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Douglas Weldon, Hamilton College "Serotonergic Modulation of the Startle System" 4:00 p.m. Download the PDF annoucement here. Refreshments served at 3:45, 1st floor CNS foyer. Bring your mug. Reduce, Reuse, Recycle. Individuals with disabilities requiring accommodations should contact Nancy Pierce at 274-3161. We ask that requests for accommodations be made as soon as possible.
Neuroscientists have mapped out a system in the brain that mediates the mammalian response to surprising auditory stimuli. Other brain areas modulate this system, either by increasing its sensitivity (as in conditions that produce fear) or by decreasing its sensitivity (e.g., when a soft sound precedes the startling stimulus). My talk will describe these systems, along with a description of the role of specific neurotransmitters in their function. In particular, I will focus on our recent studies examining the involvement of serotonin receptors in these processes in rats. |
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