Selectivity for mid-level properties of faces and places in the fusiform face area and parahippocampal place area.
Eur J Neurosci
; 49(12): 1587-1596, 2019 06.
Article
en En
| MEDLINE
| ID: mdl-30589482
Regions in the ventral visual pathway, such as the fusiform face area (FFA) and parahippocampal place area (PPA) are selective for images from specific object categories. Yet images from different object categories differ in their image properties. To investigate how these image properties are represented in the FFA and PPA, we compared neural responses to locally-SCRAMBLED images (in which mid-level, spatial properties are preserved) and globally-SCRAMBLED images (in which mid-level, spatial properties are not preserved). There was a greater response in the FFA and PPA to images from the preferred CATEGORY relative to their non-preferred category for the scrambled conditions. However, there was a greater selectivity for locally-scrambled compared to globally-scrambled images. Next, we compared the magnitude of fMR-adaptation to intact and scrambled images. fMR-adaptation was evident to locally-scrambled images from the preferred category. However, there was no adaptation to globally-scrambled images from the preferred category. These results show that the selectivity to faces and places in the FFA and PPA is dependent on mid-level properties of the image that are preserved by local-scrambling.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Percepción Espacial
/
Lóbulo Temporal
/
Giro Parahipocampal
/
Reconocimiento Facial
Límite:
Adolescent
/
Adult
/
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Revista:
Eur J Neurosci
Asunto de la revista:
NEUROLOGIA
Año:
2019
Tipo del documento:
Article
Pais de publicación:
Francia