Inverting houses and textures: Investigating the characteristics of learned inversion effects

Faces, more than other objects, are identified more accurately when upright than inverted. This inversion effect may be linked to differences in expertise. Here, we explore how stimulus characteristics and expertise interact to determine the magnitude of inversion effects. Observers were trained to...

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Vydáno v:Vision research (Oxford) Ročník 47; číslo 27; s. 3350 - 3359
Hlavní autoři: Husk, Jesse S., Bennett, Patrick J., Sekuler, Allison B.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Oxford Elsevier Ltd 01.12.2007
Elsevier Science
Témata:
Adolescent
Adult
Biological and medical sciences
Contrast Sensitivity - physiology
Cues
Discrimination Learning
Expertise
Eye and associated structures. Visual pathways and centers. Vision
Faces
Form Perception - physiology
Fundamental and applied biological sciences. Psychology
Houses
Humans
Inversion
Learning
Middle Aged
Pattern Recognition, Visual - physiology
Psychophysics
Textures
Transfer
Vertebrates: nervous system and sense organs
Learning
Houses
Transfer
Inversion
Expertise
Faces
Textures
Acquisition process
Stimulus texture
Face
ISSN:0042-6989, 1878-5646
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Popis
Shrnutí:Faces, more than other objects, are identified more accurately when upright than inverted. This inversion effect may be linked to differences in expertise. Here, we explore how stimulus characteristics and expertise interact to determine the magnitude of inversion effects. Observers were trained to identify houses or textures. Inversion effects were not found with either stimulus before training, but were found following 5 days of practice. Additionally, the learning-induced inversion effects showed partial transfer to novel exemplars. Although similar amounts of learning were observed with both types of stimuli, inversion effects were significantly larger for textures. Our results suggest that the size of the inversion effect is not a reliable index of face-specific processing.
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ISSN:0042-6989
1878-5646
DOI:10.1016/j.visres.2007.09.017