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A novel, implicit treatment for language comprehension processes in right hemisphere brain damage: Phase I data.

Connie A Tompkins¹, Margaret T Blake, Julie Wambaugh

¹Communication Science & Disorders, University of Pittsburgh, Pittsburgh, PA, USA.

|February 28, 2012

Summary

A new implicit treatment shows promise for improving language comprehension in adults with right hemisphere brain damage (RHD) by using contextual constraints to boost semantic coding and suppression skills.

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Area of Science:

Neuroscience
Linguistics
Speech-Language Pathology

Background:

Right hemisphere brain damage (RHD) often impairs language comprehension, specifically coarse semantic coding and suppression.
Individuals with RHD tend to perform better on implicit tasks than explicit ones.
Treatment development leveraged the RHD population's strength in responding to contextual cues.

Purpose of the Study:

To evaluate the initial effects of a novel, implicit "Contextual Constraint" treatment.
To determine if this treatment can enhance inefficient coarse coding or suppression functions in adults with RHD.

Main Methods:

Three adults with RHD (one with coarse coding deficit, two with suppression deficits) participated.
A "Contextual Constraint" treatment involved implicit priming using brief context sentences.
Treatment utilized strong and moderate contextual constraints, with outcomes measured by response time criteria.

Main Results:

Participants showed treatment-contingent gains in language comprehension after brief intervention periods.
One participant demonstrated sustained gains in a maintenance probe.
Individual responses varied, with one participant showing slower but substantial progress.

Conclusions:

This Phase I study suggests implicit "Contextual Constraint" treatment holds potential for RHD individuals.
The approach may benefit those who struggle with explicit treatments or require error minimization.
Further research is needed to confirm generalization of gains to broader discourse comprehension.