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21.
This article discusses how sequential sampling models can be integrated in a cognitive architecture. The new theory Retrieval by Accumulating Evidence in an Architecture (RACE/A) combines the level of detail typically provided by sequential sampling models with the level of task complexity typically provided by cognitive architectures. We will use RACE/A to model data from two variants of a picture-word interference task in a psychological refractory period design. These models will demonstrate how RACE/A enables interactions between sequential sampling and long-term declarative learning, and between sequential sampling and task control. In a traditional sequential sampling model, the onset of the process within the task is unclear, as is the number of sampling processes. RACE/A provides a theoretical basis for estimating the onset of sequential sampling processes during task execution and allows for easy modeling of multiple sequential sampling processes within a task. 相似文献
22.
Janssen D Schöllhorn WI Newell KM Jäger JM Rost F Vehof K 《Human movement science》2011,30(5):966-975
The aim of the study was to train and test support vector machines (SVM) and self-organizing maps (SOM) to correctly classify gait patterns before, during and after complete leg exhaustion by isokinetic leg exercises. Ground reaction forces were derived for 18 gait cycles on 9 adult participants. Immediately before the trials 7–12, participants were required to completely exhaust their calves with the aid of additional weights (44.4 ± 8.8 kg). Data were analyzed using: (a) the time courses directly and (b) only the deviations from each individual’s calculated average gait pattern. On an inter-individual level the person recognition of the gait patterns was 100% realizable. Fatigue recognition was also highly probable at 98.1%. Additionally, applied SOMs allowed an alternative visualization of the development of fatigue in the gait patterns over the progressive fatiguing exercise regimen. 相似文献
23.
24.
Jurriaan Witteman Katharina S. Goerlich-Dobre Sander Martens André Aleman Vincent J. Van Heuven Niels O. Schiller 《Cognitive, affective & behavioral neuroscience》2014,14(3):1104-1114
Recent evidence suggests a relative right-hemispheric specialization for emotional prosody perception, whereas linguistic prosody perception is under bilateral control. It is still unknown, however, how the hemispheric specialization for prosody perception might arise. Two main hypotheses have been put forward. Cue-dependent hypotheses, on the one hand, propose that hemispheric specialization is driven by specialization for the non-prosody-specific processing of acoustic cues. The functional lateralization hypothesis, on the other hand, proposes that hemispheric specialization is dependent on the communicative function of prosody, with emotional and linguistic prosody processing being lateralized to the right and left hemispheres, respectively. In the present study, the functional lateralization hypothesis of prosody perception was systematically tested by instructing one group of participants to evaluate the emotional prosody, and another group the linguistic prosody dimension of bidimensional prosodic stimuli in a dichotic-listening paradigm, while event-related potentials were recorded. The results showed that the right-ear advantage was associated with decreased latencies for an early negativity in the contralateral hemisphere. No evidence was found for functional lateralization. These findings suggest that functional lateralization effects for prosody perception are small and support the structural model of dichotic listening. 相似文献
25.
Terri G. Seuntjens Marcel Zeelenberg Seger M. Breugelmans Niels van de Ven 《British journal of psychology (London, England : 1953)》2015,106(3):505-525
Although greed is both hailed as the motor of economic growth and blamed as the cause of economic crises, very little is known about its psychological underpinnings. Five studies explored lay conceptualizations of greed among US and Dutch participants using a prototype analysis. Study 1 identified features related to greed. Study 2 determined the importance of these features; the most important features were classified as central (e.g., self‐interested, never satisfied), whereas less important features were classified as peripheral (e.g., ambition, addiction). Subsequently, we found that, compared to peripheral features, participants recalled central features better (Study 3), faster (Study 4), and these central features were more present in real‐life episodes of greed (Study 5). These findings provide a better understanding of the elements that make up the experience of greed and provide insights into how greed can be manipulated and measured in future research. 相似文献
26.
The effect of different formats on the accuracy of dating news and the distribution of personal events was examined in four conditions. In the first, participants had to date events in the absolute time format (e.g., "July 2004"), and in the second, they had to date events in the relative time format (e.g., "3 weeks ago"). In the other conditions, they were asked to choose between the two formats. We found a small backward telescoping effect for recent news events and a large forward telescoping effect for remote events. Events dated in the absolute time format were more accurate than those dated in the relative time format. Furthermore, participants preferred to date news events with the relative time format and personal events with the absolute time format, as well as preferring to date remote events in the relative time format and recent events in the absolute time format. 相似文献
27.
Correlation Weights in Multiple Regression 总被引:1,自引:0,他引:1
A general theory on the use of correlation weights in linear prediction has yet to be proposed. In this paper we take initial
steps in developing such a theory by describing the conditions under which correlation weights perform well in population
regression models. Using OLS weights as a comparison, we define cases in which the two weighting systems yield maximally correlated
composites and when they yield minimally similar weights. We then derive the least squares weights (for any set of predictors)
that yield the largest drop in R
2 (the coefficient of determination) when switching to correlation weights. Our findings suggest that two characteristics of
a model/data combination are especially important in determining the effectiveness of correlation weights: (1) the condition
number of the predictor correlation matrix, R
xx
, and (2) the orientation of the correlation weights to the latent vectors of R
xx
. 相似文献
28.
Matthew P. Martens Jack C. Watson II Niels C. Beck 《Journal of Applied Sport Psychology》2013,25(2):136-150
Prior research has found that (a) intercollegiate athletes are especially “at-risk” for excessive alcohol consumption (e.g., Nelson & Wechsler, 2001), and (b) sport-type differences exist among college athletes in terms of yearly drinking prevalence rates (National Collegiate Athletic Association, 2001). No studies, however, have examined sport-type differences on more specific measures of alcohol consumption (e.g., drinks per week), or examined potential mediators of the relationship between sport type and alcohol consumption. In the present study, data were analyzed on 298 intercollegiate athletes from two different universities. Resuls indicated significant sport type differences on alcohol consumption variables, with athletes from the sports of swimming and diving reporting the highest levels of alcohol consumption. Results provided partial support for the role of positively reinforcing drinking motives in mediating the sport type–alcohol consumption relationship. Findings are discussed in light of prior research in the area of college student–athlete alcohol consumption. 相似文献
29.
Paul Vermeer Jacques Janssen Peer Scheepers 《The International journal for the psychology of religion》2013,23(1):42-59
This study was designed to explore the effect of authoritative parenting, over and above the effect of explicitly religious parenting practices, on the juvenile and adult church attendance of offspring. Data were collected as part of a panel study in which 474 Dutch respondents were questioned in 1983 as youths and in 2007 as adults. In 2007 the respondents retrospectively answered questions about how they were raised by their parents. Analyses revealed that juvenile church attendance depends mainly on parental and more specifically on maternal church attendance, whereas adult church attendance is largely an outcome of juvenile church attendance. No effects of an authoritative parenting style, that is, a simultaneous effect of responsiveness, strict control, and the granting of psychological autonomy as the three dimensions of authoritative parenting distinguished in this study, were observed. Only the dimension of strict control turned out to be a negative determinant of adult church attendance. 相似文献
30.