REFERENCES
References
The information on this site is grounded in peer-reviewed research and international diagnostic criteria.
About the references listed here
These are the sources cited across this site, or that underpin our self-check (based on the PI20). Where a DOI link is available, it leads to an external site.
In addition to academic literature, we also publish results from our own original survey in our original survey report.
- Original research
Bodamer, J. (1947). Die Prosop-Agnosie. Archiv für Psychiatrie und Nervenkrankheiten, 179(1–2), 6–53.
The landmark paper that coined the term "prosopagnosia" (Prosop-Agnosie), describing three cases of acquired prosopagnosia.
- Original research
McConachie, H. R. (1976). Developmental prosopagnosia: A single case report. Cortex, 12(1), 76–82.
The first case report of developmental prosopagnosia, describing lifelong face-recognition difficulty with no history of brain injury.
- Cognitive model
Bruce, V., & Young, A. (1986). Understanding face recognition. British Journal of Psychology, 77(3), 305–327.
A foundational cognitive model showing that face recognition proceeds through multiple processing stages.
- Review
Behrmann, M., & Avidan, G. (2005). Congenital prosopagnosia: Face-blind from birth. Trends in Cognitive Sciences, 9(4), 180–187.
A review of the neurocognitive mechanisms behind congenital prosopagnosia, discussing FFA dysfunction and the role of the face-processing network.
- Scale development
Shah, P., Gaule, A., Sowden, S., Bird, G., & Cook, R. (2015). The 20-item prosopagnosia index (PI20): A self-report instrument for identifying developmental prosopagnosia. Royal Society Open Science, 2(6), 140343.
The paper introducing the PI20, the original instrument behind this site's self-check. Published under a CC BY license.
DOI link - Assessment research
Duchaine, B., & Nakayama, K. (2006). The Cambridge Face Memory Test: Results for neurologically intact individuals and an investigation of its validity using inverted face stimuli and prosopagnosic participants. Neuropsychologia, 44(4), 576–585.
A validity study of the CFMT, a widely used objective test of face memory ability.
DOI link - Assessment research
Duchaine, B., Germine, L., & Nakayama, K. (2007). Family resemblance: Ten family members with prosopagnosia and within-class object agnosia. Cognitive Neuropsychology, 24(4), 419–430.
A family study of developmental prosopagnosia that includes face-perception assessment using the CFPT.
DOI link - Assessment research
Duchaine, B. C., & Weidenfeld, A. (2003). An evaluation of two commonly used tests of unfamiliar face recognition. Neuropsychologia, 41(6), 713–720.
An evaluation of the limitations of long-standing unfamiliar-face recognition tests, including the BFRT.
DOI link - Original research
DeGutis, J., Wilmer, J., Mercado, R. J., & Cohan, S. (2013). Using regression to measure holistic face processing reveals a strong link with face recognition ability. Cognition, 126(1), 87–100.
A regression-based study examining the relationship between holistic face processing and face recognition ability.
- Review
DeGutis, J., Chatterjee, G., Mercado, R. J., & Nakayama, K. (2012). Face processing improvements in prosopagnosia: Successes and failures over the last 50 years. Frontiers in Human Neuroscience, 6, 348.
A review summarizing 50 years of intervention and treatment research for prosopagnosia.
- Original research
DeGutis, J., Cohan, S., & Nakayama, K. (2014). Holistic face training enhances face processing in developmental prosopagnosia. Brain, 137(6), 1781–1798.
An intervention study showing that holistic face training improves face-processing ability in people with developmental prosopagnosia.
- Epidemiological research
DeGutis, J., Mercado, R. J., Wilmer, J., & Rosenblatt, A. (2023). Prevalence of developmental prosopagnosia according to DSM-5 criteria in a large US sample. Cortex, 161, 163–176.
Estimates the prevalence of developmental prosopagnosia (about 3.08%) under DSM-5 criteria in a large sample. The source for the statistics used on this site.
DOI link - Review
Rossion, B. (2013). The composite face illusion: A whole window into our understanding of holistic face perception. Visual Cognition, 21(2), 139–253.
A comprehensive review of holistic face perception through the lens of the composite face illusion.
- Epidemiological research
Kennerknecht, I., Grueter, T., Welling, B., Wentzek, S., Horst, J., Edwards, S., & Grueter, M. (2006). First report of prevalence of non-syndromic hereditary prosopagnosia (HPA). American Journal of Medical Genetics Part A, 140(15), 1617–1622.
The first large-scale study of the prevalence of hereditary prosopagnosia.
- Genetics research
Sun, Y., Men, W., Kennerknecht, I., Fang, W., Zheng, H.-F., Zhang, W., & Rao, Y. (2024). Human genetics of face recognition: discovery of MCTP2 mutations in humans with face blindness (congenital prosopagnosia). Genetics, 227(2), iyae047.
A family study of congenital prosopagnosia reporting an association between MCTP2 mutations and face recognition difficulty.
DOI link - Diagnostic manual
American Psychiatric Association. (2013). Diagnostic and Statistical Manual of Mental Disorders (5th ed.). Arlington, VA: American Psychiatric Publishing.
The DSM-5, which contains the diagnostic criteria for prosopagnosia.
- Epidemiological research
Faraone, S. V., Banaschewski, T., Coghill, D., et al. (2021). The World Federation of ADHD International Consensus Statement: 208 Evidence-based conclusions about the disorder. Neuroscience & Biobehavioral Reviews, 128, 789–818.
The source for the adult ADHD prevalence figures (e.g., 6.76% for the symptomatic form) used for comparison on the home page. An international consensus statement from the World Federation of ADHD.
DOI link - Epidemiological research
Song, P., Zha, M., Yang, Q., Zhang, Y., Li, X., & Rudan, I. (2021). The prevalence of adult attention-deficit hyperactivity disorder: A global systematic review and meta-analysis. Journal of Global Health, 11, 04009.
The meta-analysis behind the persistent adult ADHD prevalence figure (2.58%) used on the home page.
DOI link
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