期刊
COGNITIVE AND BEHAVIORAL NEUROLOGY
卷 21, 期 1, 页码 41-45出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNN.0b013e3181684d87
关键词
near infrared spectroscopy; catatonia; schizophrenia; ECT
Objective: To present the first near infrared spectroscopy (NIRS) study of a patient with resistant catatonic schizophrenia during residual episodes of catatonia-related symptoms. Background: Functional imaging studies generally point to a decreased cortical activation in catatonic patients, with the notable exception of increased orbitofrontal/medial prefrontal activity elicited by negative stimuli. Methods: Cortical activity of the left anterior prefrontal area was recorded with a Techen 4 x 4 NIRS apparatus. Four episodes of staring/mutism were recorded and averaged. Compared with normal activity, these episodes were characterized by increased cortical activation. Conclusions: Within its methodologic limitations, the present observation suggests that increased anterior prefrontal activation in catatonic patients is not specific to negative stimuli. Known functions of the anterior prefrontal cortex such as self monitoring, reallocation of attention, or conflict resolution might underlie these findings. These also attest to the potential of NIRS for functional imaging of vulnerable subjects.
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