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Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
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Modulating adaptation to emotional faces by spatial frequency filtering.

Giulia Prete1, Bruno Laeng2, Luca Tommasi3

  • 1Department of Psychological Science, Health and Territory, 'G. d'Annunzio' University of Chieti-Pescara, BLOCCO A, Via dei Vestini 29, 66013, Chieti, Italy. giulia.prete@unich.it.

Psychological Research
|November 28, 2016
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Summary
This summary is machine-generated.

Perceptual aftereffects to emotional faces are influenced by spatial frequency filtering, impacting emotional awareness. Angry faces filtered at middle and high spatial frequencies (M-HSF) showed the strongest aftereffect.

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Area of Science:

  • Psychology
  • Visual Perception
  • Cognitive Science

Background:

  • Emotional faces elicit well-known perceptual aftereffects.
  • Spatial frequency filtering can manipulate awareness of emotional content.
  • The dual route model of visual perception offers a framework for understanding these effects.

Purpose of the Study:

  • To investigate the presence and strength of perceptual aftereffects to emotional faces.
  • To examine the role of spatial frequency filtering in modulating emotional awareness and aftereffects.
  • To compare the aftereffects of angry and happy faces across different spatial frequencies.

Main Methods:

  • Four experiments were conducted using spatial frequency filtering.
  • Angry and happy faces were presented as adapters, followed by a neutral target face.
  • Participants judged the friendliness of the neutral target face.

Main Results:

  • A significant aftereffect was confirmed for unfiltered emotional faces.
  • Aftereffects varied based on spatial frequency filtering, with middle and high spatial frequencies (M-HSF) showing stronger effects for angry faces.
  • Emotional awareness, influenced by filtering, correlated with the strength of aftereffects.

Conclusions:

  • Spatial frequency filtering significantly influences perceptual aftereffects to emotional faces.
  • The strength of aftereffects is related to emotional awareness.
  • Angry faces filtered at M-HSF produced the most robust aftereffects.