Priming summation in the cerebral hemispheres: evidence from semantically convergent and semantically divergent primes

Neuropsychologia
M Faust, Allon Kahana

Abstract

The ability to activate and to maintain a large and relatively undifferentiated semantic field has been thought to be an important component of lexical semantic processing by the right hemisphere (RH). An implication of this unique propensity of the RH was examined in the present study that included two divided visual field priming experiments with SOAs of 800 and 2500 ms. The experiments investigated the ability of the RH and the left hemisphere (LH) to summate activation from multiple primes followed by a laterally presented ambiguous target word. The priming words either converged onto the same semantic representation (i.e. all three words related to either the dominant or to the subordinate meaning of the target) or diverged onto distinct semantic representations (i.e. two words related to the dominant and one to the subordinate meaning of the target, or vice versa). Results indicated that for either an 800 or 2500 ms stimulus onset asynchrony (SOA) the LH benefited most from three semantically convergent primes that converged onto the dominant meaning of the ambiguous target word. There was no facilitation when three subordinate primes preceded the target. When the primes diverged onto different meanings, there was signifi...Continue Reading

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Citations

Oct 17, 2003·Brain Research. Cognitive Brain Research·Miriam Faust, Michal Lavidor
Sep 15, 2012·Laterality·Rinat GoldElisheva Ben-Artzi
Jun 1, 2010·Cognitive Neuroscience·Sandra Virtue, Jennifer Czarlinski
May 1, 2010·Journal of Cognitive Neuroscience·Frédéric LavigneNelly Darmon
Mar 23, 2011·International Journal of Hypertension·Charles FaselisVasilios Papademetriou
Apr 20, 2012·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Yael Peretz, Michal Lavidor
May 28, 2013·NeuroImage·Yuval HarpazAbraham Goldstein
Jan 27, 2009·NeuroImage·Klaus Hoenig, Lukas Scheef
Jan 18, 2011·Neuropsychologia·Ruth Ann AtchleyLinzi Gibson
Mar 3, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Yuval HarpazMichal Lavidor
Jul 30, 2014·Frontiers in Human Neuroscience·Miriam Faust, Yoed N Kenett
Nov 29, 2016·Cognitive Neurodynamics·Frédéric LavigneSylvie Mellet

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