Aberrant Functional Organization in Schizophrenia: Analysis of EEG Coherence during Rest and Photic Stimulation in Drug-Naive Patients

1998 ◽  
Vol 38 (2) ◽  
pp. 63-69 ◽  
Author(s):  
Yuji Wada ◽  
Yuko Nanbu ◽  
Mitsuru Kikuchi ◽  
Yoshifumi Koshino ◽  
Takuma Hashimoto
Keyword(s):  
Functional Organization ◽  
Photic Stimulation ◽  
Eeg Coherence ◽  
Drug Naïve

Interhemispheric EEG coherence during photic stimulation: Sex differences in normal young adults

1996 ◽  
Vol 22 (1-2) ◽  
pp. 45-51 ◽  
Author(s):  
Yuji Wada ◽  
Yuko Nanbu ◽  
Rie Kadoshima ◽  
Zheng-Yan Jiang ◽  
Yoshifumi Koshino ◽  
...  
Keyword(s):  
Young Adults ◽  
Sex Differences ◽  
Photic Stimulation ◽  
Eeg Coherence

Differences in EEG Harmonic Driving Responses to Photic Stimulation between Normal Aging and Alzheimer's Disease

2002 ◽  
Vol 33 (2) ◽  
pp. 86-92 ◽  
Author(s):  
Mitsuru Kikuchi ◽  
Yuji Wada ◽  
Yoshifumi Koshino
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Functional Organization ◽  
Brain Activation ◽  
The Elderly ◽  
Normal Aging ◽  
Photic Stimulation ◽  
Elderly Subjects ◽  
Absolute Power ◽  
The Brain

In order to investigate whether Alzheimer's disease (AD) is the end result of aging of the brain or the result of some other mechanism, we analyzed EEGs showing the absolute power of harmonic responses to photic stimulation (PS) in younger subjects, non-demented elderly subjects and AD patients. At rest, the AD patients generally showed less absolute power than the younger and elderly subjects, with significant differences found at 10Hz and 20Hz. Analysis of EEGs recorded during PS indicated that the elderly subjects generally demonstrated more absolute power than the younger subjects and AD patients. These findings suggest a failure of stimulation-related brain activation in AD patients, and provide further evidence that normal aging and AD employ different mechanisms for functional organization during PS.

Abnormal functional connectivity in Alzheimer's disease: intrahemispheric EEG coherence during rest and photic stimulation

1998 ◽  
Vol 248 (4) ◽  
pp. 203-208 ◽  
Author(s):  
Y. Wada ◽  
Yuko Nanbu ◽  
Mitsuru Kikuchi ◽  
Yoshifumi Koshino ◽  
Takuma Hashimoto ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Functional Connectivity ◽  
Photic Stimulation ◽  
Eeg Coherence

Interhemispheric EEG Coherence in Never-Medicated Patients with Paranoid Schizophrenia: Analysis at Rest and during Photic Stimulation

1998 ◽  
Vol 29 (4) ◽  
pp. 170-176 ◽  
Author(s):  
Yuji Wada ◽  
Yuko Nanbu ◽  
Zheng-Yan Jiang ◽  
Yoshifumi Koshino ◽  
Takuma Hashimoto
Keyword(s):  
Paranoid Schizophrenia ◽  
Photic Stimulation ◽  
Eeg Coherence

Effect of Normal Aging upon Interhemispheric EEG Coherence: Analysis during Rest and Photic Stimulation

2000 ◽  
Vol 31 (4) ◽  
pp. 170-174 ◽  
Author(s):  
Mitsuru Kikuchi ◽  
Yuji Wada ◽  
Yoshifumi Koshino ◽  
Yuko Nanbu ◽  
Takuma Hashimoto
Keyword(s):  
Normal Aging ◽  
Photic Stimulation ◽  
Coherence Analysis ◽  
Eeg Coherence

Effects of Scopolamine on Interhemispheric EEG Coherence in Healthy Subjects: Analysis during Rest and Photic Stimulation

2000 ◽  
Vol 31 (2) ◽  
pp. 109-115 ◽  
Author(s):  
Mitsuru Kikuchi ◽  
Yuji Wada ◽  
Yoshifumi Koshino ◽  
Yuko Nanbu ◽  
Takuma Hashimoto
Keyword(s):  
Healthy Subjects ◽  
Photic Stimulation ◽  
Eeg Coherence
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