Model
Digital Document
Publisher
Florida Atlantic University
Description
The adequacy of the learned helplessness and motor activation deficit interpretations of the interference effect
were tested. Artificially increasing motor activity by
administration of several levels of d-amphetamine failed
to attenuate the interference effect. No differential
effects of drug treatment between naive animals and animals
pretreated with inescapable shock were found in an activity
task. Both interpretations of the interference effect
would adequately explain the results.
were tested. Artificially increasing motor activity by
administration of several levels of d-amphetamine failed
to attenuate the interference effect. No differential
effects of drug treatment between naive animals and animals
pretreated with inescapable shock were found in an activity
task. Both interpretations of the interference effect
would adequately explain the results.
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