Facial expression and gazedirection in human superior. The primary focus was the measurement of activity in the fusiform gyrus fg, which is located on the ventral surface of the temporal lobe, and in the superior temporal sulcus sts, which is located in the lateral aspect of the temporal lobe. Haxby department of psychology, center for the study of brain, mind, and behavior, princeton university, united states. The superior temporal sulcus sts is known to be involved in face and emotion perception, but the nature of its processing remains unknown. Recognition of facial expressions is critically impaired in autism. However, it remains unknown whether sts holds functionally segregated subdivisions for different. Compared to the fg, the functional roles of the psts and surrounding cortex facespeci. Crossmodal adaptation in right posterior superior temporal. Cohen, dilks, koldewyn, weigelt, feather, kell, keil, fischl, zollei, wald, saxe, nancy kanwisher. These studies revealed a facesensitive neuron located in the temporal sulcus. The fusiform gyrus is particularly implicated in face recognition. Bilateral superior temporal sulci have shown to be recruited for a wide range of pragmatic communicative tasks. It is the first groove that lies in an inferior position to the lateral fissure.
Role of the fusiform gyrus and superior temporal sulcus in face. The hierarchical brain network for face recognition. Mar 23, 2020 the superior temporal sulcus is found in the temporal lobe of the brain. However, few studies have characterized the face processing network as a functioning whole. Abstractin natural facetoface communication, speech perception utilizes both auditory and visual information. Tms demonstrates that both right and left superior. The role of the superior temporal sulcus in face recognition. Numerous functional magnetic resonance imaging fmri studies have identified multiple cortical regions that are involved in face processing in the human brain. Neuroimaging studies have identified a faceselective region in the right posterior superior temporal sulcus rpsts that responds more strongly. The role of superior temporal sulcus in the control of irrelevant emotional face processing.
Role of the fusiform gyrus and superior temporal sulcus in. Prior studies demonstrate that a faceresponsive region in the posterior superior temporal sulcus psts is involved in facial expression recognition. The superior occipital sulcus is a sulcus of the occipital lobe that separates the superior from the middle occipital gyri. Neural univariate activity and multivariate pattern in the. It is usually seen as a posterior continuation of the intraparietal sulcus. Superior occipital sulcus radiology reference article.
A anterior, p posterior, l left, r right, sts superior temporal sulcus, ios inferior occipital sulcus, lus lunate sulcus. Role of the fusiform gyrus and superior temporal sulcus in face perception. Several lines of evidence suggest that a localized area in the fusiform gyrus i. Experiencedependent coding of facial expression in superior temporal sulcus nicholas furl, nicola j. Another french study of 77 children with autism, showed loss of gray matter in the superior temporal sulcus in 21 cases, and pet scans showed decreased blood flow in the same region brunelle et. Figure 1 using the facsgen software developed in our center and used in previous. It separates the superior temporal gyrus from the middle temporal gyrus. Prior studies demonstrate that a face responsive region in the posterior superior temporal sulcus psts is involved in facial expression recognition. Evidence that its role extends beyond that of higherlevel perceptual processing was found as early as 1871 by. The superior temporal sulcus is the first sulcus inferior to the lateral fissure. The superior temporal sulcus runs longitudinally along the lateral surface of the temporal lobe, parallel to the sylvian fissure above and the inferior temporal sulcus below. Superior temporal gyrus stg is the site of auditory association cortex and a site of multisensory integration and thus necessarily plays some role in spoken word recognition.
Functional organization of face processing in the human superior. These studies confirmed that face recognition is carried out in different brain regions and helped reveal the underlying distributed network. In the current study we measured the vf response of the faceselective posterior superior temporal sulcus. Right or bilateral anterior temporal damage can impair face recognition, but whether this is an associative variant of. Role of the fusiform gyrus and superior temporal sulcus in face perception and recognition. It is a depression, or sulcus, that separates two of the temporal lobe structures.
Superior temporal gyrus and superior temporal sulcus. Video clips of an avatar performing a facial expression vizard virtual reality software. Autism, social cognition and superior temporal sulcus monica zilbovicius. However, the extent to which expression recognition is lat. Twenty younger adult participants were instructed to perform an oddball detection task and were presented with auditory. Part of a network of brain regions with the amygdala as well as the medial prefrontal cortex, the occipitofrontal cortex, and the superior temporal sulcus, which are involved in the processing of socially salient stimuli important for social behavior. B coronal sections through the brains of monkeys m1 and m2 with corresponding significant bold contrast from a. Neural univariate activity and multivariate pattern in the posterior superior temporal sulcus differentially encode facial expression and identity.
Pdf facial expression recognition takes longer in the. Facial expression recognition takes longer in the posterior superior temporal sulcus than in the occipital face area. Specific areas of the brain, including the occipital and temporal cortices e. We investigated the functional organization of sts with respect to modalityspecific and multimodal speech representations. This fissure is said to be involved in certain vital functions, like. Autism, social cognition and superior temporal sulcus. Its believed that the superior temporal sulcus is involved in recognizing motion, processing speech, responding to social cues, and also gaze recognition, or the ability to identify things through sight. More specifically, we found reduced activity in several classic face processing regions, including the fusiform face area, occipital face area, and superior temporal sulcus, when a face was preceded by a briefly flashed image of the same face, relative to a different face, even when 2 images of the same face differed. The contribution of the fusiform gyrus and superior temporal. However, the extent to which expression recognition is lateralised.
Superior temporal sulcus location, functions and pictures. Pdf autism, social cognition and superior temporal sulcus. Although this region can be identified in both hemispheres, studies more commonly report it in the right hemisphere. Ta the longitudinal sulcus that separates the superior and middle temporal gyri. Shape selectivity of middle superior temporal sulcus body. Their work laid the foundation for understanding the neural basis of face recognition. Superior temporal gyrus an overview sciencedirect topics. A causal role of the right superior temporal sulcus in emotion recognition from biological motion. However, whether multimodal integration in these regions is attributable to interleaved populations of unisensory neurons responding to face or voice or rather by multimodal. Functional organization of face processing in the human. The hierarchical brain network for face recognition plos. The human superior temporal sulcus sts is responsive to visual and auditory information, including sounds and facial cues during speech recognition. Brain functions involved in face perception and recognition. Neuropsychologia 45 2007 32343241 facial expression and gazedirection in human superior temporal sulcus andrew d.
A vast majority of the early neuropsychological work done involving the sts was conducted with nonhuman primates and singlecell recordings. The role of the superior temporal sulcus in face recognition and. The superior temporal sulcus sts encompasses a complex set of. Studies reveal multisensory processing capabilities. Sep 01, 2012 in latin, it is known as sulcus temporalis superior. Superior temporal sulcus radiology reference article. Superior temporal sulcus definition of superior temporal. Cognitive chapter 4 recognizing objects flashcards quizlet. Targeting dynamic facial processing mechanisms in superior. Superior temporal sulcus an overview sciencedirect topics. The temporal dynamics of face recognition are also highlighted, with components found as early as 110 ms, up to 600 ms. Dolan wellcome trust centre for neuroimaging, institute of neurology, university college london, 12 queen square, london wc1n 3bg, united kingdom. Underconnectivity of the superior temporal sulcus predicts. In subjects 009 and 010, lesion sites may also involve the right occipital face area.
A causal role of the right superior temporal sulcus in emotion. The psts is also routinely observed in fmri studies of face processing puce et al. Underconnectivity of the superior temporal sulcus predicts emotion recognition deficits in autism kaat alaerts, 1, 2 daniel g. Where facial attractiveness, a periorsocial signal that may emerge from invariant facial structure, is processed within this dualroute occipitotemporalmodel of face perception is uncertain. A transcranial direct current stimulation study linyuan tsenga,b,1, philip tsenga,c,1, weikuang lianga, daisy l. The researchers identified a subpopulation of neurons strongly selective to faces and facial features in the superior temporal sulcus sts of rhesus monkeys. The superior temporal sulcus sts is a major component of the human face perception network, implicated in processing dynamic changeable aspects of faces. Facial expression recognition takes longer in the posterior. Full text of disparate substrates for head gaze following. Human posterior superior temporal sulcus samples visual space. Representational similarity precedes category selectivity in the. Here, we used targeted fmri measurements of the sts to investigate whether its representations of facial expressions are categorical or noncategorical. Experiencedependent coding of facial expression in superior.
Tms demonstrates that both right and left superior temporal. May 14, 2014 the integration of emotional information from the face and voice of other persons is known to be mediated by a number of multisensory cerebral regions, such as the right posterior superior temporal sulcus psts. The last face processing area we will single out is the superior temporal sulcus sts. The superior temporal sulcus has been found to have a unique sensitivity to observable manifestations of movement understanding, which suggest that the superior temporal sulcus is heavily involved in the recognition of movements and gestures required for normal social information processing in humans. Woolley, 1 jean steyaert, 3 adriana di martino, 2 stephan p. The role of the superior temporal sulcus in face recognition and perception. Apr 23, 2008 second, the degree of face specificity for multisensory integration was far greater in the lateral belt cortex than in the core region of auditory cortex ghazanfar et al. We demonstrate the potential of mvpd in two different experiments, analyzing the statistical dependence between the posterior superior temporal sulcus psts during the recognition of faces and voices, and of the fusiform face area ffa during the recognition of faces. A causal role of the right superior temporal sulcus in. The role of superior temporal sulcus in the control of. Here we report an individual ms with acquired prosopagnosia who, despite bilateral damage to much of this network, demonstrates the ability to distinguish voices of several wellknown acquaintances.
Each of these brain regions subserves different aspects of social processing, and each has been implicated in autism. Here, we combined measurements of intrinsic functional connectivity ifc from restingstate functional magnetic resonance imaging fmri with taskbased fmri to explore whether altered activity andor ifc of the right posterior superior temporal sulcus psts mediates deficits in emotion recognition in asd. Spatio temporal dynamics of face recognition cerebral. Middle superior temporal sulcus body msb patch neurons showed similar stimulus selectivity for natural, shaded, and textured images compared with their silhouettes, suggesting that shape is an important determinant of msb responses. In this study, we used fmri to identify face selective regions in the entire brain and then explore the hierarchical structure of the face. The superior temporal sulcus sts is the sulcus separating the superior temporal gyrus from the middle temporal gyrus in the temporal lobe of the brain. However, the extent to which expression recognition is lateralised in psts. Aug, 2008 while conclusions cannot be definitive without functional imaging, the structural data suggest involvement of the right superior temporal sulcus in subject 011, and of the left superior temporal sulcus in subject 014. Auditory, visual and audiovisual speech processing streams in. Neuroimaging studies show that ventral faceselective regions. Interactions between the superior temporal sulcus and.
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