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21.
This study investigated the effect of noise masking on on-line syntactic processing. Ninety college students were tested on measures of working memory and on-line sentence comprehension. Subjects were divided equally into three listening conditions: no noise masking, -3 dB signal-to-noise ratio (S:N), -4.5 dB S:N. The auditory moving windows (AMW) paradigm was used to measure on-line sentence processing. In the AMW paradigm, subjects pressed a button for the successive presentation of each phrase in two types of sentences (syntactically simple and complex), and listening times were recorded for each phrase. Previous studies have shown that the verb in the more complex sentence type is the most capacity demanding portion of the sentence. Listening times were longer overall with increased noise masking, and listening times were longer overall at the verb of the harder sentence type. However, the increase at the verb was not larger with increased noise masking. All three groups showed similar effects of syntactic structure in the on-line data. The on-line syntactic effects were not due to problems in word recognition. Correlational analyses did not indicate a relationship between the increase in processing time at the capacity demanding region of the harder sentence types and any of the measures of working memory capacity in any of the three listening conditions. Results indicate that on-line sentence processing is not affected by noise masking if lexical access (e.g., word recognition) remains intact. 相似文献
22.
The relationship between age, processing speed, working memory capacity, and language comprehension 总被引:1,自引:0,他引:1
A total of 50 elderly individuals and 48 college students were tested on several measures of processing speed and of working memory capacity. Language processing was tested with an on-line measure of sentence processing efficiency, an end-of-sentence acceptability judgement task, and a paragraph comprehension test. Elderly individuals performed more poorly than college students on the speed of processing and working memory measures and had longer listening times overall on the sentence processing measures. Elderly individuals did not, however, have overall longer listening times at the most capacity-demanding regions of the harder sentence types. Correlational analyses failed to establish a relationship between the increase in syntactic processing load at the capacity-demanding region of the harder sentence type and the measures of working memory capacity, but did establish a relationship between paragraph comprehension and working memory capacity. The data are argued to provide evidence that the WM system used to structure sentences syntactically is separate from that used in other aspects of language comprehension. 相似文献
23.
Hong YY Chan G Chiu CY Wong RY Hansen IG Lee SL Tong YY Fu HY 《Journal of personality and social psychology》2003,85(6):1147-1160
Social identity approaches assume that social identification affects both self-conception and intergroup orientation. The authors contend that such social identification effects are accentuated when people hold a fixed view of human character and attribute immutable dispositions to social groups. To these individuals, social identities are immutable, concrete entities capable of guiding self-conception and intergroup orientation. Social identification effects are attenuated when people hold a malleable view of human character and thus do not view social identities as fixed, concrete entities. The authors tested and found support for this contention in three studies that were conducted in the context of the Hong Kong 1997 political transition, and discussed the findings in terms of their implications for self-conceptions and the meaning of social identification. 相似文献
24.
On-line syntactic processing in aphasia: studies with auditory moving window presentation 总被引:2,自引:0,他引:2
Twenty-eight aphasic patients with left hemisphere strokes and matched control subjects were tested on an auditory moving windows task in which successive phrases of a sentence were presented in response to subjects' self-paced button presses and subjects made timed judgments regarding the plausibility of each sentence. Pairs of sentences were presented that differed in syntactic complexity. Patients made more errors and/or took longer in making the plausibility judgments than controls, and were more affected than controls by the syntactic complexity of a sentence in these judgments. Normal subjects showed effects of syntactic structure in self-paced listening. On-line syntactic effects differed in patients as a function of their comprehension level. High-performing patients showed the same effects as normal control subjects; low performing patients did not show the same effects of syntactic structure. On-line syntactic effects also differed in patients as a function of their clinical diagnosis. Broca's aphasic patients' on-line performances suggested that they were not processing complex syntactic structures on-line, while fluent aphasics' performances suggested that their comprehension impairment occurred after on-line processing was accomplished. The results indicate that many aphasic patients retain their ability to process syntactic structure on-line, and that different groups of patients with syntactic comprehension disorders show different patterns of on-line syntactic processing. 相似文献
25.
Thirty-six university students were tested in a plausibility judgment task using a self-paced listening paradigm under no-interference
and two-digit load conditions. Listening times were longer at syntactically more complex portions of syntactically more complex
sentences, and greater loads led to increased listening times. However, listening times at syntactically more complex positions
in syntactically more complex sentences did not increase more than listening times at comparable positions in syntactically
simple sentences under digit load conditions. The results indicate that a concurrent memory load does not reduce the availability
of working memory resources used for on-line syntactic processing and, thus, provide evidence that the working memory system
used for assigning syntactic structure is separate from that measured by standard working memory tasks. 相似文献
26.
Schrag B Ferrell G Weil V Fiedler TJ 《Science and engineering ethics》2003,9(4):569-77; discussion 578-82
This case raises ethical issues involving conflicts of interest arising from industrial funding of academic research; ethical responsibilities of laboratories to funding agencies; ethical responsibilities in the management of a research lab; ethical considerations in appropriate research design; communication in a research group; communication between advisor and graduate student; responsibilities of researchers for the environment; misrepresentation or withholding of scientific results. 相似文献
27.
The psychometric properties of several commonly used verbal working memory measures were assessed. One hundred thirty-nine
individuals in five age groups (18–30, 50–59, 60–69, 70–79, and 80+ years) were tested twice (Time I and Time II) on seven
working memory span measures (alphabet span, backward digit span, missing digit span, subtract 2 span, running item span,
and sentence span for syntactically simple and complex sentences), with an interval of approximately 6 weeks between testing.
There were significant effects of age on all but two of the tasks. All the measures had adequate internal consistency. Correlations
between performances at Time I and Time II were significant for all the tasks, other than the missing digit span task. The
magnitude of the correlations was similar across the age groups and ranged from .52 to .81. Classification of subjects into
discrete memory span groups on the basis of a single measure was highly inconsistent across testing sessions and tasks. Classification
into upper and lower quartiles was more stable than using a cutoff score for group membership or than classification into
high-, medium-, and low-span groups. Correlational analyses showed that there was a moderate relationship between performances
on many of the span tasks. Confirmatory factor analysis suggested that six of the seven tasks reflected a common factor. Both
test—retest reliability and stability of classification improved when a composite measure reflecting performance on several
tasks was used. 相似文献
28.
We examined whether eight capuchins and eight chimpanzees were able to retrieve a reward placed inside a tube, of varying length, by selecting the correct stick from different sets of three sticks differing in length (functional feature) and handle (non-functional feature). Moreover, to investigate whether seeing the stick inside the tube (visual feedback) improves performance, half of the subjects were tested with a transparent apparatus and the other half with an opaque apparatus. Phase 1 included (a) Training 1 in which each stick had a different handle and (b) Transfer 1 in which the handles were switched among sticks, so that the functional tool had the same length but a different handle than before. The seven chimpanzees and one capuchin that passed Transfer 1 received Transfer 2. The other subjects received (a) Training 2, which used the same sticks from Phase 1 with handles switched in every trial, and (b) Transfer 2 in which the tube was longer, all sticks had the same new handle, and the formerly longest tool became intermediate in length. Eight chimpanzees and three capuchins passed Transfer 2. Results showed that (1) chimpanzees applied relational structures in tool using tasks more quickly than capuchins and (2) capuchins required more varied experience to attend to the functional feature of the tool. Interestingly, visual feedback did not improve performance in either species. 相似文献
29.
Gloria A. Johnson 《Pastoral Psychology》2011,60(1):49-59
This article defines ways in which a community can honor older adults as an invaluable resource to community life. A biographical
study of a particular community is undertaken in order to extricate its theological convictions and ethical values. This study
underscores the pivotal role of older adults in community function. Moreover, this article challenges scholars, caregivers,
congregations to develop theories and strategies of care efficacious for healing. 相似文献
30.
Psychopathy is often used to settle disputes about the nature of moral judgment. The “trolley problem” is a familiar scenario in which psychopathy is used as a test case. Where a convergence in response to the trolley problem is registered between psychopathic subjects and non-psychopathic (normal) subjects, it is assumed that this convergence indicates that the capacity for making moral judgments is unimpaired in psychopathy. This, in turn, is taken to have implications for the dispute between motivation internalists and motivation externalists, for instance. In what follows, we want to do two things: firstly, we set out to question the assumption that convergence is informative of the capacity for moral judgment in psychopathy. Next, we consider a distinct feature of psychopathy which we think provides strong grounds for holding that the capacity for moral judgment is seriously impaired in psychopathic subjects. The feature in question is the psychopathic subject’s inability to make sincere apologies. Our central claim will be this: convergence in response to trolley problems does not tell us very much about the psychopathic subject’s capacity to make moral judgments, but his inability to make sincere apologies does provide us with strong grounds for holding that this capacity is seriously impaired in psychopathy. 相似文献