Five different diseases attack language areas in the brain that cause primary progressive aphasia – News Medical

​There are five different diseases that attack the language areas in the left hemisphere of the brain that slowly cause progressive impairments of language known as primary progressive aphasia (PPA), reports a new Northwestern Medicine study.

We’ve discovered each of these diseases hits a different part of the language network. In some cases, the disease hits the area responsible for grammar, in others the area responsible for word comprehension. Each disease progresses at a different rate and has different implications for intervention.”

Dr M. Marsel Mesulam, Study Lead Author and Director of Mesulam Center for Cognitive Neurology and Alzheimer’s Disease, Northwestern University

This study is based on the largest set of PPA autopsies -; 118 cases -; ever assembled.

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  1. Rachelle

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