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Relationship between attention and arousal level in schizophrenia.

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Title: Relationship between attention and arousal level in schizophrenia.
Authors: Nakamura, Mitsuru (AUTHOR), Matsushima, Eisuke (AUTHOR), Ohta, Katsuya (AUTHOR), Ando, Katsumi (AUTHOR), Kojima, Takuya (AUTHOR)
Source: Psychiatry & Clinical Neurosciences. Oct2003, Vol. 57 Issue 5, p472-477. 6p.
Subjects: Neurophysiology, Psychophysiology, Schizophrenia
Abstract: Abstract The purpose of the present paper was to clarify the link between the attention and arousal level that supports the basis of the cognitive dysfunction in schizophrenia, by investigating the relationship between the simple reaction time and the closed-eye eye movements in 30 patients with schizophrenia and 20 healthy controls. In terms of closed-eye eye movements during the simple reaction time test, healthy controls showed an increase of s-type (small and slow) eye movements after the end of the preparatory interval (PI) in both regular and irregular series, while the patients with schizophrenia, particularly those in whom the cross-over phenomenon was observed, showed no changes and maintained a hyperarousal level during the regular PI test. These results indicate that the patients with schizophrenia could not maintain appropriate attention during the burden tasks and their hyperarousal level persisted. It is therefore suggested that there is a close relationship between attentional deficit and hyperarousal among patients with schizophrenia. [ABSTRACT FROM AUTHOR]
Copyright of Psychiatry & Clinical Neurosciences is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Relationship between attention and arousal level in schizophrenia.
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  Data: <searchLink fieldCode="AR" term="%22Nakamura%2C+Mitsuru%22">Nakamura, Mitsuru</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Matsushima%2C+Eisuke%22">Matsushima, Eisuke</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ohta%2C+Katsuya%22">Ohta, Katsuya</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ando%2C+Katsumi%22">Ando, Katsumi</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kojima%2C+Takuya%22">Kojima, Takuya</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Psychiatry+%26+Clinical+Neurosciences%22">Psychiatry & Clinical Neurosciences</searchLink>. Oct2003, Vol. 57 Issue 5, p472-477. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Neurophysiology%22">Neurophysiology</searchLink><br /><searchLink fieldCode="DE" term="%22Psychophysiology%22">Psychophysiology</searchLink><br /><searchLink fieldCode="DE" term="%22Schizophrenia%22">Schizophrenia</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract The purpose of the present paper was to clarify the link between the attention and arousal level that supports the basis of the cognitive dysfunction in schizophrenia, by investigating the relationship between the simple reaction time and the closed-eye eye movements in 30 patients with schizophrenia and 20 healthy controls. In terms of closed-eye eye movements during the simple reaction time test, healthy controls showed an increase of s-type (small and slow) eye movements after the end of the preparatory interval (PI) in both regular and irregular series, while the patients with schizophrenia, particularly those in whom the cross-over phenomenon was observed, showed no changes and maintained a hyperarousal level during the regular PI test. These results indicate that the patients with schizophrenia could not maintain appropriate attention during the burden tasks and their hyperarousal level persisted. It is therefore suggested that there is a close relationship between attentional deficit and hyperarousal among patients with schizophrenia. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Psychiatry & Clinical Neurosciences is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1046/j.1440-1819.2003.01150.x
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              Text: Oct2003
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