臨床症状
Esther Brill1, Alexa Frederike Holfelder1, Michael Falkner2
1University Hospital of Old Age Psychiatry and Psychotherapy, Bern, Bern, Switzerland.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
まとめ
コンピューター化された認知トレーニング(CCT)は、高齢者の認知機能低下に対して短期的な効果を示さなかった。高い遵守率は、CCTが長期的に、または他の介入と組み合わせて価値がある可能性を示唆している。
科学分野:
- 神経科学; 老年医学; 認知心理学
背景:
- 主観的認知機能低下(SCD)および軽度認知障害(MCI)はアルツハイマー病を予測する。; コンピューター化認知トレーニング(CCT)は、潜在的な非薬理学的介入である。; 過去のCCT研究では、結果が混在しており、遵守に課題があることが示されている。
研究 の 目的:
- SCD/MCI患者におけるCCTの有効性を評価する。; CCTをアクティブコントロール群および待機リストコントロール群と比較する。; 神経生理学的および血液ベースのバイオマーカーを評価する。
主な方法:
- 155人の参加者(平均年齢72.2歳)を対象とした二施設共同無作為化比較試験(RCT)。; 3つのアーム:CCT、アクティブコントロール(ドキュメンタリー)、待機リストコントロール。; 60セッションの3ヶ月間の介入の後、介入群は6ヶ月間のCCTを実施。
主要な成果:
- 認知成績に関する有意な群と時点の交互作用は認められなかった。; グループ全体で高い遵守率(週4.87セッション)が観察された。; 灰白質の体積またはアミロイドレベルに変化はなく、長期トレーニング後に主観的な改善が認められた。
結論:
- 3ヶ月間のCCTでは、特定の認知的または生物学的な利点は示されなかった。; 高い遵守率は、個別化された関連性の高い介入の重要性を示唆している。; 長期的なCCTは肯定的な主観的効果を示し、多成分介入におけるその役割を示唆している。
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