Construct Accessivility and Eyeblink : Negativity Bias of Accessibility in Depression

概要

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Information processing approaches of depression in social psychology have argued thata depressed person has stronger links between node of self and those of constructs with negative valence in his or her associative network of memory, thus such negative constructs become more accessible during self-reference information processing. Be-havioral measures used in previous experimental studies on the problem, however, could not reflect directly the internal steps of processing. This study tried to assess the construct accessibility using eyeblink response measured in a discrete trial paradigm in which depressed and nondepressed subjects conducted a self-reference task for positive and negative trait adjectives. The eyeblink was suppressed before and during presentation of stimuli and a burst pattern of the eyeblink was observed just after it. Results of this study suggested that the pattern of the eyeblink burst after stimuli could reflect cognitive effort, cognitive load, or amount of attentional resource, therefore construct accessibility could assessed by using the eyeblink response as a measure.
東海学院大学・東海女子短期大学の論文