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Spine synapses. Dendritic spine synapses were quantified from brain tissue obtained at necropsy at 4 years of age after completion of testing. A. Scatter plot of dendritic spine synapses in dorsolateral prefrontal cortex (DLPFC) as a function of age and treatment group. B. Correlation between sustained attention measure and DLPFC spine synapses. N=9 vehicle-treated and 8 fluoxetine-treated brains.
