Affective learning increases sensitivity to graded emotional faces.

Affective learning increases sensitivity to graded emotional faces. Research Abstract Details 

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Affective learning increases sensitivity to graded emotional faces. Abstract Text:

Seung-Lark Lim,Luiz Pessoa,

How does the affective significance of emotional faces affect perceptual decisions? We manipulated affective significance by pairing 100% fearful faces with aversive electrical stimulation and hypothesized that increasing the significance of a stimulus via its prior history would lead to enhanced processing. After fear conditioning, participants viewed graded emotional faces that ranged from neutral to fearful. Faces were shown either in a color that was previously paired with shock or a color not paired with shock during conditioning. Increases in the frequency of "fearful" responses for faces shown in the shock-paired color were most robust for faces at intermediate intensity levels (40-60% fearful). Psychometric fits to the data revealed significant increased sensitivity for shock-paired relative to unpaired faces. Thus, despite identical physical features for shock-paired and unpaired stimuli (aside from the color, which was counterbalanced), more frequent (and faster) "fearful" responses were made when participants viewed affectively significant stimuli. (PsycINFO Database Record (c) 2008 APA, all rights reserved).

Affective learning increases sensitivity to graded emotional faces. Publishing Authors By Initials

SL Lim,L Pessoa,

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Affective learning increases sensitivity to graded emotional faces. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Emotion (Washington, D.C.)

VOLUME: 8

Page Numbers: 96-103

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ISSN: 1528-3542

DAY: 12

MONTH: Feb

YEAR: 2008

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LANGUAGE: eng

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AFFILIATION: Indiana University.

Country: United States

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MEDLINETA: Emotion

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