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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.
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