ASCENDING RETICULAR ACTIVATING SYSTEM (ARAS)

refers to the pathways that transmit nervous impulses from the reticular formation of the midbrain in an ascending manner through the thalamus, and then to all parts of the cerebral cortex.

ASCENDING RETICULAR ACTIVATING SYSTEM (ARAS): "The ascending reticular activating system transmits nerve impulses to the thalamus and then to different parts of the cerebral cortex."
Cite this page: N., Pam M.S., "ASCENDING RETICULAR ACTIVATING SYSTEM (ARAS)," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/ascending-reticular-activating-system-aras/ (accessed October 12, 2019).
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