Key result
Extracellular neural recordings in rats demonstrated reciprocal interinsular antidromic and orthodromic activation with a median onset latency of 18 ms and conduction velocity of 0.6 m/s.
Population
34 urethane anesthetized male Sprague-Dawley rats
Design
Preclinical
Authors
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Does not alter clinical practice; leaves open interhemispheric insular contributions to human cardiovascular regulation.
This preclinical study provides electrophysiological evidence of reciprocal transcallosal connectivity between the right and left posterior insular cortex in rats, suggesting interhemispheric communication for cardiovascular regulation.
Zhang et al. (2000) studied this question. Extracellular neural recordings and insular stimulation was evaluated on Reciprocal interinsular antidromic and orthodromic activation. Extracellular neural recordings in rats demonstrated reciprocal interinsular antidromic and orthodromic activation with a median onset latency of 18 ms and conduction velocity of 0.6 m/s.
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