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101.
Robert W. Isenhower Michael J. Richardson Claudia Carello Reuben M. Baron Kerry L. Marsh 《Psychonomic bulletin & review》2010,17(3):342-347
Understanding the physical and interpersonal constraints that afford cooperation during real-world tasks requires consideration
of the fit between the environment and task-relevant dimensions of coactors and the coactors’ fit with each other. In the
present study, we examined how cooperation can emerge during ongoing interaction using the simple task of two actors’ moving
long wooden planks. The system dynamics showed hysteresis: A past-action mode persisted when both solo and joint actions were
possible. Moreover, pairs whose arm spans were both short, both long, or mismatched made action-mode transitions at similar
points, when scaled by a relational measure. The relational measure of plank length to arm span was dictated by the pair member
with the shorter arm span, who, thus, had a greater need to cooperate during the task. The results suggest that understanding
affordances for cooperation requires giving more consideration to constraints imposed by the fit between coactors’ action
capabilities. 相似文献
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The use of self-organizing feature maps (SOFM) in models of cognitive development has frequently been associated with explanations of critical or sensitive periods. By contrast, error-driven connectionist models of development have been linked with catastrophic interference between new knowledge and old knowledge. We introduce a set of simulations that systematically evaluate the conditions under which SOFMs demonstrate critical/sensitive periods in development versus those under which they display interference effects. We explored the relative contribution of network parameters (for example, whether learning rate and neighbourhood reduce across training), the representational resources available to the network, and the similarity between old and new knowledge in determining the functional plasticity of the maps. The SOFMs that achieved the best discrimination and topographic organization also exhibited sensitive periods in development while showing lower plasticity and hence limited interference. However, fast developing, coarser SOFMs also produced topologically organized representations, while permanently retaining their plasticity. We argue that the impact of map organization on behaviour must be interpreted in terms of the cognitive processes that the map is driving. 相似文献
104.
In three experiments, a rat's lever presses could postpone timeouts from food pellets delivered on response-independent schedules. In Experiment 1, the pellets were delivered at variable-time (VT) rates ranging from VT 0.5 to VT 8 min. Experiment 2 replicated the VT 1 min and VT 8 min conditions of Experiment 1 with new subjects. Finally, subjects in Experiment 3 could postpone timeouts from delivery of pellets that differed in quality rather than quantity (unsweetened versus sweetened pellets). In general, response rates and success in avoiding increased as a function of the rate and quality of the pellets. Also, performance efficiency increased as the experiments progressed, that is, the avoidance response occurred later and later in the response-timeout interval. The results support the conclusion that timeout from reinforcement has functional properties similar to those of more commonly studied aversive stimuli (e.g., shock). 相似文献
105.
Sylvia K. Harmon-Jones Rick Richardson 《British journal of psychology (London, England : 1953)》2022,113(2):455-478
Here, we examined retrospective reports of adults’ earliest autobiographical memory, the age of this report and whether the reported age was associated with exposure to early life adversity, current anxiety and childhood attachment. Across four studies, we found that reporting a later ‘earliest’ memory was associated with higher self-reported anxiety in both American (Studies 1, 2 and 4) and Australian (Study 3) samples. Furthermore, in Studies 2–4, we found that reporting a later earliest memory uniquely predicted anxiety when controlling for number of adverse childhood events (a risk factor for the development of anxiety). In Study 4, we established that this relation is partially mediated by childhood anxious attachment. Although we consistently demonstrated that later earliest memories were associated with current anxiety, we found little evidence for a relation between reported age at the time of earliest memory and childhood adversity. We also found no evidence of gender differences in the associations of interest. These results suggest that poorer memory of early childhood is associated with greater childhood anxious attachment and anxiety in adulthood. The implications of this work are discussed in terms of the adaptive nature of autobiographical memory and the development of a coherent life narrative. 相似文献
106.
Chesnut Ryan P. Richardson Cameron B. Morgan Nicole R. Bleser Julia A. Mccarthy Kimberly J. Perkins Daniel F. 《Journal of religion and health》2022,61(4):3384-3401
Journal of Religion and Health - This study assessed the Moral Injury Symptoms Scale – Military Version – Short Form’s (MISS-M-SF) factor structure and construct validity.... 相似文献
107.
Thomas M Piasecki Alison E Richardson Shawn M Smith 《Psychology of addictive behaviors》2007,21(3):328-337
College student smokers (N = 50) were asked to carry electronic diaries for 14 days and record smoking events (n = 1,139). They indicated why they were smoking each cigarette on a checklist of potential motives. Results suggest that a desire to reduce craving (62.8% of occasions) and habit/automatic processes (42.8%) were the most frequent motives. More dependent and daily smokers were especially likely to endorse smoking to reduce craving and for habit/automatic reasons and were less likely to cite coping with negative emotion as a reason for smoking. Dependent and daily smokers were more likely to endorse at least 1 dependence-like motive and were less likely to exclusively attribute smoking to nondependence motives. Self-monitored motives appeared valid, according with conceptually related states, activities, and events in the diary records. Diary-recorded motives were compared with smokers' responses to a retrospective motives questionnaire administered at baseline. The 2 assessment modes produced discrepant estimates of the most influential motivational processes. Questionnaire responses incompletely forecast conceptually similar diary-reported motives. Dependence and daily smoking showed a different pattern of associations with diary-based versus retrospective motives measures. 相似文献
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Musical structure is complex, consisting of a small set of elements that combine to form hierarchical levels of pitch and temporal structure according to grammatical rules. As with language, different systems use different elements and rules for combination. Drawing on recent findings, we propose that music acquisition begins with basic features, such as peripheral frequency-coding mechanisms and multisensory timing connections, and proceeds through enculturation, whereby everyday exposure to a particular music system creates, in a systematic order of acquisition, culture-specific brain structures and representations. Finally, we propose that formal musical training invokes domain-specific processes that affect salience of musical input and the amount of cortical tissue devoted to its processing, as well as domain-general processes of attention and executive functioning. 相似文献