Adult face recognition is based on expert configural processing. We investigated this idea by comparing the prototype effect for face prototypes that emphasized either featural or configural processing. Holistic processing includes the ability to discriminate individual facial features i. Configural face processing develops more slowly than featural. A new stimulus set of 60 male face stimuli in seven indepth orientations was developed. Describing a face in words can either hinder or help subsequent face recognition. The pure holistic view of face recognition claims that faces are represented as. Features and their configuration in face recognition. Face recognition software goes public a website provides imageprocessing software for sorting through online photo albums. Alternatively, people with cp may have a highly facespecific impairment, in which case a weaker performance could be expected in configural and featural face processing alike, but not in processing configural or featural aspects of other objects. Combining face composites yields improvements in face likeness. Selectivity for the configural cues that identify the gender. Multivariate pattern analyses of the brain activity in the right ffa of patients with developmental prosopagnosia implicate impaired configural face processing zhang et al.
Holistic face processing can impair composite identification 1 holisitic face processing can inhibit recognition of forensic facial composites mcintyre, alex h. Task effects, performance levels, features, configurations. Pdf configural and featural processing during face. Featural and configurational processes in the recognition of. Configural and featural processing in humans with congenital prosopagnosia. In contrast, as noted above, face processing is known to be highly configural farah.
Configural face processing develops more slowly than. Introduction during the last few decades, face perception has emerged as a prevailing issue in social research. Because presenting faces upsidedown severely disrupts configural face processing but has little, or no detectable effect on featural face processing,,,,,,, these results show that accurate judgments of womens and mens sexual orientation were possible even when face processing was largely restricted to featural face. Some facial recognition software uses algorithms that analyze specific facial features, such as the relative position, size and shape of a persons nose, eyes, jaw and cheekbones. Neuroimaging studies, however, suggest that the ffa might mediate both featural and configural face processing yovel and kanwisher 2004. Previous research has shown that p1 is sensitive to configural face processing, but it is unclear whether any component is sensitive to featural face processing.
It has been suggested that face recognition is primarily based on configural information, with featural information playing little or no role. Spatial mechanisms within the dorsal visual pathway. Configural information is processed differently in. Configural and featural face processing influences on. Previous research links social difficulties to atypical face exploration in 22q11. Although the above studies stress the importance of configural information in face processing, they do not bear directly on the question of part and configural information in face recognition for several reasons. Configural and featural information in facialcomposite. Configural processing in turn seems to be a hallmark of face perception. Article accuracy of relational and featural information in. The roles of featural and configural face processing in snap. A new stimulus set of 60 maleface stimuli in seven indepth orientations was developed. Feature and configuration in face processing department of. The patients with schizophrenia showed disproportionately poorer performance in discriminating configural compared with featural face sets. In this study the perception of configural information was investigated.
Previous research suggests that face recognition may involve both configurational and piecemeal featural processing. Cfp develops later in life and plays an important role in face and emotion recognition abilities. Tamsyn e van rheenen, nicole joshua, david j castle, susan l rossell. We investigated the lateralized processing of featural and configural information in face recognition in two divided visual field studies. This is a very different manipulation that would not be expected to induce qualitative changes in task strategies for featural vs. Partbased and configural processing of owners face in dogs. Lincoln1 1 department of clinical psychology, california school of professional psychology of alliant international university, san diego. Temporal integration is the process by which temporally separated visual components are combined into a unified representation. Processing of featural and configural aspects of faces is. Atypical development of configural face recognition in children with autism, down syndrome and williams syndrome.
Facial recognition software is an application that can be used to automatically identify or verify individuals from video frame or digital images. Configural processing psychology university of southampton. Keywords face, viewpoint, effects, about, three, axes, role, configural, featural, processing. Face perception is an individuals understanding and interpretation of the face, particularly the human face, especially in relation to the associated information processing in the brain. Face perception is often described as a configural process, and it is possible that the processing of gender in faces is a configural process rather than a featural process because it appears that the eye in relation to the brow is effective information. Research has shown that people are able to judge sexual orientation from faces with abovechance accuracy, but little is known about how these judgments are formed. To explore the relationship between these processing modes, we examined the patterns of recognition impairment produced by blurring, inversion, and scrambling, both singly and in various combinations. The role of configural information in face recognition. The interaction between attention and face processing type configural vs. Configural processing refers to the processing of the overall layout of the face while featural. Inversion and blur in combination have been shown to render face recognition impossible as both featural and configural information cannot be processed 21,22. The set can be used in research on configural versus featural mechanisms of face processing.
Perception and recognition of faces presented upright are better than perception and recognition of faces presented inverted. Configural and featural information in facialcomposite images original citation frowd, charlie d. These were presented using superlab pro 2 research software using a toshiba. Configural information is processed differently in perception and recognition of faces. Independent influences of verbalization and race on the. In experiment 1, participants matched the identity of a cue face containing either featural scrambled faces or configural blurred faces information with an intact test face presented subsequently either in the right visual field rvf or in the left. Until then we have removed the registration on this forum. The effect of texture on face identification and 434 configural information processing in literature, there is a distinction made between three kinds of information that can be used in face recognition. Face recognition relies on both configural and featural processing. Holistic face processing can impair composite identification. Testing the roles of configural and featural face processing on the.
Most neuroimaging studies revealed a region in the. Here, we investigated the importance of wellestablished face processing mechanisms in such judgments. The effect of texture on face identification and configural. The proportions and expressions of the human face are important to identify origin, emotional tendencies, health qualities, and some social information. Here, we aimed to characterize the spatiotemporal dynamics. The roles of featural and configural face processing in. Face inversion is commonly known to disrupt the processing of configural information i. Two main cognitive strategies have been identified. Behavioral dissociations a number of behavioral studies suggest that basiclevel object recognition differs from face recognition. It is because adults tend to include paraphernalia as part of a face, which disrupts encoding of relevant holistic information. May 03, 2010 face perception is often described as a configural process, and it is possible that the processing of gender in faces is a configural process rather than a featural process because it appears that the eye in relation to the brow is effective information. However, whether these various otherrace effects ores arise from the same underlying mechanisms or. Author version submitted to law and human behaviour abstract.
Together, these findings show that unfamiliarface recognition is viewpointdependent following rotation about each axis and in each direction, and that performance is based on the availability of configural and, to a lesser extent, featural information. Lateralized processing of faces swiss journal of psychology. Configural and featural processing in humans with congenital. To determine the contribution of different face processing skills to this slow development, we altered a single face so as to create sets of faces designed to measure featural, configural, and contour processing. Neurophysiological correlates of featural and spacing processing. Jul 01, 20 facial recognition relies on distinct and parallel types of processing. Several previous studies have stressed the importance of processing configural information in face recognition. Facebooks facial recognition software is different from the fbis. Verbalization and the sra influenced face recognition. Double dissociation of configural and featural face. Large overestimations were found when the eyemouth distance and the intereye distance had to be estimated. Featural and configural face processing differentially modulate erp components. Configural, or holistic, changes are produced by changing the global form of the face, whereas featural, or partbased, changes are attained by altering the local.
Independent influences of verbalization and race on the configural and featural processing of faces. Mar, 2017 the peculiar ability of humans to recognize hundreds of faces at a glance has been attributed to face specific perceptual mechanisms known as holistic processing. Configural face processing, featural face processing, eyetracking, neurodevelopmental disorders, social difficulties background 22q11. Configural processing hypothesis and face inversion effect. Featural coding is typically defined as the processing of individual features in isolation. Featural and configurational processes in the recognition. The result suggests that the facerecognition deficit in schizophrenic patients is due to specific impairments in. At one extreme blur of up to 16 cycles per face, neither configurational processing nor featural processing are likely to be particularly affected and recognition is likely to be unimpaired. Configural face processing,featural face processing,eyetracking,neurodevelopmental disorders.
The purpose of this largescale project is to determine and quantify the nature of the processes involved in configural or face processing and to investigate how various aspects of face processing change with development. Evidence that inversion has a disproportionate effect on adults recognition of faces relative to other classes of objects eg yin 1969 has been taken as evidence that adults rely on configural processing for the identity of upright faces. Recent studies reported atypical development of cfp in several neurodevelopmental disorders. Configural processing hypothesis and faceinversion effect. The peculiar ability of humans to recognize hundreds of faces at a glance has been attributed to facespecific perceptual mechanisms known as holistic processing. May 11, 2016 first, the incongruent task difficulty issue between configural and featural face processing in our previous study was solved by designing a task that required the detection of stimuli the blurred images that are irrelevant to configural and featural face processing, such that configural and featural processing were examined in a more. Experimental research about configural and featural. Facebooks facial recognition software is different from. Pdf configural and featural processing during face perception. On the universality and cultural specificity of emotion recognition.
To determine the contribution of different faceprocessing skills to this slow development, we altered a single face so as to create sets of faces designed to measure featural, configural, and contour processing. Face recognition, holistic processing, and processing of configural and featural facial information are known to be influenced by face race, with better performance for own than otherrace faces. The result suggests that the face recognition deficit in schizophrenic patients is due to specific impairments in configural processing of faces. As opposed to inversion, blurring affects partbased more than configural processing, at least at intermediate levels of blurring. Pdf configural and featural processing in humans with.
Face perception is an individuals understanding and interpretation of the face, particularly the human face, especially in relation to the associated information processing in the brain the proportions and expressions of the human face are important to identify origin, emotional tendencies, health qualities, and some social information. The roles of featural and configurational processing na young shin, joon hwan jang and jun soo kwon seoul national university republic of korea 1. Double dissociation of configural and featural face processing on p1. Frontiers neurophysiological correlates of featural and. Face recognition memory and configural processing cerco. Configural information is processed differently in perception. Familiarity effects in the construction of facialcomposite images using modern software systems. Notably, this does not seem to affect face processing abilities in humans and macaques, while face processing by chimpanzees is impaired when individual features are blurred through pixilation.
Features, configuration, and holistic face processing. Configural and featural face processing influences on emotion recognition in schizophrenia and bipolar disorder. Holistic face processing has been assessed using different behavioral paradigms. Selectivity for the configural cues that identify the. In the present study, the authors investigated the characteristics and time boundaries of facial temporal integration. Although it leads to changes in both configural and feature information. Ds, also known as digeorge or velocardiofacial syndrome, is one of the most frequent microdeletions, with an incidence of approxi. Configural and featural processing during face perception.