Northwestern University researchers say they have identified the neurochemical signal likely missing in Parkinson’s disease. They reportedly discovered two distinctly different kinds of neurons that deliver dopamine to an important brain region responsible for both movement and learning/reward behavior.
“It has been dogma for decades that all dopamine neurons are somehow involved in both movement and reward, but this didn’t really make sense,” said Daniel A. Dombeck, Ph.D., the study’s senior author. “Now, it is so obvious in our recordings that there are different kinds of neurons. We can literally see this in behaving animals. Our findings will likely help answer many questions about Parkinson’s disease and other neurological mysteries.”
Source: genengnews
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