Rapid categorization of natural face images in the infant right hemisphere

Heering, Adélaïde de; Rossion, Bruno

doi:10.7554/elife.06564

Cited by 162 publications

(222 citation statements)

References 51 publications

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“…10, 12, and 14) and scalp EEG (54), including studies performed with the same paradigm as used here (45,46). Most importantly, our results agree with the localization of brain damage in patients with acquired prosopagnosia, whose lesions are either bilateral or localized unilaterally in the right hemisphere (refs.…”

Section: Discussionsupporting

confidence: 82%

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A face-selective ventral occipito-temporal map of the human brain with intracerebral potentials

Jonas

Jacques²,

Liu‐Shuang³

et al. 2016

Proc. Natl. Acad. Sci. U.S.A.

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129

194

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Human neuroimaging studies have identified a network of distinct face-selective regions in the ventral occipito-temporal cortex (VOTC), with a right hemispheric dominance. To date, there is no evidence for this hemispheric and regional specialization with direct measures of brain activity. To address this gap in knowledge, we recorded local neurophysiological activity from 1,678 contact electrodes implanted in the VOTC of a large group of epileptic patients (n = 28). They were presented with natural images of objects at a rapid fixed rate (six images per second: 6 Hz), with faces interleaved as every fifth stimulus (i.e., 1.2 Hz). High signal-to-noise ratio face-selective responses were objectively (i.e., exactly at the face stimulation frequency) identified and quantified throughout the whole VOTC. Face-selective responses were widely distributed across the whole VOTC, but also spatially clustered in specific regions. Among these regions, the lateral section of the right middle fusiform gyrus showed the largest face-selective response by far, offering, to our knowledge, the first supporting evidence of two decades of neuroimaging observations with direct neural measures. In addition, three distinct regions with a high proportion of face-selective responses were disclosed in the right ventral anterior temporal lobe, a region that is undersampled in neuroimaging because of magnetic susceptibility artifacts. A high proportion of contacts responding only to faces (i.e., "face-exclusive" responses) were found in these regions, suggesting that they contain populations of neurons involved in dedicated face-processing functions. Overall, these observations provide a comprehensive mapping of visual category selectivity in the whole human VOTC with direct neural measures.face perception | intracerebral recordings | fast periodic visual stimulation | face selectivity | fusiform gyrus

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Section: Discussionsupporting

confidence: 82%

“…Using a paradigm recently validated in human adults (45) and infants (46), participants were shown sequences (70 s) of widely variable natural images of multiple object categories presented at a rapid periodic rate of six images per second (6 Hz). Images of faces were presented as every fifth image ( Fig.…”

Section: Significancementioning

confidence: 99%

A face-selective ventral occipito-temporal map of the human brain with intracerebral potentials

Jonas

Jacques²,

Liu‐Shuang³

et al. 2016

Proc. Natl. Acad. Sci. U.S.A.

Self Cite

129

194

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“…This hypothesis has been supported by studies showing that emergence of lateralization for not only visual word but also face processing coincides with the onset of reading ability (Dehaene et al, 2010;Dundas, Plaut, & Behrmann, 2013;Ossowski & Behrmann, 2015;Scherf, Behrmann, Humphreys, & Luna, 2007). However, there are also recent data that challenge this: A study using steady-state evoked potentials claims that 6-monthold infants already show right-lateralized face-selective responses (de Heering & Rossion, 2015). In terms of cognitive models of reading and face recognition, the current anatomic emphasis of the many-to-many hypothesis on the fusiform gyri probably focuses the competition between visual words and faces specifically at perceptual stages.…”

Section: Discussionmentioning

confidence: 90%

Word and text processing in developmental prosopagnosia

Rubino

Corrow

et al. 2016

Cognitive Neuropsychology

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The "many-to-many" hypothesis proposes that visual object processing is supported by distributed circuits that overlap for different object categories. For faces and words the hypothesis posits that both posterior fusiform regions contribute to both face and visual word perception and predicts that unilateral lesions impairing one will affect the other. However, studies testing this hypothesis have produced mixed results. We evaluated visual word processing in subjects with developmental prosopagnosia, a condition linked to right posterior fusiform abnormalities. Ten developmental prosopagnosic subjects performed a word-length effect task and a task evaluating the recognition of word content across variations in text style, and the recognition of style across variations in word content. All subjects had normal word-length effects. One had prolonged sorting time for word recognition in handwritten stimuli. These results suggest that the deficit in developmental prosopagnosia is unlikely to affect visual word processing, contrary to predictions of the many-to-many hypothesis.

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“…Expanding my studies on early emotional development, I suggest that the right hemisphere, which is dominant for the processing, expression, communication, and regulation of emotion, develops more slowly in male than in female infants. The infant right brain becomes dominant for the processing of visual–facial (de Heering & Rossion, ), auditory–prosodic (Grossmann, Oberecker, Koch, & Friederici, ), and tactile–gestural information (Montirosso, Borgatti, & Tronick, ), and although both sexes show the same sequence of posterior cortical to anterior cortical development, they do this at different maturational rates. In his classic study, D.C. Taylor () concluded, “Cerebral maturation would be more rapid in girls, as are physical and psychological development, so that boys would be at risk for a longer time ” [italics added] (p. 140).…”

Section: Sex Differences In Brain Maturation Early Appearance Of Socmentioning

confidence: 99%

All Our Sons: The Developmental Neurobiology and Neuroendocrinology of Boys at Risk

Schore

2017

Infant Mental Health Journal

104

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Why are boys at risk? To address this question, I use the perspective of regulation theory to offer a model of the deeper psychoneurobiological mechanisms that underlie the vulnerability of the developing male. The central thesis of this work dictates that significant gender differences are seen between male and female social and emotional functions in the earliest stages of development, and that these result from not only differences in sex hormones and social experiences but also in rates of male and female brain maturation, specifically in the early developing right brain. I present interdisciplinary research which indicates that the stress-regulating circuits of the male brain mature more slowly than those of the female in the prenatal, perinatal, and postnatal critical periods, and that this differential structural maturation is reflected in normal gender differences in right-brain attachment functions. Due to this maturational delay, developing males also are more vulnerable over a longer period of time to stressors in the social environment (attachment trauma) and toxins in the physical environment (endocrine disruptors) that negatively impact right-brain development. In terms of differences in gender-related psychopathology, I describe the early developmental neuroendocrinological and neurobiological mechanisms that are involved in the increased vulnerability of males to autism, early onset schizophrenia, attention deficit hyperactivity disorder, and conduct disorders as well as the epigenetic mechanisms that can account for the recent widespread increase of these disorders in U.S. culture. I also offer a clinical formulation of early assessments of boys at risk, discuss the impact of early childcare on male psychopathogenesis, and end with a neurobiological model of optimal adult male socioemotional functions.Keywords: gender, right brain, testosterone, endocrine disruptors, attachment, early assessment, regulation theory, child psychiatry, pediatrics, brain development, neuroendocrinology RESUMEN: ¿Por están los niños varones bajo riesgo? Para responder esta pregunta he usado la perspectiva de la teoría de regulación con el fin de ofrecer un modelo de los más profundos mecanismos siconeurobiológicos que subyacen bajo la vulnerabilidad del varón en desarrollo. La tesis central de este trabajo indica que significativas diferencias de género se ven entre las funciones sociales y emocionales de varones y hembras en las más tempranas etapas del desarrollo, y que las mismas resultan no sólo de diferencias en las hormonas sexuales y experiencias sociales sino también en el ritmo de maduración cerebral de varones y hembras, específicamente en el temprano desarrollo del lado derecho del cerebro. Presento investigación interdisciplinaria que indica que los circuitos de regulación del estrés del cerebro del varón maduran más lentamente que los de la hembra en los períodos críticos prenatal, perinatal y posnatal, y que esta maduración estructural diferencial se refleja en diferencias de género normales e...

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Rapid categorization of natural face images in the infant right hemisphere

Cited by 162 publications

References 51 publications

A face-selective ventral occipito-temporal map of the human brain with intracerebral potentials

A face-selective ventral occipito-temporal map of the human brain with intracerebral potentials

Word and text processing in developmental prosopagnosia

All Our Sons: The Developmental Neurobiology and Neuroendocrinology of Boys at Risk

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