Abstract:
PURPOSE: A spasm end-point decision method using sample entropy of brain wave is provided to rapidly measure the end-point of spasm. CONSTITUTION: A spasm end-point decision method using sample entropy of brain wave comprises the following steps: obtaining brain wave change data according to time from experimentee; using starting time point information of the section after partitioning the brainwave data according to the time of 1-20 seconds; measuring the sample entropy value about the divided each section; selecting N number of sections by selecting the section having the lowest sample entropy value in order; reversely, calculating the absolute mean value of the brain wave amplitude up to 5-20 seconds before; distinguishing the status convulsivus and ratio status convulsivus; and determining the starting point of the last section as the spasm end-point.
Abstract:
본발명은정신분열병환자들의심박변이도(heart rate variability, HRV)를측정하여정신분열병을진단하는장치및 방법에관한것이다. 보다구체적으로본 발명은 HRV의여러측정지표가정신분열병환자에서특징적인변화를보이는것을제시한다. HRV의측정지표중에서도 SampEn (sample entropy)은 HRV의복잡성을나타나는지표이며, LF/HF (ration of low frequency to high frequency)는 HRV에서교감신경계와부교감신경계가서로균형을이루는정도를나타낸다. SampEn과 LF/HF 측정값을이용하여정신분열병환자를특이적으로진단할수 있으며, 정신분열병치료제의스크리닝및 효능평가에이용할수 있다.
Abstract:
PURPOSE: A device and method for diagnosing schizophrenia using a heart rate variability measurement factor are provided to simply verify a medicine of schizophrenia. CONSTITUTION: A device and method for diagnosing schizophrenia(100) comprises a heart rate variability measurement unit(110), a database unit(120), and a processing unit(130). The heart rate variability measurement unit measure the heart rate variability of a subject. The database unit stores a diagnostic criteria of SampEn(sample entorpy) and LF/HF(low frequency/high frequency) through a clinical trials of a schizophrenic under predetermined conditions The processing unit calculates SampEn(sample entorpy) and LF/HF(low frequency/high frequency) using the measured data from the heart rate variability measurement unit and compares it with the diagnostic criteria.