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Keywords: Negative symptom
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Journal Articles

Hypothalamic-Pituitary-Adrenal Axis Function in Chronic Schizophrenia: Association with Clinical Features

Subject Area:
Neurology and Neuroscience , Psychiatry and Psychology
Motohisa Kaneko, Fujio Yokoyama, Yoshihiko Hoshino, Kenji Takahagi, Shigeo Murata, Makoto Watanabe, Hisashi Kumashiro
Journal: Neuropsychobiology
Neuropsychobiology (1992) 25 (1): 1–7.
https://doi.org/10.1159/000118800
Published Online: 21 February 2008
... schizophrenics exhibited an abnormal diurnal variation of the saliva cortisol level. The patients with abnormal diurnal variation gave higher scores for some negative symptoms than those with normal diurnal variation. On the dexamethasone suppression test (DST) of saliva samples, 13 of 34 chronic schizophrenics...
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Journal Articles

Association between Delta Waves during Sleep and Negative Symptoms in Schizophrenia: Pharmaco-EEG Studies by Using Structurally Different Hypnotics

Subject Area:
Neurology and Neuroscience , Psychiatry and Psychology
Masaaki Kato, Naofumi Kajimura, Teruo Okuma, Masanori Sekimoto, Tsuyoshi Watanabe, Hiroshi Yamadera, Kiyohisa Takahashi
Journal: Neuropsychobiology
Neuropsychobiology (1999) 39 (3): 165–172.
https://doi.org/10.1159/000026577
Published Online: 08 April 1999
... of BZD with ZPC increased the mean amplitude of high-amplitude low-frequency delta waves on the frontal derivation recognized by period-amplitude analysis, and it decreased the BPRS negative-symptom score. Under the BZD treatment, the negative-symptom score correlated inversely with the mean amplitude...
View article titled, Association between Delta Waves during Sleep and <span class="search-highlight">Negative</span> <span class="search-highlight">Symptoms</span> in Schizophrenia: Pharmaco-EEG Studies by Using Structurally Different Hypnotics
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