Visual category-selectivity for faces, places and objects emerges along different developmental trajectories

Dev Sci. 2007 Jul;10(4):F15-30. doi: 10.1111/j.1467-7687.2007.00595.x.


The organization of category-selective regions in ventral visual cortex is well characterized in human adults. We investigated a crucial, previously unaddressed, question about how this organization emerges developmentally. We contrasted the developmental trajectories for face-, object-, and place-selective activation in the ventral visual cortex in children, adolescents, and adults. Although children demonstrated adult-like organization in object- and place-related cortex, as a group they failed to show consistent face-selective activation in classical face regions. The lack of a consistent neural signature for faces was attributable to (1) reduced face-selectivity and extent of activation within the regions that will become the FFA, OFA, and STS in adults, and (2) smaller volumes and considerable variability in the locus of face-selective activation in individual children. In contrast, adolescents showed an adult-like pattern of face-selective activation, although it was more right-lateralized. These findings reveal critical age-related differences in the emergence of category-specific functional organization in the visual cortex and support a model of brain development in which specialization emerges from interactions between experience-dependent learning and the maturing brain.

Publication types

  • Comparative Study
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Aging*
  • Brain Mapping*
  • Child
  • Child, Preschool
  • Critical Period, Psychological
  • Face
  • Female
  • Functional Laterality
  • Humans
  • Male
  • Pattern Recognition, Visual*
  • Photic Stimulation*
  • Visual Cortex / physiology*