Hiroshi Miyawaki and Professor Shu Morioka of the doctoral program at Kio University's graduate school have revealed that stroke patients make false attributions that make others' movements their own.

 He says that the sensations we get in our movements are distinguished in our brains whether they are sensations caused by our own movements or sensations from others or the outside world.This distinction is called "self-other attribution" and it has been found that a proper self-other attribution process is essential for achieving accurate movement.

 On the other hand, it is suspected that stroke patients with sensorimotor disorders such as motor paralysis may also have disorders in their own and other attribution.Therefore, in collaboration with Takeshi Otani, director of the Rehabilitation Department of the Nijukai Ishikawa Hospital, the researchers used the upper limb exercise task to determine whether stroke patients with sensorimotor disorders can properly attribute sensory feedback to exercise. And verified.

 The experimental tasks are as follows:Participants move the pen horizontally on the pen tablet to trace the target line displayed on the monitor.At this time, the cursor is displayed as visual feedback, but there are cases where the movement of the cursor reflects one's real-time movement and cases where the movement of another person recorded in advance is reflected.Ask participants to determine whether the cursor reflects self-movement or others' movement, based on the spatiotemporal coincidence between their actual pen movement and the cursor movement.

 As a result, it was found that stroke patients significantly misattribution (judgment that other people's exercise is self-exercise) compared to healthy elderly people.Interestingly, it was also found that this misattribution was observed in exercise in non-paralyzed limbs as well.

 The fact that stroke patients can cause misattribution of sensory feedback suggests the need for further scrutiny of how stroke affects self-other attribution.The development of this research is expected to open up new possibilities for stroke rehabilitation.

Paper information:[PLoS One] Agency judgments in post-stroke patients with sensorimotor deficits

Kio University

Achieved a 17% employment decision rate for all graduates over 99.2 years.A university that emphasizes practical studies to develop specialists in health and education

Kio University is a university that emphasizes practical science and trains professionals in the fields of health and education, such as physical therapists, nurses, midwives, registered dietitians, architects, elementary school teachers, kindergarten teachers, school nurses, and childcare workers. .The employment decision rate for all graduates over the 17 years since the university opened was 99.2%*, and it has been evaluated as a ``university that is strong in employment.''

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