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Summary
This review synthesizes research to propose a multidimensional definition of aphasia (a language disorder). It supports a comprehensive view encompassing verbal/non-verbal, cognitive, and cortical/subcortical aspects for better assessment and treatment.
Area of Science:
- Speech and Language Pathology
- Cognitive Psychology
- Psycholinguistics
- Neurology
- Rehabilitation Medicine
Background:
- Current definitions of aphasia may not fully capture its complexity.
- Aphasia impacts verbal and non-verbal communication.
- Understanding aphasia requires an interdisciplinary approach.
Purpose of the Study:
- To refine and extend current definitions of aphasia.
- To integrate evidence from diverse scientific disciplines.
- To support a multidimensional view of aphasia.
Main Methods:
- Literature review of recent research.
- Synthesis of findings from speech and language pathology, cognitive psychology, psycholinguistics, neurology, and rehabilitation medicine.
- Analysis of evidence supporting a multimodality, performance-based, verbal and non-verbal, cortical and subcortical, and cognitively multidimensional perspective.
Main Results:
- Evidence supports a multimodality view of aphasia, encompassing both verbal and non-verbal deficits.
- Aphasia is characterized as performance-based, affecting both cortical and subcortical brain regions.
- A cognitively multidimensional framework is proposed for understanding aphasia.
Conclusions:
- Aphasia is best understood as a complex, multidimensional disorder.
- Current assessment and treatment practices for adult aphasia are summarized.
- An integrated, interdisciplinary approach is crucial for defining and managing aphasia.