Related Experiment Video
Updated: Feb 28, 2026
08:31
Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
Published on: July 31, 2016
14.6K
Impaired body perception in developmental prosopagnosia
Federica Biotti1, Katie L H Gray2, Richard Cook1
1Department of Psychology, City, University of London, London, UK.
Summary
Developmental prosopagnosia (DP) affects face recognition. This study found that individuals with DP also struggle with body perception and sometimes car recognition, indicating broader visual processing challenges.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Developmental Disorders
Background:
- Developmental prosopagnosia (DP) is a lifelong neurodevelopmental disorder characterized by difficulties in face recognition.
- While often presenting as face-specific deficits, DP is heterogeneous, with some individuals showing broader object recognition impairments.
- Parallels exist between face and body perception, including shared neural processing and holistic analysis, suggesting potential co-occurring deficits.
Purpose of the Study:
- To investigate body perception in individuals with developmental prosopagnosia (DP).
- To determine if body perception deficits in DP co-vary with broader object recognition impairments.
- To compare face, body, and car perception abilities in a group of DPs and controls.
Main Methods:
- A delayed match-to-sample task was employed to assess perceptual abilities.
- The study included a sizeable group of individuals with DP and age-matched controls.
- Participants' abilities in matching faces, bodies, and cars were evaluated.
Main Results:
- The DP group, as a whole, demonstrated impaired body matching accuracy compared to controls.
- Several individuals within the DP sample exhibited deficits in body perception at the single-case level.
- Consistent with prior research, some DPs also showed difficulties in recognizing cars, indicating wider object recognition deficits.
Conclusions:
- Individuals with developmental prosopagnosia may experience co-occurring deficits in body perception.
- These findings support the notion that DP can involve broader visual processing impairments beyond just faces.
- The heterogeneity of DP is further highlighted, with some individuals showing deficits across multiple object categories.
Related Concept Videos
01:24Prosopagnosia
991
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
991
01:12Visual Agnosia
1.4K
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
1.4K
01:33Somatosensation
44.0K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
44.0K
01:29Dark Triad and Person Perception
343
Person perception is influenced by both external behaviors and the observer’s internal characteristics, including personality traits. Individuals with dark personality traits, comprising psychopathy, Machiavellianism, and narcissism — collectively known as the dark triad – exhibit manipulative and exploitative tendencies in social contexts. These traits affect how they perceive others and how they are perceived.The Role of Dark Personality Traits in Person PerceptionBlack et...
343
01:03Olfactory Receptors: Location and Structure
12.4K
The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
12.4K
01:22Photoreceptors and Visual Pathways
9.8K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
9.8K