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Japanese Occupational Therapy Research Volume 20, Issue 2 （April 2001）

作業療法 20巻2号（2001年4月発行）

Japanese English

◆研究と報告

精神分裂病者における作業療法の経時的評価—探索眼球運動の解析を用いて A change with the passage of time in schizophrenic patients through occupational therapy: Analysis of exploratory eye movement 中山広宣 ¹ , 森田喜一郎 ² , 脇元啓行 ³ , 野中健作 ³ , 前田久雄 ² Hironobu Nakayama ¹ , Kiichiro Morita ² , Hiroyuki Wakimoto ³ , Kensaku Nonaka ³ , Hisao Maeda ² ¹九州保健福祉大学保健科学部作業療法学科 ²久留米大学医学部精神神経科学教室 ³堀川病院 ¹Department of Occupational Therapy, Kyushu University of Health and Welfare ²Department of Neuropsychiatry, Kurume University School of Medicine ³Horikawa Hospital キーワード：精神科作業療法 , 精神分裂病 , 眼球運動 , Psychiatric occupational therapy , Schizophrenia , Exploratory eye movement Keyword: 精神科作業療法 , 精神分裂病 , 眼球運動 , Psychiatric occupational therapy , Schizophrenia , Exploratory eye movement pp.135-144

発行日 2001年4月15日 Published Date 2001/4/15

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要旨：入院中の精神分裂病者32名を対象に，1年間OT評価としてOT出席率とLASMIの労働または課題の遂行(WORK)項目にて評価を行い，生理学的評価として探索眼球運動を比較検討した．また，PANSSにて精神症状との関係も検討した．

　その結果，OT出席率およびWORK評価と探索眼球運動に有意な相関が観察され，OT出席率増加群(22名)では，OT経過とともに平均停留時間は短縮，停留点総数，平均および総移動距離は増大した．PANSSの陰性尺度とOT出席率およびWORK評価そして探索眼球運動にも有意な相関が観察された．

　以上の結果より，探索眼球運動が作業療法の補助的客観的評価になり得ることが示唆された．

　We have very few biological measurments for psychiatric occupational therapy (OT). The present study was performed to examine relationships between occupational therapy and exploratory eye movement for one year.

　OT was done in 32 schizophrenics with several occupational tasks. The OT was evaluated by the rate of OT attendance per one month and Work (W) scale of LASMI, and also mental status was evaluated by a positive and negative syndrome scale (PANSS).

　The patient eye movements were analyzed with an eye-mark recorder for four parameters: mean gazing time, total number of gazing points, mean and total scanning length of gazing points.

　The schizophrenic patients had significantly longer mean gazing time and narrower eye movements. The increase group (22 persons) of rate of OT attendance was positively correlated with mean gazing time, mean and total scanning length. The W scale was also positively correlated with those parameters. The rate of OT attendance was positively correlated with the negative syndrome scale.

　These findings are considered to be linked to cognitive deficits and also indicate a significant improvement in the exploratory eye movements in OT testing. The evaluation of the exploratory eye movements may be a useful tool as an additional evaluation of OT.