William A. Truitt coauthored an experimental identification of spinal neurons important for ejaculation in male rats. With Lique M. Coolen, he used a toxin targeted to a receptor-bearing lumbar neuron population. Removing these cells disrupted ejaculation while sparing other observed sexual behaviors.[ref]
The design goes beyond observing neurons active during a behavior: altering the population and measuring a selective behavioral loss tests its causal importance. The result supports a role in a spinal coordinating circuit, while leaving the circuit's other necessary components to be identified.
Portrait of William A. Truitt
. Identified Indiana University School of Medicine faculty portrait. Source. Articles by others on the same topic
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