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We studied the temporal stability of individual differences in the acquisition and generalization of fear. Seventy‐one participants were tested in two almost identical fear‐acquisition and fear‐generalization sessions (separated by 8 months). Acquisition and generalization were measured by the fear‐potentiated startle, the skin conductance response, and online expectancies of the unconditioned stimulus...
Few studies have investigated the role of the BDNF‐val66met polymorphism in fear conditioning in humans, and previous results have been inconsistent. In the present study, we examined whether the BDNF‐val66met was associated with differences in the acquisition and generalization of fear during a differential conditioning paradigm in a large sample of participants (N = 141). Using three different indexes...
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