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Prosopagnosia

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by

Mary Healy

on 25 September 2013

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Transcript of Prosopagnosia

Prosopagnosia

Prosopagnosia
the inability to recognize faces
Facial Recognition
Theories
Life with Face Blindness
Cannot identify family, friends, or self
Identify people by
Voice
Hairstyle (can be problematic)
Walk/Gait
Dislike movies/TV
Elevated anxiety
Relationships severely affected
Face Blindness
By: Mary Kate Healy
How We Recognize
Unique system for face processing
Process holistically
Fusiform Face Area
is
ACQUIRED
DEVELOPMENTAL
Head Trauma
Stroke
Degenerative Diseases
Genetic Prosopagnosia
Pre-experiential Prosopagnosia
Post-experiential Prospagnosia
SUPER-RECOGNIZERS
Can identify the parts, but not the whole
Questions to be Answered
What is the full facial recognition process?
What process or region is impaired in those with Posopagnosia?
Genetically based? Which genes?
Is there any hope for improvement of facial recognition?
Gender
Age
References
Atkinson, A., & Adolphs, R. (2011). The neuropsychology of face perception: Beyond simple dissociations and functional selectivity. Philosophical Transactions of the Royal Society, 366(1571), 1726-1738. Retrieved from PubMed database.
CBSNewsOnline. (2012, March 18). Face blindness, part 1. Retrieved from
CBSNewsOnline. (2012, March 18). Face blindness, part 2. Retrieved from
Dalrymple, K., Corrow, S., Yonas, A., & Duchaine, B. (2012). Developmental prosopagnosia in childhood. Cognitive Neuropsychology, 29(5-6). Retrieved from PubMed database.
Dobel C, Bölte J, Aicher M, Schweinberger S. Prosopagnosia without apparent cause: Overview and diagnosis of six cases. Cortex: A Journal Devoted To The Study Of The Nervous System And Behavior [serial online]. 2007;43(6):718-733. Available from: PsycINFO, Ipswich, MA. Accessed September 24, 2013.
Research. (2008). Retrieved from Prosopagnosia research centers website: https://www.faceblind.org/research/
Susilo, T., Yovel, G., Barton, J., & Duchaine, B. (2013). Face perception is category-specific: Evidence from normal body perception in acquired prosopagnosia. Cognition, 129(1), 88-94. Retrieved from PubMed database.
Tirta Susilo, Bradley Duchaine, Advances in developmental prosopagnosia research, Current Opinion in Neurobiology, Volume 23, Issue 3, June 2013, Pages 423-429, ISSN 0959-4388, http://dx.doi.org/10.1016/j.conb.2012.12.011.(http://www.sciencedirect.com/science/article/pii/S0959438813000159)
Van den Stock, J. J., Vandenbulcke, M. M., Zhu, Q. Q., Hadjikhani, N. N., & de Gelder, B. B. (2012). Developmental prosopagnosia in a patient with hypoplasia of the vermis cerebelli. Neurology, 78(21), 1700-1702. doi:10.1212/WNL.0b013e3182575130

Structural/Functional
fMRI
FFA present- less active/selective
Fewer voxeles/less grey matter
Neural Connections
What Causes Prosopagnosia?
Related to Dyslexia?
Similar reduction in gray matter
Deficits caused by neural migration patterns
Occipital/Temporal regions
Impairment in the holistic face process
Treatment
MZ case study
Learn to judge distances of facial features
Short-term results
Full transcript