Acetylcholine (ACh) is a neuromodulator with a central role in aversive learning - rapid conditioning to unpleasant smell, taste, or touch. These learning functions play out in cells called D2 ...
The results were concerning. People who used at least one of these drugs had a 47% higher risk of developing mild cognitive impairment, or MCI, over the next decade. MCI is an early stage of memory ...