Electrophysiological and Psychological Parameters of Learning in Medical Students with High Trait Anxiety
Date Issued
2018
Author(s)
Adrijan Božinovski
DOI
10.1007/978-3-030-00825-3_4
Abstract
The aim of the study was to evaluate the learning process in 30
subjects with high trait anxiety (mean TMAS score = 33.9 ± 6.7) and in 30
subjects with low trait anxiety (mean TMAS score = 7.5 ± 2.9) aged 19 to 22
years, using psycho-physiological and psychological tests. The electroexpecto gram (EXG) paradigm and a computerized psychological test of pattern
recognition (P-R) were used. The Taylor Manifest Anxiety Scale (TMAS) was
used for the evaluation of the levels of trait anxiety. The EXG paradigm is an
experimental design which is a modified and an expanded auditory CNV
paradigm. Based on a biofeedback design, the occurrence of the S2 tone in the
EXG paradigm depends on the amplitude of the CNV potential recorded from
Cz. If CNV reaches a predefined threshold level, the S2 tone turns off, which
causes an extinction of the CNV potential after several consecutive trials.
Electrophysiological parameters of the associative learning were: duration of the
acquisition and the extinction of the conditioned response, mean amplitude of
the contingent negative variation (CNV) during the blocks of acquisition and the
extinction of the conditioned response and the speed of the motor response.
Psychological parameters included: number of mistakes, number of trials, and
time necessary for the P-R test to be completed, as well as the learning efficiency
index. The results of the study suggest that subjects with high trait level show
significantly slower and less efficient learning process during more complex
cognitive tasks compared to subjects with low levels of trait anxiety
subjects with high trait anxiety (mean TMAS score = 33.9 ± 6.7) and in 30
subjects with low trait anxiety (mean TMAS score = 7.5 ± 2.9) aged 19 to 22
years, using psycho-physiological and psychological tests. The electroexpecto gram (EXG) paradigm and a computerized psychological test of pattern
recognition (P-R) were used. The Taylor Manifest Anxiety Scale (TMAS) was
used for the evaluation of the levels of trait anxiety. The EXG paradigm is an
experimental design which is a modified and an expanded auditory CNV
paradigm. Based on a biofeedback design, the occurrence of the S2 tone in the
EXG paradigm depends on the amplitude of the CNV potential recorded from
Cz. If CNV reaches a predefined threshold level, the S2 tone turns off, which
causes an extinction of the CNV potential after several consecutive trials.
Electrophysiological parameters of the associative learning were: duration of the
acquisition and the extinction of the conditioned response, mean amplitude of
the contingent negative variation (CNV) during the blocks of acquisition and the
extinction of the conditioned response and the speed of the motor response.
Psychological parameters included: number of mistakes, number of trials, and
time necessary for the P-R test to be completed, as well as the learning efficiency
index. The results of the study suggest that subjects with high trait level show
significantly slower and less efficient learning process during more complex
cognitive tasks compared to subjects with low levels of trait anxiety
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