Biological Theory of Phobias

Question	Answer
Two explanations	-Preparedness -Highly Active ANS
Preparedness	All people are biologically prepared to develop phobias of threatening things Based on Survival of the organism
Ohman	People received electrical shocks when shown either neutral pictures eg a house, or a threatening picture eg a snake or spider Everyone showed fear to the pictures they received a shock to but the fear lasted longer for the threatening pictures
Torgerseii	Concordance rates between MZ twins was 31% and 0% for DZ twins
Harris	Found that families of people with agoraphobia are more likely to have agoraphobia
Ladder and St Matthewes	People with agoraphobia or social phobias have higher levels of awareness. (Cause and effect?)
Highly Reactive ANS	Some people have more reactive ANS which would make them more fearful in threatening situations, therefore more likely to develop phobias

Resource summary

	Created by Adam O'Rourke over 11 years ago