Aphasia Classification and Assessment

Aphasia Classification and Assessment

Judith Robillard Shultz MSc. SLP(C) Speech-Language Pathologist MGH-MUHC

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Purpose of Assessment

Determine if aphasia is present or absent Distinguish it from other related conditions

Motor speech disorders Cognitive-communication disorders

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Lecture goals

Components of communication and normal language processing

Syndromes of aphasia

Features of related conditions

Common assessment tools, diagnostically relevant tasks

How to communicate with an aphasic patient

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Definition of Aphasia

Disturbance of language caused by brain damage affecting:

Comprehension

auditory reading

Expression

speaking writing

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Important Distinctions

Language

Vocabulary, grammar..

Speech

Movement tongue, lips....

Cognition

Attention, memory, problem solving....

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Theoretical Basis for Classification of Aphasia: Boston Classification (Kertesz & Poole; Goodglass & Kaplan)

A contemporary localizationist view Language localizable in the brain

Perisylvian region in the left hemisphere anterior language zone = left frontal lobe posterior language zone = left temporal/parietal lobes

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Copyright Judith Robillard Shultz 2009

Boston Classification

Consists of cortical centers and connecting pathways

Aphasia Syndromes Broca, Wernicke, Global Conduction, TC Motor, TC Sensory, Mixed TC Anomic

Supplied by left MCA Anterior and posterior branches, main trunk

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