National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Suppression of the responsive component of electrodermal activity
Vraný, Jakub ; Vičar, Tomáš (referee) ; Kolářová, Jana (advisor)
Electrodermal acitivity is a kind of electrochemical signal generated with relation to activity of the autonomic nervous system that stimulates the sweat glands. In this way, is it possible to measure the activity of the sympathetic part of the nerve systém and evaluate the cognitive stress of the treated person, which is manifested by responsive signals in EDA record, respectively to increased occurence of responses. The aim of this work is to design a deep learning algorithm for the identification of this component in the record of data taken from UBMI database. The recordings contain a sequence of measurements the conductance of the skin of patient, who was subjected alternately to the states of rest and subsequently a state of mental stress. The data were annotated according to presence of the responsive components occuring in the records of EDA. Subsequently, a suitable deep learning algorithm was implemented in order to classify the responsive components in the measured EDA signal. The neural network model has been taught, optimized and implemented on the measurement samples using annotated data. The obtained results data were statistically evaluated to qualify the success of the classification of responsive components and differences in the records of mental calm and stress. The results of the classification and comparison of EDA records measured at different conditions of the patient were discussed subsequently.
Suppression of the responsive component of electrodermal activity
Vraný, Jakub ; Vičar, Tomáš (referee) ; Kolářová, Jana (advisor)
Electrodermal acitivity is a kind of electrochemical signal generated with relation to activity of the autonomic nervous system that stimulates the sweat glands. In this way, is it possible to measure the activity of the sympathetic part of the nerve systém and evaluate the cognitive stress of the treated person, which is manifested by responsive signals in EDA record, respectively to increased occurence of responses. The aim of this work is to design a deep learning algorithm for the identification of this component in the record of data taken from UBMI database. The recordings contain a sequence of measurements the conductance of the skin of patient, who was subjected alternately to the states of rest and subsequently a state of mental stress. The data were annotated according to presence of the responsive components occuring in the records of EDA. Subsequently, a suitable deep learning algorithm was implemented in order to classify the responsive components in the measured EDA signal. The neural network model has been taught, optimized and implemented on the measurement samples using annotated data. The obtained results data were statistically evaluated to qualify the success of the classification of responsive components and differences in the records of mental calm and stress. The results of the classification and comparison of EDA records measured at different conditions of the patient were discussed subsequently.

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