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261.
《Journal of motor behavior》2012,44(1):58-70
AbstractThe present study investigates the effect of sensory deprivation of the index and middle finger on motor function of all digits during maximal voluntary force production tasks. A total of 27 subjects performed maximal isometric pressing tasks by using different instructed finger combinations. Subjects completed the same tasks in two visits: a control visit when they had normal sensory feedback in all fingers, and an anesthesia visit when digital nerve blocks were performed on their right index and middle fingers. We evaluated three aspects of motor adaptation on both local (anesthetized) and non-local (non-anesthetized) digits during maximal force production: (1) task-relevant and overall force magnitude, (2) force directional application, and (3) digital individuation and force sharing. Our results indicate that selective digital anesthesia resulted in decreased maximal force magnitude, changed direction of force production, and significant changes extended to non-local digits. The motor weakness and inefficiency revealed in the non-local digits implies that sensory information from each digit can be shared across the digits to assist motor execution within the same hand. 相似文献
262.
Frank C. P. van der Horst Karin Zetterqvist Nelson Lenny van Rosmalen René van der Veer 《Journal of the history of the behavioral sciences》2020,56(3):169-185
Attachment theory, developed by child psychiatrist John Bowlby, is considered a major theory in developmental psychology. Attachment theory can be seen as resulting from Bowlby's personal experiences, his psychoanalytic education, his subsequent study of ethology, and societal developments during the 1930s and 1940s. One of those developments was the outbreak of World War II and its effects on children's psychological wellbeing. In 1950, Bowlby was appointed WHO consultant to study the needs of children who were orphaned or separated from their families for other reasons and needed care in foster homes or institutions. The resulting report is generally considered a landmark publication in psychology, although it subsequently met with methodological criticism. In this paper, by reconstructing Bowlby's visit to several European countries, on the basis of notebooks and letters, the authors shed light on the background of this report and the way Bowlby used or neglected the findings he gathered. 相似文献
263.
Ana I. Gheorghiu Mitchell J. Callan William J. Skylark 《Journal of applied social psychology》2021,51(9):946-961
Previous research has found a negative relationship between individual differences in personal relative deprivation (PRD; i.e., resentment stemming from the belief that one is worse off than similar others) and prosociality. Whether PRD causes reductions in people's willingness to act for the benefit of others, however, is yet to be established. Across six studies, we experimentally examined whether experiences of PRD via unfavorable (vs. favorable or lateral) social comparisons of affluence reduced prosociality toward known others and strangers. We found that making hypothetical (Study 1) or real (Study 2) unfavorable social comparisons of affluence in workplace contexts reduced participants’ organizational citizenship behavioral intentions. Furthermore, adverse social comparisons of affluence reduced generosity toward the targets of those comparisons during a Dictator Game (Studies 3 to 6). Across studies, we also measured participants’ subjective and objective socioeconomic status and found, contrary to previous theory and research, no consistent relationship between status and prosociality and no modulation of this relationship by either local or macro-level inequality. These results suggest that local, specific interpersonal comparisons of affluence play a more dominant role in people's willingness to act for the benefit of a comparison target than do their subjective or objective class rank or the prevailing income inequality of the state in which they reside. 相似文献
264.
265.
This paper presents a progic, or probabilistic logic, in the sense of Haenni et al. [8]. The progic presented here is based on Bayesianism, as the progic discussed by Williamson [15]. However, the underlying generalised Bayesianism differs from the objective Bayesianism used by Williamson, in the calibration norm, and the liberalisation and interpretation of the reference probability in the norm of equivocation. As a consequence, the updating dynamics of both Bayesianisms differ essentially. Whereas objective Bayesianism is based on a probabilistic re-evaluation, orthodox Bayesianism is based on a probabilistic revision. I formulate a generalised and iterable orthodox Bayesian revision dynamics. This allows to define an updating procedure for the generalised Bayesian progic. The paper compares the generalised Bayesian progic and Williamson's objective Bayesian progic in strength, update dynamics and with respect to language (in)sensitivity. 相似文献
266.
Marina A. Zhukova Sergey A. Kornilov Stella N. Tseitlin Marina B. Eliseeva Elena A. Vershinina Rifkat J. Muhamedrahimov Elena L. Grigorenko 《The British journal of developmental psychology》2020,38(2):239-254
Children abandoned to institutions display a host of developmental delays, including those involving general cognition and language. The majority of published studies focus on children over 3 years of age; little is known about whether these delays may be detected earlier when children undergo rapid lexical development. To investigate the early language development of children raised in institutional settings in the Russian Federation, we compared a group of children in institutional care (n = 36; 8–35 months) to their age-matched peers raised in biological families, who have never been institutionalized (n = 72) using the Russian version of the CDI. The results suggest that institutionalization is associated with pronounced delays in children's early language development with large and robust effect sizes. Among children with a history of institutionalization, these delays are also associated with difficulties in Daily Living skills, communication, and socialization. 相似文献