OBJECTIVE. To assess the information processing capabilities in 25
patients with primary fibromyalgia (FM) by comparing them with
22 patients with major depression and 18 healthy controls.
METHODS. A broad range of tasks related to various
subcomponents of information processing were included.
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RESULTS. Our results indicated that patients with primary FM
in general share with depressives a nonspecific deficit in
information processing capacity. However, our data showed that
cognitive dysfunction reflecting a presumed compromise of the
right hemisphere is present in major depression, but not in
CONCLUSION. This finding would suggest that
primary FM and depression are probably different conditions.
Sletvold H, Stiles TC, Landro NI