2002, en_US, English, English , Article, Journal or magazine article edition: Evidence of an early information processing speed deficit in unipolar major depression Tsourtos, George; Stough, Con K.; Thompson, J. C.

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Physical Description
  • journal article
Published
  • Cambridge University Press , 2002
Language
  • en_US
  • English
  • English

Edition details

Title
  • Evidence of an early information processing speed deficit in unipolar major depression
Author
  • Tsourtos, George
  • Stough, Con K.
  • Thompson, J. C.
Other Contributors
  • Swinburne University of Technology. Neuropsychology Laboratory
  • Swinburne University of Technology. Brain Sciences Institute
Published
  • Cambridge University Press , 2002
Physical Description
  • journal article
Part Of
  • http:/​/​journals.cambridge.org/​action/​displayAbstract?fromPage=​online&​aid=​99875&​fulltextType=​RA&​fileId=​S0033291701005001
  • Psychological Medicine, Vol. 32, no. 2 (Feb 2002), pp. 259-265
Subjects
Summary
  • Background. Slowing of the speed of information processing has been reported in geriatric depression, but it is not clear if the impairment is present in younger patients, if motor retardation is responsible, or if antidepressant medications play a role. Method. Twenty unmedicated unipolar depressed inpatients were compared with 19 medicated depressed in-patients and 20 age-, sex- and verbal IQ-matched controls on inspection time (IT), a measure of speed of information processing that does not require a speeded motor response. We also examined the relationship between IT and current mood and length of depressive illness. Results. Unmedicated depressed patients showed slowing of information processing speed when compared to both medicated depressed patients and controls. The latter two groups were not significantly different from each other. Slowing of IT was not associated with current mood, but was negatively correlated with length of illness since first episode. No differences in IT were found between patients receiving medication with anticholinergic effects and patients receiving medication with no anticholinergic effects. Conclusions. The findings indicate that unipolar depression is associated with a slowing of speed of information processing in younger patients who have not received antidepressant medication. This does not appear to be a result of motor slowing.
  • G. Tsourtos, J. C. Thompson and C. Stough
Terms of Use
  • Copyright © 2002 Cambridge University Press. Published version of the paper reproduced here in accordance with the copyright policy of the publisher.
Language
  • en_US
  • English
  • English
Related Resource
Identifier
  • oai:digital.library.adelaide.edu.au:2440/​6591
  • Psychological Medicine, 2002; 32 (2):259-265
  • 0033-2917
  • 10.1017/​S0033291701005001
  • oai:zeus.cc.swin.edu.au:swin:2131

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