<b>The Relationship Between Tendency for Inattention and Prefrontal Cortex Activity During Problem Solving in Typical Developing </b><b>Adults </b>

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  • <b>定型発達成人の不注意傾向と問題解決過程に関わる </b><b>前頭前皮質活動との関連 </b>
  • 定型発達成人の不注意傾向と問題解決過程に関わる前頭前皮質活動との関連
  • テイケイ ハッタツ セイジン ノ フチュウイ ケイコウ ト モンダイ カイケツ カテイ ニ カカワル ゼントウ ゼン ヒシツ カツドウ ト ノ カンレン

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<p>Inattention is strongly associated with poor planning and low working memory capacity. The purpose of this study was to investigate the relationship between inattention score, behavioral performance during problem solving tasks, and prefrontal cortex activity in typical developing adults. The mastermind game was used as the problem solving task. For the investigation of brain activities, cerebral blood flow in the prefrontal cortex area was measured using near-infrared spectroscopy during the mastermind game. In terms of behavioral performance, longer completion times and lower accuracy were observed in the high-inattention score group compared with the low-inattention score group on 4 pin conditions where the difficulty level was highest. The hemodynamic changes in oxyhemoglobin (oxy-Hb) in the low-inattention score group were similar regardless of difficulty level in all analyzed areas. This indicated that the entire fronto-parietal network may be related to problem solving processes. In the high-inattention group, the hemodynamic changes in oxy-Hb decreased on 4 pin conditions where high-working memory was utilized. These results suggest that the tendency for high inattention influences the working memory process and medial PFC activities related to working memory.</p>

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