antibiotic (ABX), HIV, Diabetes, and Psychiatry Guides, powered by Unbound Medicine. Johns Hopkins Guide App for iOS, iPhone, iPad, and Android included. Explore these free sample topics:
-- The first section of this topic is shown below --
DEFINITION
- Irrational fear of an object or stimulus out of proportion to the danger the phobic stimulus actually represents, leading to avoidance and distress or impairment
- Common subtypes
- Blood-injection-injury (BII): e.g. fear of needles, violent imagery, giving blood
- Marked by a biphasic physiological response that frequently leads to syncope: initial sympathetic-mediated response of increased heart rate and blood pressure rapidly followed by a vasovagal-mediated response of decreased heart rate and blood pressure
- Animal: e.g. fear of spiders, dogs, snakes
- Natural environment: e.g. fear of the dark, lightning, water
- Situational: e.g. fear of tunnels, flying, bridges
- Other: e.g. fear of vomiting, clowns, "space" (falling)
- Blood-injection-injury (BII): e.g. fear of needles, violent imagery, giving blood
-- To view the remaining sections of this topic, please log in or purchase a subscription --
DEFINITION
- Irrational fear of an object or stimulus out of proportion to the danger the phobic stimulus actually represents, leading to avoidance and distress or impairment
- Common subtypes
- Blood-injection-injury (BII): e.g. fear of needles, violent imagery, giving blood
- Marked by a biphasic physiological response that frequently leads to syncope: initial sympathetic-mediated response of increased heart rate and blood pressure rapidly followed by a vasovagal-mediated response of decreased heart rate and blood pressure
- Animal: e.g. fear of spiders, dogs, snakes
- Natural environment: e.g. fear of the dark, lightning, water
- Situational: e.g. fear of tunnels, flying, bridges
- Other: e.g. fear of vomiting, clowns, "space" (falling)
- Blood-injection-injury (BII): e.g. fear of needles, violent imagery, giving blood
There's more to see -- the rest of this entry is available only to subscribers.