首页|Spontaneous recovery of adaptation aftereffects of natural facial categories

Spontaneous recovery of adaptation aftereffects of natural facial categories

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  • NSTL
  • Elsevier
Adaptation to a natural face attribute such as a happy face can bias the perception of a subsequent face in this dimension such as a neutral face. Such face adaptation aftereffects have been widely found in many natural facial categories. However, how temporally tuned mechanisms could control the temporal dynamics of natural face adaptation aftereffects remains unknown. To address the question, we used a deadaptation paradigm to examine whether the spontaneous recovery of natural facial aftereffects would emerge in four natural facial categories including variable categories (emotional expressions in Experiment 1 and eye gaze in Experiment 2) and invariable categories (facial gender in Experiment 3 and facial identity in Experiment 4). In the deadaptation paradigm, participants adapted to a face with an extreme attribute (such as a 100% angry face in Experiment 1) for a relatively long duration, and then deadapted to a face with an opposite extreme attribute (such as a 100% happy face in Experiment 1) for a relatively short duration. The time courses of face adaptation aftereffects were measured using a top-up manner. Deadaptation only masked the effects of initial longer-lasting adaptation, and the spontaneous recovery of adaptation aftereffects was observed at the post-test stage for all four natural facial categories. These results likely indicate that the temporal dynamics of adaptation aftereffects of natural facial categories may be controlled by multiple temporally tuned mechanisms.

Facial adaptation aftereffectsSpontaneous recoveryEmotional expression aftereffectEye gaze aftereffectGender aftereffectHuman identity aftereffectHUMAN NEURAL SYSTEMVISUAL-ADAPTATIONFACE ADAPTATIONPERCEPTUAL ADAPTATIONEXPRESSIONIDENTITYREPRESENTATIONSGAZEATTRACTIVENESSDIRECTION

Qiu, Shiming、Mei, Gaoxing

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Guizhou Normal University,Guizhou Normal Univ

2021

10.1016/j.visres.2021.07.015

Vision Research

Vision Research

SCI
ISSN：0042-6989
年,卷(期)：2021.188
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