Effects of conversation group treatment for individuals with moderate to severe aphasia
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Résumé
Background Conversation treatment is effective for individuals with aphasia, but the optimal ingredients are poorly understood. This study examined factors related to severity of aphasia and characteristics of the group setting.Aim We examined whether individuals with moderate to severe aphasia (IwMSA) benefit from conversation treatment, and whether treatment effects differ based on group size (dyad vs. large group) or composition (mixed vs. homogenous aphasia severity).Method IwMSA (n = 91) were assigned to one of five conditions: delayed control, mixed or homogenous dyad, mixed or homogenous large group. Treatment was 60-minutes, twice weekly, for 10 weeks. Individualized goals were addressed within conversational group treatment. During each session, multi-modal supports were available and modeled. The primary outcome measure was the Aphasia Communication Outcome Measure (ACOM). Secondary outcome measures included the CADL-3, Comprehensive Aphasia Test (CAT), and discourse measures (e.g. Complete Utterances and Core Lexicon).Results We first examined overall effects of conversation treatment (treated versus control group). On the ACOM (primary outcome measure) and CADL-3 (secondary outcome measure), the treated condition showed significant improvement from pre to post treatment, and at maintenance. The controls did not show significant differences. The interaction of time and condition did not approach significance in any of the other secondary outcome measures, so only ACOM and CADL-3 were analyzed in follow up analyses. Regarding effects of group size (Large Group vs Dyad), the Large Group Condition showed significant changes for pre- to post-treatment and at maintenance on the ACOM. For the Dyad Condition, there was a significant change only from pre-treatment to maintenance. On the CADL-3, both the Large Group and Dyad conditions showed significant changes from pre to post treatment and at maintenance. Regarding effects of group composition (homogeneous vs mixed), individuals in the homogenous group demonstrated significant improvements from pre- to post-treatment and a maintenance on both the ACOM and CADL-3. Individuals in the mixed group showed no significant change over timeConclusions Participants in the treatment conditions showed significant changes on the ACOM and CADL-3, demonstrating that IwMSA benefit from conversation treatment. These findings support the hypotheses that IwMSA benefit from conversation treatment in both large groups and dyads, and that there may be additional benefits associated with more homogeneous (versus mixed) group environments.
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Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
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Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle