Comparing neural correlates of configural processing in faces and objects: An ERP study of the Thatcher illusion

Boutsen, Luc; Humphreys, Glyn W.; Praamstra, Peter; Warbrick, Tracy

doi:10.1016/j.neuroimage.2006.03.023

Cited by 92 publications

(94 citation statements)

References 46 publications

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“…Previous studies have not shown consistent results on the lateralization of N170 for objects, which might have been caused by differences in materials. For example, Rossion et al (2003) found bilateral N170 for objects (cars), whereas some other studies reported right lateralization of N170 for objects (chairs and houses; Boutsen, Humphreys, Praamstra, & Warbrick, 2006;Itier, Latinus, & Taylor, 2006).…”

Section: Discussionmentioning

confidence: 91%

It's a word: Early electrophysiological response to the character likeness of pictographs

et al. 2010

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Using unfamiliar and meaningless pictographs that varied in their degree of similarity to Chinese characters, the current study tested whether the early electrophysiological response was modulated by character likeness. We measured P100 and N170 while 20 native Chinese speakers were viewing Chinese characters, drawings of objects, and pictographs. Comparisons across the three categories of stimuli showed that pictographs elicited a smaller N170 amplitude than did Chinese characters and a stronger N170 amplitude than did objects, but did not differ in the P100 amplitude from the other two categories. Within the category of pictographs, stimuli with a higher degree of character likeness elicited larger N170 amplitudes and shorter N170 peak latencies, and this effect was again not observed in P100. These results suggest that N170 is sensitive to visual stimuli's character likeness even though they are unfamiliar pictographs with no meanings or sounds.

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Section: Discussionmentioning

confidence: 91%

It's a word: Early electrophysiological response to the character likeness of pictographs

et al. 2010

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“…These repetition suppression or adaptation effects are typically taken as evidence that the preceding stimulus and following stimulus activate a common neuronal representation at Inversion Enhanced amplitude and/or delayed latency [87,[99][100][101] Reduced amplitude [98] Delayed repetition effects [95] Contrast-reversal Enhanced amplitude [99] Repetition effects spread over longer time-window [95] Eye removal Similar amplitude for complete faces and faces with -eyes removed [86] No effects of inversion or contrast-reversal for faces -with eyes removed [103] Isolated eyes Similar or enhanced amplitude compared to intact faces [87] Holistic processing Shorter latency for repeated face halves in aligned faces [110] Longer latency for aligned compared to misaligned face halves [110] Less repetition suppression to aligned face stimuli for -half-identical or completely new faces compared to identical faces [111] Second-order relational processing Conflicting evidence on the effects of thatcherization on -processing of upright and inverted faces [114][115][116] Larger amplitude for configurally than featurally altered faces over the right hemisphere [117] Stimulus repetition Repetition suppression. Reduced amplitude for repetition Repetition enhancement.…”

Section: The Neurophysiology Of Face Processingmentioning

confidence: 99%

“…Regarding N170 involvement in second-order relational processing, some studies have recorded ERP responses to upright and inverted thatcherized faces in which eyes and mouth are rotated 180°[ [114][115][116] . These studies have provided conflicting results as to whether the thatcherization of faces increases or decreases N170 amplitude and whether these effects are restricted to upright versus inverted faces.…”

Section: The Neurophysiology Of Face Processingmentioning

confidence: 99%

The early development of face processing — What makes faces special?

Hoehl

Peykarjou

2012

Neurosci. Bull.

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Abstract:In the present article we review behavioral and neurophysiological studies on face processing in adults and in early development. From the existing empirical and theoretical literature we derive three aspects that distinguish face processing from the processing of other visual object categories. Each of these aspects is discussed from a developmental perspective. First, faces are recognized and represented at the individual level rather than at the basic level. Second, humans typically acquire extensive expertise in individuating faces from early on in development. And third, more than other objects, faces are processed holistically. There is a quantitative difference in the amount of visual experience for faces and other object categories in that the amount of expertise typically acquired for faces is greater than that for other object categories. In addition, we discuss possible qualitative differences in experience for faces and objects. For instance, there is evidence for a sensitive period in infancy for building up a holistic face representation and for perceptual narrowing for faces of one's own species and race. We conclude our literature review with questions for future research, for instance, regarding the exact relationship between behavioral and neuronal markers of face processing across development.

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“…1b. We also explored whether the earlier P1 component was modulated by sex typicality at occipito-temporal sites. Beyond its established role in low-level visuoperceptual processing, the P1 has recently been shown to play a role in global configural processing of the face, as its latency is modulated by configural transformations, such as face inversion [17]. If social category encoding runs parallel with the extraction of lower-level face information, as we argue, it is possible that the P1 may also be sensitive to sex typicality.…”

Section: Event-related Potential Datamentioning

confidence: 78%

“…[17]). That sex-category processing was reflected in the earlier right P1 as well, a component thought to play a role in global configural face encoding [17], provides further support for the notion that social category encoding is part of a temporally dynamic process, in which sex-category and lower-level face information would be extracted across time and in parallel [9][10][11], as described earlier.…”

Section: Discussionmentioning

confidence: 99%

Cognitive Neuroscience and Neuropsychology

Kay

Tasman

2006

Essentials of Psychiatry

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Prominent models of face perception posit that the encoding of social categories begins after initial structural encoding has completed. In contrast, we hypothesized that social category encoding may occur simultaneously with structural encoding. While event-related potentials were recorded, participants categorized the sex of sex-typical and sex-atypical faces. Results indicated that the face-sensitive right N170, a component involved in structural encoding, was larger for sex-typical relative to sex-atypical faces. Moreover, its amplitude predicted the efficiency of sex-category judgments. The right P1 component also peaked earlier for sex-typical faces. These findings show that social category encoding and the extraction of lower-level face information operate in parallel, suggesting that they may be accomplished by a single dynamic process rather than two separate mechanisms.

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Comparing neural correlates of configural processing in faces and objects: An ERP study of the Thatcher illusion

Cited by 92 publications

References 46 publications

It's a word: Early electrophysiological response to the character likeness of pictographs

It's a word: Early electrophysiological response to the character likeness of pictographs

The early development of face processing — What makes faces special?

Cognitive Neuroscience and Neuropsychology

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