Table 2.

Summary of results indicating distinct Susceptible phenotypes. Results were observed in both males and females unless otherwise indicated.

Task	Effects of Susceptibility
Pre-stress
Continuous access 2-bottle choice	No effect
Light-dark transition test	Reduced entries and time spent in light compartment (females only)
Fear measures
Generalization test	Increased fear generalization
SEFL test	Increased fear conditioning
Extinction	Impaired fear extinction
Aversive acoustic stimulus	Increased fear conditioning
Anxiety measures
Open field test	Reduced mobility, blunted response to light onset (males only)
Elevated plus maze	No effect
Light-dark transition test	Reduced entries into light compartment
Alcohol measures
Intermittent access 2-bottle choice	Increased alcohol consumption and preference (males only)