It would be interesting to study the development of these networks in situations of atypical development of social cognitive processes, as encountered in autism spectrum disorders. Indeed, from childhood to adulthood a non-linear decrease in gray matter volume and a linear increase in white matter volume in the frontal and parietal cortices occur Sowell et al. Abstract It is becoming increasingly clear that attention-demanding tasks engage not only activation of specific cortical regions but also deactivation of other regions that could interfere with the task at hand. Recruitment of both the mirror and the mentalizing networks when observing social interactions depicted by point-lights: This decrease would be mostly explained by synaptic pruning Blakemore and Choudhury, ; Stiles and Jernigan, , even though other mechanisms might occur such as changes in glial architecture Gogtay and Thompson, The 3 participants in the study P1, P2, and P3 were women, right-handed, native French speakers and aged 25, 39, and 26 years. The analysis using age as covariate revealed almost the same regions as the in-between group analysis Supplementary SI
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Kahane; Silence Is Golden: This region is involved in a wide range of process, but interestingly it shows increased activity in tasks involving first-person perspective taking related to the experience of agency Cavanna and Trimble, The neural system that bridges reward and cognition in humans: Interestingly, while an increased activity was found in the caudate nucleus both in adults and adolescents during the social scenes, children did not show any greater activation.
Oxford University Press is a department of the University of Oxford. Current Opinion in Neurobiology18— How does Europe PMC derive its citations network?
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A mechanism for cognitive dynamics: What would happen if 2 words were presented in rapid succession? Social Cognitive and Affective Neuroscience10— The approval was obtained from the local ethics committee South Mediterranean 1 Committee for vide Protection of Persons.
Slice time processing corrected r69000 in image acquisition time between slices, with a halfway acquired slice used as reference. Despite the late maturation of the STS Gogtay and Thompson,this region was recruited in the three hiq- during the analysis of human motion showing SI. The caudate nucleus is a region classically involved in motor processing, but it is also central to more cognitive functions. CitePeer Related Articles http: Enhanced gamma-band synchronization has been proposed as a mechanism facilitating communication between neighboring neurons participating in the formation of transient neural networks Fries and mediating the influence of a given local neural population on distant cortical regions Varela et al.
No feedback on responses was provided. In previous studies, it was reported that the posterior part of the superior temporal sulcus pSTS was commonly activated in response to human motion perception in point-light studies Bonda et al.
Deciphering human motion to discriminate social interactions: a developmental neuroimaging study
They were never presented moving face-to-face in the NM scenes in order to rule out the possibility that their actions might be mistakenly perceived as SIs. Naturalistic FMRI mapping reveals superior temporal sulcus as the hub for the distributed brain network for social perception.
The functional and anatomical volumes were then normalized into the standard space of the Montreal Neurological Institute, using the anatomical volume as source image, before being smoothed with a mm Gaussian kernel.
Brain regions specific to adults The precuneus was more activated in adults than in adolescents.
The fact that the deactivation also occurred in response to nonsemantic material, the consonant strings, may suggest that it was not specific of the task; however, this control task involved mental counting and therefore inner speech. Changes in cerebral functional organization during cognitive development.
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Human body perception would be already developed in newborns Filippetti et al. All 3 were candidates for surgery for their drug-resistant partial epilepsy. The maturation processes embrace both structural and functional changes during late adolescence and early adulthood see Cao et al. An additional question, which could not be answered here, is whether the VLPFC gamma suppression f96000 necessary for words to be processed.
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Indeed, the increased activation in regions of the social brain or mirror neurons in the older groups might be due to the hiq that they were grasping the complete meaning of the SI. What we know currently about mirror neurons. Consistently with previous findings Centelles et al. These event-related TIDs extended over the course of seconds and could not be associated with precisely timed processes because of the limited time resolution of fMRI.
In contrast, these regions may not have shown increased activation in the children either because some SIs were not videeo of their motor repertoire yet or because their mirror system was less refined. Spatiotemporal patterns of beta desynchronization and gamma synchronization in corticographic data during self-paced movement. The development of the social brain in human infancy. The stimuli were chosen to be easy to categorize as the recognition accuracy should not differ much between the three groups in order to be comparable in terms of social recognition level, hence enabling the comparison of brain activity.