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Published on: August 30, 2017
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Evidence for normal novel object recognition abilities in developmental prosopagnosia
Regan Fry1,2, Jeremy Wilmer3, Isabella Xie4,5
1Boston Attention and Learning Laboratory, VA Boston Healthcare System, Boston, MA, USA.
Royal Society Open Science
|October 13, 2020
Summary
Developmental prosopagnosia (DP) does not impair novel object recognition. This study found that individuals with severe face recognition deficits performed normally on a novel object memory test, suggesting object recognition capacity is intact.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Visual Perception
Background:
- Developmental prosopagnosia (DP) is characterized by face recognition deficits.
- Debate exists regarding whether DP affects general object recognition.
- Previous studies used familiar objects, potentially confounding results with expertise.
Purpose of the Study:
- To investigate face specificity in developmental prosopagnosia.
- To assess object recognition abilities in DPs using novel objects.
- To determine if DPs have unimpaired novel object recognition capacity.
Main Methods:
- Tested 30 DPs and 30 controls on a novel object memory test (NOMT).
- Administered the Cambridge Face Memory Test (CFMT) to assess face recognition.
- Compared DPs' NOMT performance to 274 web-based controls.
Main Results:
- DPs with severe CFMT impairment showed no differences in accuracy or reaction time on the NOMT compared to controls.
- Individual analyses confirmed no difference in object recognition impairment rates between DPs and control groups.
- Results indicate unimpaired recognition of novel objects in DPs.
Conclusions:
- Novel object recognition is not impaired in individuals with developmental prosopagnosia.
- DPs demonstrate intact broader novel object recognition capacity.
- Face recognition deficits in DP are specific and do not reflect general visual object recognition impairment.
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