Abstract #0074
Development of visual cortex in infants
Laura Biagi 1 , Sofia Allegra Crespi 2,3 , Michela Tosetti 1 , and Maria Concetta Morrone 1,4
1
IRCCS Stella Maris Foundation, Calambrone,
Pisa, Italy,
2
Department
of Psychology, Vita-Salute San Raffaele University,
Milan, Italy,
3
CERMAC
and Neuroradiology Unit, San Raffaele Hospital, Milan,
Italy,
4
Department
of Translational Research on New Technologies in
Medicine and Surgery, University of Pisa, Pisa, Italy
There is little information about the developmental
timelines of the cortical areas comprising the neural
network that analyses visual motion. We measured at 1.5T
cortical bold response in 11 full-term awake 7-weeks-old
infants, contrasting coherent flow motion to blank or
random noise. Areas MT and V6 respond well to motion at
7 weeks. Correlation analysis suggests weak connectivity
between V1 and MT in young infants, but a stronger
functional connectivity between the cuneus/MT and V6.
The fast development and immature connectivity between
V1 and MT points to a possible alternative
V1-independent input to MT.
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