drugs which are utilized to emphasize cognitive processes, generally in the remediation of progressive dementias, like Alzheimer's, but additionally of cognitive malfunction due to traumatic neruological dmage. They don't reverse the path of the dementia, but are claimed to slow down its progress in slight to average types of the disease. Several of these drugs are effective via inhibition of the actions of acetylcholinesterase in the CNS, thus counteracting the disruption of cholinergic neuroconveyance seen in people with Alzheimer