Magda K Wielewska, Julia M Godzwon, Kacper Gargul, Emma Nawrocka, Kinga Konopka, Krzysztof Sobczak, Agata Rudnik, Agata Zdun-Ryzewska
Comparing Students of Medical and Social Sciences in Terms of Self-Assessment of Perceived Stress, Quality of Life, and Personal Characteristics
Frontiers in psychology
many obsessivecompulsive disorder ocd patients experience sensory phenomena bodily sensations justright perceptions accompanying compulsions studied tactile processing ocd psychophysical experiments targeting somatosensory cortex thirtytwo children adolescents ocd 8 ticrelated 19 sensory phenomena sp sex agematched controls participated study clinical assessments two questionnaires completed sensory problems sensory profile touch inventory elementaryschoolaged children psychophysical experiments consisted five tasks simple reaction time choice reaction time dynamic detection threshold amplitude discrimination amplitude discrimination singlesite adaptation tactile stimuli sinusoidal mechanical vibrations frequency 25 hz applied fingertips justnoticeable differences jnds found amplitude discrimination tasks difference ocd group controls detection thresholds however ocd group especially young males worse amplitude discrimination ie higher jnds controls young ocd participants reduced adaptation young controls ticrelated ocd participants sp higher detection thresholds without additionally ocd group reported problems controls emotionalsocial subset sensory profile questionnaire discrimination results show altered tactile processing ocd suprathreshold levels explained scaling factor modifying sensory signal decreasing slope higher input levels achieve normal weber fractions internally quadratic discriminant analysis gave best positive 76 negative 60 predictive values classifying individuals ocd control groups based psychophysical data alone