Abstract #3071
Brain Activity in Ateles geoffroyi: Resting-state fMRI of working memory in medial prefrontal cortex.
Diana Platas 1,2 , Benito de Celis Alonso 3 , Silvia Hidalgo Tobn 4,5 , Fernando Chico 4 , Jairo Muoz-Delgado 6 , and Kimberley Phillips 2
1
Universidad Nacional Autnoma de Mxico,
Mexico DF, Mexico DF, Mexico,
2
Trinity
University, Texas, United States,
3
Faculty
of Physics and Mathematics, BUAP, Puebla, Mexico,
4
Hospital
Infantil de Mexico, Federico Gmez, Mexico DF, Mexico,
5
Universidad
Autnoma Metropolitana, Campus Iztapalpa, Mexico DF,
Mexico,
6
Instituto
Nacional de Psiquiatra Ramn de la Fuente Muiz, Mexico
DF, Mexico
Resting state functional images (RsfMRI) measured in
absence of a task, aim at detecting low frequency
fluctuations (LFFs, less than 0.1 Hz) in the Blood
Oxygen Level Dependent (BOLD) signals [1]. Functional
connectivity is defined for these studies as the
temporal correlations between different brain regions
[2,3]. Functional communication between brain regions
plays a fundamental role in cognitive processes. Here we
have used resting-state areas of the brain to examine
intrinsic connectivity networks in a seldom-used primate
species, the spider monkey (Ateles geoffroyi). Human
working memory has been intensively studied but little
is known about its evolution. Comparison of connectivity
maps in spider monkeys is an initial stage to approach
working memory evolution in primates, and thus closes
the gap between RsfMRI and cognitive data.
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