65 KB868 KB55 KB199220252011Mihelj, MatjažMilavec, MajaMunih, MarkoNovak, Domenletnik:20številka:4str. 95-114ISSN:1318-1874COBISSID:8872020URN:URN:NBN:SI:doc-CT8GNOIQslDruštvo psihologov SlovenijePsihološka obzorja (Ljubljana)behavioral activation systembehavioral inhibition systemBIS/BAS scalescerebrovascular accidentsLestvica BIS/BASLestvica SAMmotivacijamotivacijski sistem umikamotivationmožganska kapnagrajevalni motivacijski sistempsihofiziologijapsychophysiologyrehabilitacijarehabilitacijske nalogerehabilitationrehabilitation tasksSelf-assessment manikin (SAM)strokeStroop colour word testStroopov barvno-besedni testvocational rehabilitationVpliv občutljivosti motivacijskih sistemov BIS in BAS na izvajanje rehabilitacijskih nalog po možganski kapi| The effect of the sensitivity of the BAS i.e. BIS and BAS motivational systems on performance in stroke rehabilitation tasks|Stroke rehabilitation programs are often too short and not intensive enough, possibly due to a lack of patient motivation. This study examined whether the patient's mood, task success and psychophysiological responses are affected bythe sensitivity of two motivational systems: the Behavioral Activation System (BAS) and the Behavioral Inhibition System (BIS). 22 subacute stroke patients participated in the study. They performed an easier and harder version of a motor rehabilition task as well as the Stroop task. The sensitivities of the two motivational systems were measured using the BIS/BAS scale. Additionally, psychophysiological measurements (heart rate, skin conductance, respiration and skin temperature) were taken and the Self-Assessment Manikin was used to measure self-reported valence and arousal. Results showed that valence and arousal are not significantly correlated with BIS/BAS subscales during the rehabilitation task. A negative correlation between valence and the BAS subscales was found in the Stroop task. Results also confirmed the initial hypothesis that the BAS would be correlated with task performance during the rehabilitation task while the BIS would be negatively correlated with task performance during the Stroop task. Only partial confirmation was found for the hypothesis that tasks that includea reward would affect heart rate in subjects with a sensitive BAS while tasks without a reward would affect skin conductance in subjects with a sensitive BIS. In both versions of the rehabilitation task, which includes a reward, the BAS reward subscale was negatively correlated with mean skin temperature. In the harder rehabilitation task, the BAS reward responsiveness subscale was positively correlated with mean heart rate. In the Stroop task, which has no reward, the BIS scale was positively correlated with mean heart rate. The BAS subscale was also negatively correlated with the RMSSD measure of heart rate variability. The results of the study suggest that rehabilitation task designers should take the subject's BIS/BAS motivational systems into account when designing the task rewards and difficultyRehabilitacijski programi po možganski kapi so pogosto prekratki in premalo intenzivni, za kar je možen razlog pomanjkanje motivacije pacienta. V raziskavi smo želeli preveriti, ali na počutje pacienta, uspešnost pri nalogah in na psihofiziološke mere vpliva tudi občutljivost motivacijskih sistemov BIS (Behavioral Inhibition System) in BAS (Behavioral Activation System). V raziskavi je sodelovalo 22 udeležencev v subakutni fazi možganske kapi, ki so opravljali lažjo in težjo različico rehabilitacijske naloge ter Stroopovo nalogo. Občutljivost motivacijskih sistemov smo merili z Lestvico BIS/BAS, poleg tega pa smo uporabili tudi psihofiziološke odzive (srčni utrip, prevodnost kože, dihanje in temperaturo kože) ter mere valence in budnosti. Rezultati so pokazali, da se pri izvajanju rehabilitacijskih nalog valenca in budnost ne povezujeta z merama BIS in BAS, pri izvajanju Stroopove naloge pa je valenca negativno povezana s podlestvicami sistema BAS. Rezultati so potrdili postavljeno hipotezo, da bo sistem BAS povezan z uspešnostjo pri rehabilitacijskih nalogah in BIS negativno povezan z uspešnostjo pri Stroopovi nalogi. Rezultati so le delno potrdili hipotezo, da bodo naloge z nagrado pri osebah z bolj občutljivim sistemom BAS izzvale povečan srčni utrip, naloga, ki ne vsebuje nagrade, pa bo pri osebah z bolj občutljivim sistemom BIS izzvala povečano prevodnost kože. Pri obeh različicah rehabilitacijske naloge, ki vsebujeta nagrado, je bila podlestvica BAS nagrada negativno povezana s povprečno temperaturo kože. Pri težji različici se je s povprečnim srčnim utripom pozitivno povezovala podlestvica BAS potrebe, pri Stroopovi nalogi, ki ne vsebuje nagrade, pa se je s povprečnim srčnim utripom pozitivno povezovala podlestvica BIS. Slednja se je negativno povezovala tudi z mero RMSSD. Glede na rezultate raziskave bi bilo smiselno razmisliti o pomenu nagrad in težavnosti nalog glede na izraženost motivacijskih sistemov pri posameznikuTEXTznanstveno časopisjejournalsSlovenian National E-content AggregatorNational and University Library of SloveniaDruštvo psihologov Slovenije