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 A degenerative braindisorder, which is characterised by gradual memory loss,deteriorating cognitive skills, increasing disorientation and areduction in intellectual ability. Linked to the deteriorationof acetylcholine pathwaysin the brain.

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Psychology term of the day

June 21st 2021

pervasive developmentdisorder (PDD)

refers to a group of five disorders characterised by delays inthe development of multiple basic functions includingsocialisation andcommunication. The most commonly known PDD is autism.