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Insomnia Often Associated With Objective Daytime Changes
A DGReview of :"Daytime Noopsychic and Thymopsychic Dysfunctions in Nonorganic Insomnia Related to Different Mental Disorders"
Somnologie
02/14/2003
By Mark Greener
Non-organic insomnia is often associated with objective daytime dysfunction, which differs depending on concurrent psychiatric disorders.
Researchers from the University of Vienna, Austria, enrolled 93 females and 86 males, aged between 22 and 63 years, who experienced non-organic insomnia. The authors stratified patients into eight groups: seven with concomitant psychiatric disorders and one without. Patients underwent a battery of tests to assess intelligence, visual and verbal memory as well as psychomotor activity. The authors also assessed drive mood, affectivity, wakefulness, well being and anxiety.
Patients with insomnia did not show decreased intelligence. However, all patient groups showed an increased number of reproduction errors in visual memory tests. In patients with insomnia and affective disorders, verbal memory and psychomotor activity were impaired. Verbal memory and psychomotor activity did not change in patients with insomnia without concomitant psychiatric disorder or in those in whom the insomnia related to generalized anxiety disorder or adjustment disorders.
All groups showed impaired wakefulness. Moreover, daytime drive, mood, affectivity, well-being and anxiety were impaired in people with insomnia due to affective disorders. These parameters did not worsen in patients with insomnia without concomitant psychiatric disorder or insomnia related to generalized anxiety disorder or adjustment disorders.
The authors concluded that non-organic insomnia is often associated with objective daytime dysfunction. The concomitant psychiatric disorder influences the severity and type of changes in noopsyche (intellectual and mnestic) and thymopsyche (drive, mood, affectivity, wakefulness) functions.
Somnologie 2002;6:4:141-8.
"Daytime Noopsychic and Thymopsychic Dysfunctions in Nonorganic Insomnia Related to Different Mental Disorders"
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