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  • Title: Electrophysiological relationship between claustrum and contralateral area 4 and 6 pyramidal tract neurons.
    Author: Cortimiglia R, Crescimanno G, Salerno MT, Amato G, Infantellina F.
    Journal: Neurosci Lett; 1987 Feb 24; 74(2):193-8. PubMed ID: 3574758.
    Abstract:
    The connections between the claustrum and the contralateral motor areas were electrophysiologically investigated in cats under chloralose anesthesia. The extracellular unitary activity of 81 pyramidal tract neurons (PTNs) was recorded; 22 PTNs were inhibited by activation of the contralateral claustrum; inhibition was preceded by an early activation of 4 out of the 22 inhibited PTNs. Section of the corpus callosum abolished the contralateral claustrum effect, while the action of the ipsilateral homologous structure persisted.
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