ASSOCIATION FIBER By N., Pam M.S. - April 7, 2013 a nerve fiber that transmits electrically charged impulses between different structures of the same cerebral hemisphere. Compare with commissural fiber. ASSOCIATION FIBER: "An association fiber helps the brain transmit information quickly between different areas of the same hemisphere." Related Psychology Terms B FIBER PROJECTION FIBER RIGHT-HEMISPHERE CONSCIOUSNESS EFFERENT NERVE FIBER VOLLEY THEORY AFFERENT NERVE FIBER U FIBER UNILATERAL LESION GENICULATE NUCLEUS OLFACTORY BULB Cite this page: N., Pam M.S., "ASSOCIATION FIBER," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/association-fiber/ (accessed September 27, 2020).