Selective defects of face familiarity associated to a left temporo-occipital lesion

Guido Gainotti, Costanza Papagno, Edoardo Barvas, Marco Tettamanti

Risultato della ricerca: Contributo in rivistaArticolo in rivista

1 Citazioni (Scopus)

Abstract

Acquired prosopagnosia is usually a consequence of bilateral or right hemisphere lesions and is often associated with topographical disorientation and dyschromatopsia. Left temporo-occipital lesions sometimes result in a face recognition disorder but in a context of visual object agnosia with spared familiarity feelings for faces, usually in left-handers. We describe a patient with a left temporo-occipital hemorrhagic lesion unexpectedly resulting in a deficit of face familiarity, which could represent a mild form of associative prosopagnosia. Our patient failed to feel familiarity feelings even with very well-known famous faces but had neither visual object agnosia nor defects with semantics or naming of celebrities. This was confirmed even when the patient was re-tested a year later. We speculate that a graded lateralization of face processing could be at the basis of occasional cases of prosopagnosia.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
RivistaNeurological Sciences
Volume2020
DOI
Stato di pubblicazionePubblicato - 2020

Keywords

  • Acquired prosopagnosia
  • Face processing
  • Familiarity feeling
  • Hemispheric specialization

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