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71.
Infants attune to their birth language during the second half of infancy. However, internationally adopted children are often uniquely required to attune to their birth language, and then reattune to their adoptive language. Children who were adopted from India into America at ages 6-60 months (N = 8) and had minimal further exposure to their birth languages were compared to age-matched American non-adopted controls. Without training, neither group could discriminate a phonemic contrast that occurs in their birth language but not in English. However, after training on the contrast, the adopted group (N = 8) improved significantly and discriminated the contrast more accurately than their non-adopted peers. While English had explicitly replaced the birth language of the adopted sample, traces of early exposure conferred privileges on subsequent learning. These findings are consistent with behavioral and neurophysiological data from animals that have identified some of the mechanisms underlying such a 'retention without further use' phenomenon. 相似文献
72.
Emotion regulation decreases the processing of arousing stimuli, as indexed by the late positive potential (LPP), an electrocortical
component that varies in amplitude with emotional arousal. Emotion regulation increases activity in the prefrontal areas associated with cognitive control, including the dosolateral prefrontal cortex (DLPFC).
The present study manipulated working memory load, known to activate the DLPFC, and recorded the LPP elicited by aversive
and neutral IAPS pictures presented during the retention interval. The LPP was larger on low-load compared to high-load trials,
and on trials with aversive compared to neutral pictures. These LPP data suggest that emotional content and working memory
load have opposing effects on attention to distracting stimuli. State anxiety was associated with reduced modulation of the
LPP by working memory load. Results are discussed in terms of competition for attention between emotion and cognition and
suggest a relationship between DLPFC activation and the allocation of attentional resources to distracting visual stimuli–a
relationship that may be disrupted with increasing anxiety. 相似文献
73.
74.
Oculomanual coordination was investigated in 9 healthy subjects during tracking of pseudorandom motion stimuli. Each subject was required to track visual stimuli under eye-hand (EH) and eye-alone (EA) conditions. Subjects were exposed to 3 types of mixed sinusoidal stimulus with varying frequency or amplitude of the highest frequency component, or various degrees of irregularity. Progressive degradation in tracking performance was nonlinearly induced by an increase in either (a) the highest frequency component or (b) its amplitude, but not by stimulus irregularity. No significant difference was found in eye velocity gain and phase under the EH and EA conditions. Eye and hand responses were found to be highly correlated in gain and phase when compared across frequencies and motion stimuli. The results suggest that frequency and amplitude are dominant factors controlling the breakdown of oculomanual performance in response to pseudorandom stimuli. Frequency responses of smooth pursuit eye movements are not affected by the hand motion in pursuit of unpredictable stimuli. Eye and hand motor systems appear to share common nonlinear drive mechanisms when pursuing pseudorandom target motion stimuli. 相似文献
75.
The Psychological Record - Relational Frame Theory (RFT) views derived relational responding as an overarching operant class of behavior. One approach to the analysis of derived relations from the... 相似文献
76.
Experimental analyses of human sexual arousal have been decidedly sparse. Recent developments in the analysis of derived relational responding, however, have opened the way for a modern behavior-analytic treatment of complex or "novel" human behavior, including specific instances of human sexual arousal. The current article examines some of these developments and their relevance to the analysis of emotional behavior, with a focus on sexual arousal. Recent research that has examined the acquisition of sexual stimulus functions within a relational frame paradigm is then outlined. Finally, a series of relational frame interpretations of a variety of human sexual arousal phenomena is offered. 相似文献
77.
78.
Gordon E. Barnes Neil M. Malamuth James V.P. Check 《Personality and individual differences》1984,5(2):159-172
Although Eysenck's book Sex and Personality would seem to have broad implications for understanding sexual behavior, there has been relatively little empirical research that has attempted to test Eysenck's theory. The present research tested aspects of this theory by examining the correlations between personality characteristics and a variety of sexual attitudes and behavior in a sample of male Canadian college students. Results were, for the most part, supportive of Eysenck's theory. Extraverts were characterized by a hedonistic outlook on sex and by more active participation in a variety of sexual activities. High P scorers were characterized by more favorable attitudes to and enjoyment of force and unconventional sexual activities. Correlations with the N scale were, in general, not statistically significant. High L scores were associated with more negative attitudes toward sex, and lower reporting for virtually all types of sexual activity. 相似文献
79.
Timothy R. Barnes Eileen M. Cassidy Joann M. Ninfa Margaret M. Yago Marsha J. Barnes 《Memory & cognition》1978,6(6):607-611
The present experiment compares the shift performance of four groups on the following types of shift problems: a component problem following a previous component problem with a different relevant dimension, a component problem following a compound problem, a compound problem following a previous compound problem with a different relevant dimension, and a compound problem following a component problem. Facilitation of shift performance was found following prior solution of a problem of the same type either compound or component, while interference resulted from prior solution of the other type of problem. The shift effects are interpreted in terms of Levine’s (1974, 1975) transfer hypothesis and an extension of the attention theory of Zeaman and House (1963, 1974). 相似文献
80.
Eric Barnes 《Synthese》1991,88(3):309-339
This paper proposes a solution to David Miller's Minnesotan-Arizonan demonstration of the language dependence of truthlikeness (Miller 1974), along with Miller's first-order demonstration of the same (Miller 1978). It is assumed, with Peter Urbach, that the implication of these demonstrations is that the very notion of truthlikeness is intrinsically language dependent and thus non-objective. As such, truthlikeness cannot supply a basis for an objective account of scientific progress. I argue that, while Miller is correct in arguing that the number of true atomic sentences of a false theory is language dependent, the number of known sentences (under certain straightforward assumptions) is conserved by translation; degree of knowledge, unlike truthlikeness, is thus a linguistically invariant notion. It is concluded that the objectivity of scientific progress must be grounded on the fact (noted in Cohen 1980) that knowledge, not mere truth, is the aim of science.For criticism and comments I am indebted to Noretta Koertge, David Miller, and an anonymous Synthese referee. 相似文献