Seçici Dikkat Bozukluğu Nedeni Olarak Mental Yorgunluk

Impaired selective attention may be a specific feature of mentalfatigue, and a higher mental load may introduce a greater level of impaired conflict control orresponse inhibition.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Fatigue decreases efficiency in performing daily tasks, and this is a commonsymptom in modern society.

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Key Findings & Data:We examinedcognitive function associated with two types of mental fatigue.Methods: Twenty healthy volunteers were randomised to perform rest or fatigue-inducingmental task session (0-back or 2-back test session) for 30 min in a 3-way crossover design.Just before and after each session, participants completed cognitive task trials to evaluatesimple and conflict-controlling selective attention (response inhibition).Results: Changes in the reaction time of simple selective attention task after the 2-back testsession were longer and changes after the 0-back test session had a trend toward being longerthan those after the rest session.

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Conclusion & Impact:Impaired selective attention may be a specific feature of mentalfatigue, and a higher mental load may introduce a greater level of impaired conflict control orresponse inhibition.

🔬Design:Research Article

📍Scope:Comprehensive Sample

⚙️Variables:Domain Parameters

Abstract

Objective: Fatigue decreases efficiency in performing daily tasks, and this is a commonsymptom in modern society. It would thus be of great value to clarify the mechanismunderlying fatigue and to develop efficient methods to evaluate fatigue. We examinedcognitive function associated with two types of mental fatigue.Methods: Twenty healthy volunteers were randomised to perform rest or fatigue-inducingmental task session (0-back or 2-back test session) for 30 min in a 3-way crossover design.Just before and after each session, participants completed cognitive task trials to evaluatesimple and conflict-controlling selective attention (response inhibition).Results: Changes in the reaction time of simple selective attention task after the 2-back testsession were longer and changes after the 0-back test session had a trend toward being longerthan those after the rest session. In addition, changes in the percent error for Stroop effectafter the 2-back test session were significantly higher than those after the rest session,although those after the 0-back test session were not.Conclusions: Different types of mental fatigue produced different styles of deterioratedcognitive performances. Impaired selective attention may be a specific feature of mentalfatigue, and a higher mental load may introduce a greater level of impaired conflict control orresponse inhibition.

Özet

Amaç: Yorgunluk modern yaşamın yaygın bir semptomu olarak günlük işlevlerigerçekleştiriken etkinliği düşürür. Yorgunluğun altında yatan mekanizmayı ortaya koymanındeğeri bu nedenle önemli olacaktır. İki tip mental yorgunluk ile bağlantılı bilişsel işlevleriaraştırdık.Yöntem: Otuz dakika için bir 3-yollu geçit yolu tasarımında (0-geri ve 2-geri test sezonu) 20sağlıklı gönüllü rastgele olarak dinlenme ve yorgunluk yaratan mental ödev sürecindengeçirildiler. Her sürecin hemen başlangıcında ve sonunda basit ve çelişki-kontrollü seçicidikkat (yanıt inhibisyonu) değerlendirmesi için katılımcılar bilişsel ödev denemelerinitamamladılar.Sonuçlar: İki-geri test süreci sonrası basit seçici dikkatin reaksiyon süresindeki değişikliklerdaha uzundu ve 0-geri test süreci sonrası değişiklikler dinlenme süreci sonrası olanlardandaha uzun olma eğilimi gösterdi. Buna ek olarak, 2-geri test süreci sonrası Stroop etkisi içinhata yüzdesi değişiklikleri dinlenme süreci sonrası önemli ölçüde daha yüksekti ama 0-geritest süreci sonrası bu durum gözlenmedi.Yorum: Farklı tipteki mental yorgunluklar farklı stilde bozuk bilişsel performans doğurdu.Bozulmuş seçici dikkat mental yorgunluğun özel bir karakteristiği olabilir. Yüksek düzeydebir zihinsel yükleme yüksek seviyede bozuk çelişki kontrolüne ya da yanıt inhibisyonunaneden olabilir.

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Cite This Article

TANAKA, M., ISHII, A., TAJIMA, S., FUNAKURA, M., KANAI, E., WATANABE, Y., SHIGIHARA, Y. (2022). Seçici Dikkat Bozukluğu Nedeni Olarak Mental Yorgunluk. Journal of Neurological Sciences (Turkish), Cilt: 29 - Sayı: 3, 542–553. https://ajindex.com/articles/565255

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