Left hand advantage in a self-face recognition task

Keenan, Julian Paul; McCutcheon, Bruce; Freund, Stefanie; Gallup, Gordon G.; Sanders, Glenn S.; Pascual‐Leone, Álvaro

doi:10.1016/s0028-3932(99)00025-1

Cited by 177 publications

(145 citation statements)

References 13 publications

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“…First, the study would have profited from taking response hand into consideration. Selfinformation has been found to result in faster responding with the left than right hand in healthy participants (Keenan et al, 1999;Platek & Gallup, 2002;Platek, Myers, Critton, & Gallup, 2003), pointing to a right hemisphere advantage for self-information. High schizotypal individuals, however, did not reveal this lefthand advantage (Platek & Gallup, 2002;Platek et al, 2003).…”

Section: Discussionmentioning

confidence: 94%

Perceptual aberrations impair mental own-body transformations.

Möhr

Blanke

Brugger

2006

Behavioral Neuroscience

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Dysfunctional self and bodily processing have been reported from the schizophrenia spectrum. Here, the authors tested 72 students (40 women) to determine whether performance in a mental own-body transformation task relates to self-rated frequency of spontaneously experienced schizotypal body schema alterations (perceptual aberration). Participants provided speeded left-right decisions concerning the body of a visually depicted human figure (front view vs. back view). For men, reaction times to disembodied perspectives increased with increasing scores on a validated perceptual aberration scale. This finding constitutes behavioral evidence for the clinically postulated association between aberrant bodily experiences during everyday life and aberrant processing in a mental own-body transformation task arguably reflecting mild dysfunction at the temporo-parietal junction.

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Section: Discussionmentioning

confidence: 94%

Perceptual aberrations impair mental own-body transformations.

Möhr

Blanke

Brugger

2006

Behavioral Neuroscience

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“…All the participants chose to answer with the right hand. This strategy was accepted because it has been shown that there is a left hand advantage in behavioural data during self-recognition task (Keenan et al 1999) and we were concerned not to bias behavioural results towards one condition. Moreover, since participants were scanned during one single session, it was not possible to counter-balance hands within participants across sessions.…”

Section: Methodsmentioning

confidence: 99%

Mental Imagery for Full and Upper Human Bodies: Common Right Hemisphere Activations and Distinct Extrastriate Activations

et al. 2010

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The processing of human bodies is important in social life and for the recognition of another person's actions, moods, and intentions. Recent neuroimaging studies on mental imagery of human body parts suggest that the left hemisphere is dominant in body processing. However, studies on mental imagery of full human bodies reported stronger right hemisphere or bilateral activations. Here, we measured functional magnetic resonance imaging during mental imagery of bilateral partial (upper) and full bodies. Results show that, independently of whether a full or upper body is processed, the right hemisphere (temporoparietal cortex, anterior parietal cortex, premotor cortex, bilateral superior parietal cortex) is mainly involved in mental imagery of full or partial human bodies. However, distinct activations were found in extrastriate cortex for partial bodies (right fusiform face area) and full bodies (left extrastriate body area). We propose that a common brain network, mainly on the right side, is involved in the mental imagery of human bodies, while two distinct brain areas in extrastriate cortex code for mental imagery of full and upper bodies.

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“…The subjects' task was to indicate as quickly as possible which face it was by pressing one of three buttons with their right hand in one condition and left in another (resulting in six conditions-three types of faces times two hands). Results indicated a significant reaction time advantage for the self faces when subjects pressed the button with their left hand, which (2000); Keenan et al (1999Keenan et al ( , 2000Keenan et al ( , 2001Keenan et al ( , 2003; Kircher et al (2000Kircher et al ( , 2001; Turk et al Functional uniqueness/ independence Reed & Farah (1995) Self-reference effect (various authors); Klein et al (2002) De Renzi et al (1987); Hodges & McCarthy (1993) Species specificity Gallup (1970Gallup ( , 1979; Suarez & Gallup (1981) is primarily controlled by the right hemisphere-that is, their reaction times for this condition were significantly faster than their reaction times in any of the other five conditions. In another study, subjects were shown morphed images of their own face and the face of a famous person (Keenan et al, 2000), similar to the design used in Keenan et al's (2003) patient study.…”

Section: Face Recognitionmentioning

confidence: 98%

“…Supramarginal gyrus, superior parietal lobule, precuneus Keenan et al (1999) Hand difference in reaction time for self-face recognition Unspecified right hemisphere Keenan et al (2000) Hand difference in reaction time for self-face recognition Unspecified right hemisphere Keenan et al (2001) Hemispheric difference in self-face recognition Unspecified right hemisphere Platek & Gallup (2002) Hand difference in reaction time for self-face recognition Unspecified right hemisphere Turk et al (2002) Hemispheric difference in self-face recognition in split-brain patient Unspecified left hemisphere Kircher et al (2000Kircher et al ( , 2001 Greater activation for self vs. partner face recognition representations used to discriminate own and other bodies (be these representations separate or integral) are precise. Within clinical neurology, there are many disorders of bodily sensation, action, and awareness (see Goldenberg, 2003, for a review), the most relevant being autotopagnosia and asomatognosia.…”

Section: Anterior Cingulate Gyrus Fusiform Gyrusmentioning

confidence: 99%

Is Self Special? A Critical Review of Evidence From Experimental Psychology and Cognitive Neuroscience.

Gillihan¹,

Farah²

2005

Psychological Bulletin

398

304

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Varied research findings have been taken to support the claim that humans' representation of the self is "special," that is, that it emerges from systems that are physically and functionally distinct from those used for more general purpose cognitive processing. The authors evaluate this claim by reviewing the relevant literatures and addressing the criteria for considering a system special, the various operationalizations of self, and how the studies' findings relate to the conclusions drawn. The authors conclude that many of the claims for the special status of self-related processing are premature given the evidence and that the various self-related research programs do not seem to be illuminating a unitary, common system, despite individuals' subjective experience of a unified self.A basic goal of information-processing psychology is to characterize the computational architecture of the mind, that is, to delineate the components of the information-processing system and describe their functions. Within this common framework, theories differ according to how many distinct components are posited and how specialized their functions are. In the case of some kinds of human information processing, claims of extreme specialization have been made. Language, for example, is often said to be a product of systems that are physically and functionally distinct from those used for more general-purpose cognitive processing-in other words, language has been claimed to be special. Evidence for the claim that language is special includes its reliance on a network of perisylvian brain areas that are not needed for nonlinguistic sound recognition or vocalization and its species specificity. Face recognition is also considered special by many because it relies on parts of ventral visual cortex that are not needed for visual recognition of nonface objects and because face representation is more holistic than the representation of other objects.

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Left hand advantage in a self-face recognition task

Cited by 177 publications

References 13 publications

Perceptual aberrations impair mental own-body transformations.

Perceptual aberrations impair mental own-body transformations.

Mental Imagery for Full and Upper Human Bodies: Common Right Hemisphere Activations and Distinct Extrastriate Activations

Is Self Special? A Critical Review of Evidence From Experimental Psychology and Cognitive Neuroscience.

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