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81.
Abstract— Spoken word recognition is characterized by multiple activation of sound patterns that are consistent with the acoustic-phonetic input. Recently, an extreme form of multiple activation was observed: Bilingual listeners activated words from both languages that were consistent with the input. We explored the degree to which bilingual multiple activation may be constrained by fine-grained acoustic-phonetic information. Ina head-mounted eyetracking experiment, we presented Spanish-English bilinguals with spoken Spanish words having word-initial stop consonants with either English- or Spanish-appropriate voice onset times. Participants fixated interlingual distractors(nontarget pictures whose English names shared a phonological similarity with the Spanish targets) more frequently than control distractors when the target words contained English-appropriate voice onset times. These results demonstrate that fine-grained acoustic-phonetic information and a precise match between input and representation are criticalfor parallel activation of two languages. 相似文献
82.
One of the oldest questions in cognitive science asks whether children are able to learn language (or anything) because they are equipped with a very powerful general-purpose learning mechanism or because they are equipped with a domain-specific constrained language acquisition device. Recent advances in statistical approaches to language learning seem to boost the plausibility of general-purpose learning. However, in this article we propose that in the domain of verb learning, children rely more on their internally generated preconceptions about linguistic structure than on robust cues in the input, suggesting that at least in this aspect of language learning, domain-specific grammatical knowledge guides linguistic development. 相似文献
83.
A.A.J. MarleyR.Duncan Luce 《Journal of mathematical psychology》2002,46(1):40-55
For binary gambles composed only of gains (losses) relative to a status quo, the rank-dependent utility model with a representation that is dense in intervals is shown to be equivalent to ten elementary properties plus event commutativity and a gamble partition assumption. The proof reduces to a (difficult) functional equation that has been solved by Aczél, Maksa, and Páles (in press). 相似文献
84.
Duncan Luce R 《Psychological review》2002,109(3):520-532
Empirically testable assumptions relate 3 psychophysical primitives: presentations of pairs of physical intensities (e.g., pure tones of the same frequency and phase to the 2 ears or 2 successive tones to both ears); a respondent's ordering of such signal pairs by perceived intensity (e.g., loudness); and judgments about 2 pairs of stimuli being related as some proportion (numerical factor, as in magnitude production). Explicit behavioral assumptions lead to 2 families of psychophysical functions, one corresponding to unbiased joint presentations and the other to biased ones. Under an invariance assumption, the psychophysical functions in the unbiased case are approximate power functions, and those in the biased case are exact power functions. A number of testable predictions are made. The mathematics involved draws from publications in utility theory and mathematics but with a reinterpretation of the primitives. 相似文献
85.
Luce MF Payne JW Bettman JR 《Organizational behavior and human decision processes》2000,81(2):181-299
This paper examines how decision makers cope when faced with trade-offs between a higher quality alternative and a lower price alternative in situations where both alternatives involve relatively unfavorable versus relatively favorable values for quality. We hypothesize that choices between alternatives defined by unfavorable quality values will generate negative emotion, resulting in emotion-focused coping behavior. Choosing the higher quality alternative (i.e., maximizing the quality attribute in choice) appears to function as a coping mechanism in these situations. These apparently coping-motivated choice effects are found even after methods are implemented to control for more cognitive factors associated with manipulations of quality-attribute value, such as the possibility that unfavorable attribute values are associated with increased attribute ranges and therefore increased relative importance for quality. 相似文献
86.
McLennan CT Luce PA Charles-Luce J 《Journal of experimental psychology. Learning, memory, and cognition》2003,29(4):539-553
The authors attempted to determine whether surface representations of spoken words are mapped onto underlying, abstract representations. In particular, they tested the hypothesis that flaps--neutralized allophones of intervocalic /t/s and /d/s--are mapped onto their underlying phonemic counterparts. In 6 repetition priming experiments, participants responded to stimuli in 2 blocks of trials. Stimuli in the 1st block served as primes and those in the 2nd as targets. Primes and targets consisted of English words containing intervocalic /t/s and /d/s that, when produced casually, were flapped. In all 6 experiments, reaction times to target items were measured as a function of prime type. The results provide evidence for both surface and underlying form-based representations. 相似文献
87.
Furman O Dorfman N Hasson U Davachi L Dudai Y 《Learning & memory (Cold Spring Harbor, N.Y.)》2007,14(6):457-467
We measured long-term memory for a narrative film. During the study session, participants watched a 27-min movie episode, without instructions to remember it. During the test session, administered at a delay ranging from 3 h to 9 mo after the study session, long-term memory for the movie was probed using a computerized questionnaire that assessed cued recall, recognition, and metamemory of movie events sampled ~20 sec apart. The performance of each group of participants was measured at a single time point only. The participants remembered many events in the movie even months after watching it. Analysis of performance, using multiple measures, indicates differences between recent (weeks) and remote (months) memory. While high-confidence recognition performance was a reliable index of memory throughout the measured time span, cued recall accuracy was higher for relatively recent information. Analysis of different content elements in the movie revealed differential memory performance profiles according to time since encoding. We also used the data to propose lower limits on the capacity of long-term memory. This experimental paradigm is useful not only for the analysis of behavioral performance that results from encoding episodes in a continuous real-life-like situation, but is also suitable for studying brain substrates and processes of real-life memory using functional brain imaging. 相似文献
88.
Recent neuroimaging results suggest that distinct regions within the medial temporal lobe (MTL) may differentially support
the episodic encoding of item and relational information for nonemotional stimuli (for a review, see Davachi, 2006). The present
study was designed to assess whether these findings generalize to emotional stimuli. Behaviorally, we found that emotion reduced
item recognition accuracy but did not reliably affect relational memory. fMRI analyses revealed that neutral and emotional
words elicited distinct activation patterns within MTL regions predictive of subsequent memory. Consistent with previous findings
for neutral words, hippocampal activation predicted later relational memory, whereas activation in the perirhinal cortex predicted
successful item recognition. However, for emotional words, activation in the amygdala, hippocampus, and posterior parahippocampal
cortex predicted item recognition only. These data suggest that MTL regions differentially support encoding of neutral and
emotional stimuli. 相似文献
89.
90.