Method for determining positive and negative emotional states by

Details Method for determining positive and negative emotional states by Method for determining positive and negative emotional states by

1998-07-23

2000-02-01

Hindenburg, Max

Surgery

Diagnostic testing

Detecting brain electric signal

600300, A61B 504

Patent

active

060213469

ABSTRACT:
The present invention to provide a method for determining positive and negative emotional states by using a relative power in a subband of a specific frequency band increases or decreases in the course of time. In order to realize the above object, the present invention determines positive and negative emotional states by using a relative power in a subband of a specific frequency band increases or decreases with the lapse of time. The present invention performs a Fourier transform for a unit time not an entire response time regarding a stimulus, and can be used in real time by using a time-frequency analysis method continuously executed with the lapse of time.

REFERENCES:
patent: 5010891 (1991-04-01), Chamoun
patent: 5083571 (1992-01-01), Prichep
patent: 5601090 (1997-02-01), Musha
Tzyy-Ping Jung, Scott Makeig, Magnus Stensmo and Terrance J. Sejnowski, "Estimating Alterness from the EEG Power Spectrum", JEEE Transactions on Biomedical Engineering, Jan., 1997, pp. 60-69.

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