Abstract #4410
Effects of Subconcussive Head Trauma on the Resting State Default Mode Network
Brian Johnson 1 , Semyon Slobounov 2 , and Thomas Neuberger 2
1
Penn State University, University Park, PA -
Pennsylvania, United States,
2
Penn
State University, PA, United States
Although less severe, subconcuussive impacts happen more
frequent and research suggests they may lead to
neurological impairment later in life. Here we
investigated the acute effects that subconcussive head
trauma may have on the default mode network of the brain
and whether or not this may be modulated by history of
previous concussion. 24 current collegiate rugby players
were recruited and underwent resting-state functional
magnetic resonance imaging. Scanning took place before
and after a full contact game. Increased connectivity
was seen between pregame and postgame scans. Even an
acute exposure to subconcussive impacts is enough to
alter brain functional connectivity.
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