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371.
    
We compared young and older adults’ speech during an error detection task, with some pictures containing visual errors and anomalies and other pictures error-free. We analyzed three disfluency types: mid-phrase speech fillers (e.g., It’s a little, um, girl), repetitions (e.g., He’s trying to catch the- the birds), and repairs (e.g., She- you can see her legs). Older adults produced more mid-phrase fillers than young adults only when describing pictures containing errors. These often reflect word retrieval problems and represent clear disruptions to fluency, so this interaction indicates that the need to form and maintain representations of novel information can specifically compromise older adults’ speech fluency. Overall, older adults produced more repetitions and repairs than young adults, regardless of picture type, indicating general age-related increases in these disfluencies. The obtained patterns are discussed in the context of the Transmission Deficit Hypothesis and other approaches to age-related changes in speech fluency.  相似文献   
372.
    
There is significant disagreement among feminists and liberals about the compatibility between the two doctrines. Political liberalism has come under particular criticism from feminists, who argue that its restricted form of equality is insufficient. In contrast, Lori Watson and Christie Hartley argue that political liberalism can and must be feminist. This article raises three areas of disagreement with Watson and Hartley’s incisive account of feminist political liberalism. First, it argues that an appeal to a comprehensive doctrine can be compatible with respecting others, if that appeal is to the value of equality. Second, it takes issue with Watson and Hartley's defence of religious exemptions to equality law. Third, it argues that political liberalism can be compatible with feminism but that it is not itself adequately feminist. It concludes that political liberalism is not enough for feminists.  相似文献   
373.
The interacting effects of sentence context and grammatical gender on lexical access were investigated in Italian using a timed picture-naming paradigm. Results snowed large interacting effects of both sentence context and the gender of the article, with facilitation relative to two different control conditions. Repeat testing yielded an overall decrease in RT, but did not change the pattern of results. Results are interpreted in support of interactive activation models in which different sources of information are combined on-line to predict, anticipate or preactivate lexical targets.  相似文献   
374.
In a recent empirical study, Starns, Hicks, Brown, and Martin (Memory & Cognition, 36, 1–8 2008) collected source judgments for old items that participants had claimed to be new and found residual source discriminability depending on the old-new response bias. The authors interpreted their finding as evidence in favor of the bivariate signal-detection model, but against the two-high-threshold model of item/source memory. According to the latter, new responses only follow from the state of old-new uncertainty for which no source discrimination is possible, and the probability of entering this state is independent of the old-new response bias. However, when missed old items were presented for source discrimination, the participants could infer that the items had been previously studied. To test whether this implicit feedback led to second retrieval attempts and thus to source memory for presumably unrecognized items, we replicated Starns et al.’s (Memory & Cognition, 36, 1–8 2008) finding and compared their procedure to a procedure without such feedback. Our results challenge the conclusion to abandon discrete processing in source memory; source memory for unrecognized items is probably an artifact of the procedure, by which implicit feedback prompts participants to reconsider their recognition judgment when asked to rate the source of old items in the absence of item memory.  相似文献   
375.
Language processing requires the combination of compatible (auditory-vocal and visual-manual) or incompatible (auditory-manual and visual-vocal) sensory-motor modalities, and switching between these sensory-motor modality combinations is very common in every-day life. Sensory-motor modality compatibility is defined as the similarity of stimulus modality and the modality of response-related sensory consequences. We investigated the influence of sensory-motor modality compatibility during performing language-related cognitive operations on different linguistic levels. More specifically, we used a variant of the task-switching paradigm, in which participants had to switch between compatible or between incompatible sensory-motor modality combinations during a verbal semantic categorization (Experiment 1) or during a word-form decision (Experiment 2). The data show higher switch costs (i.e., higher reaction times and error rates in switch trials compared to repetition trials) in incompatible sensory-motor modality combinations than in compatible sensory-motor modality combinations. This was true for every language-related cognitive operation, regardless of the individual linguistic level. Taken together, the present study demonstrates that sensory-motor modality compatibility plays an important role in modality switching during language processing.  相似文献   
376.
Past research has verified that observers assume that objects are reliably oriented with respect to a gravitationally centered coordinate system. Observers also appear to attend more to specific parts of objects, like faces, that typically are closer to the top. In the present work, we explored whether or not observers have a generic bias to view tops as being more salient than bottoms. In three experiments, observers indicated whether random shapes appeared to be more similar to comparison shapes that shared identical tops rather than bottoms. Observers exhibited a reliable tendency to match figures with similarly shaped tops. Matching choice was also a function of global shape attributes such as axis of elongation or size. The findings are consistent with the notion that, in nature, tops tend to be the most visible part and to provide the best information with respect to important aspects of objects such as animal intentionality and artifact functionality.  相似文献   
377.
Subjects were presented with a list of digits to alternate ears for serial recall. The list was followed by a suffix, a redundant acoustic event which did not have to be recalled. The suffix was presented either to one of the ears or binaurally. In all cases the suffix gave rise to a selective impairment of recall of the final items in the list. The results are interpreted as showing first that stimuli of the kind used are processed by simultaneously selecting both ears rather than by switching attention, and second that the site of the suffix effect is after the selection mechanism.  相似文献   
378.
It is proposed that many of the releasing or disinhibiting effects caused by models can be accounted for by information-processing mechanisms, without recourse to the concept of reinforcement. More specifically, it is suggested that the process of viewing a model's behavior involves the activation of an interpretive schema. This renders the information the schema incorporates more accessible for subsequent use. If the schema incorporates (or is closely related to) behavior-specifying information, that information becomes more accessible as well, thus making it more likely to influence overt behavior. Two studies are reported that assessed the plausibility of this reasoning. In Experiment 1 subjects who had viewed an aggressive model perceived greater hostility in the behavior of an ambiguous stimulus person that they subsequently encountered than did control subjects. This finding is consistent with the assumption that the model's behavior activated a conceptual schema for use in interpretation. In Experiment 2 subjects in whom an aggressive schema had been activated under a guise displayed greater aggression in their subsequent behavior in a different context than did control subjects. This finding is consistent with the assumption that activating the conceptual schema also activated behavioral information. The discussion centers on the implications of the findings.  相似文献   
379.
Reactivity to noxious stimuli in rats is altered following acute exposure to tail-pinch. However, while our laboratory has reported that tail-pinch produces hyperalgesia as measured by the flinch-jump test and attenuates analgesic responses following morphine and cold-water swims, others have found that tail-pinch elicits an opioid-sensitive analgesia on the hot plate test and a nonopioid-sensitive analgesia on the writhing test. The first experiment of the present study examined whether tail-pinch altered responses on two somatic pain tests and showed that tail-pinch significantly decreased both jump thresholds and tail-flick latencies. In assessing whether tail-pinch hyperalgesia on the jump test was mediated by endogenous opioids, the second experiment indicated that low (0.1 and 0.5 mg/kg) doses of naloxone eliminated tail-pinch hyperalgesia by selectively lowering control thresholds and a high (10 mg/kg) dose of naloxone eliminated tail-pinch hyperalgesia by selectively increasing thresholds following tail-pinch. Further, the third experiment showed that morphine-tolerant rats (10 mg/kg morphine daily over 14 days) did not exhibit tail-pinch hyperalgesia on the 15th day, an effect attributable to a selective lowering of control thresholds. The fourth experiment was a direct replication of the observation that tail-pinch produces analgesia on the writhing test which is not antagonized by naloxone. These results demonstrate that the pain test employed and the amount of prior tail-pinch experience are critical variables in determining the direction of tail-pinch effects upon pain perception in rats.  相似文献   
380.
CASPER is a psychometrics software package suitable for instructional and research applications with IBM-PC-compatible computers. CASPER lets the user simulate or directly enter psychometric data. Numerous statistical analyses, file handling procedures, and graphics are included Analyses include factor analysis, multiple regression, correlation/partial correlation, moments analysis, reliability analysis, and item analysis.  相似文献   
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