Hemispheric functional asymmetries and sex effects in visual bistable perception

Brancucci, Alfredo; Ferracci, Sara; D’Anselmo, Anita; Manippa, Valerio

doi:10.1016/j.concog.2023.103551

Cited by 1 publication

(1 citation statement)

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“…However, when compared to right-handed men, left-handed men demonstrated a pronounced left-lateralization in the FFA. Another recent study [145], employing lateralized Rubin's vase-faces figures, revealed that when the figure is presented in the left visual field (and processed by the right hemisphere), face perception (over vase) is more prevalent in males than in females. This difference is likely attributed to the stronger (right) hemispheric dominance observed in males compared with females when decoding face stimuli [146].…”

Section: Discussionmentioning

confidence: 98%

The Neural Correlates of Developmental Prosopagnosia: Twenty-Five Years on

Manippa,

Palmisano,

Ventura

et al. 2023

Brain Sciences

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Faces play a crucial role in social interactions. Developmental prosopagnosia (DP) refers to the lifelong difficulty in recognizing faces despite the absence of obvious signs of brain lesions. In recent decades, the neural substrate of this condition has been extensively investigated. While early neuroimaging studies did not reveal significant functional and structural abnormalities in the brains of individuals with developmental prosopagnosia (DPs), recent evidence identifies abnormalities at multiple levels within DPs’ face-processing networks. The current work aims to provide an overview of the convergent and contrasting findings by examining twenty-five years of neuroimaging literature on the anatomo-functional correlates of DP. We included 55 original papers, including 63 studies that compared the brain structure (MRI) and activity (fMRI, EEG, MEG) of healthy control participants and DPs. Despite variations in methods, procedures, outcomes, sample selection, and study design, this scoping review suggests that morphological, functional, and electrophysiological features characterize DPs’ brains, primarily within the ventral visual stream. Particularly, the functional and anatomical connectivity between the Fusiform Face Area and the other face-sensitive regions seems strongly impaired. The cognitive and clinical implications as well as the limitations of these findings are discussed in light of the available knowledge and challenges in the context of DP.

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Section: Discussionmentioning

confidence: 98%