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51.
Gregg MK Samuel AG 《Journal of experimental psychology. Human perception and performance》2008,34(4):974-991
Change blindness, or the failure to detect (often large) changes to visual scenes, has been demonstrated in a variety of different situations. Failures to detect auditory changes are far less studied, and thus little is known about the nature of change deafness. Five experiments were conducted to explore the processes involved in change deafness by measuring explicit change detection as well as auditory object encoding. The experiments revealed that considerable change deafness occurs, even though auditory objects are encoded quite well. Familiarity with the objects did not affect detection or recognition performance. Whereas spatial location was not an effective cue, fundamental frequency and the periodicity/aperiodicity of the sounds provided important cues for the change-detection task. Implications for the mechanisms responsible for change deafness and auditory sound organization are discussed. 相似文献
52.
We employ the Zermelo–Fränkel Axioms that characterize sets as mathematical primitives. The Anti-foundation Axiom plays a significant role in our development, since among other of its features, its replacement for the Axiom of Foundation in the Zermelo–Fränkel Axioms motivates Platonic interpretations. These interpretations also depend on such allied notions for sets as pictures, graphs, decorations, labelings and various mappings that we use. A syntax and semantics of operators acting on sets is developed. Such features enable construction of a theory of non-well-founded sets that we use to frame mathematical foundations of consciousness. To do this we introduce a supplementary axiomatic system that characterizes experience and consciousness as primitives. The new axioms proceed through characterization of so-called consciousness operators. The Russell operator plays a central role and is shown to be one example of a consciousness operator. Neural networks supply striking examples of non-well-founded graphs the decorations of which generate associated sets, each with a Platonic aspect. Employing our foundations, we show how the supervening of consciousness on its neural correlates in the brain enables the framing of a theory of consciousness by applying appropriate consciousness operators to the generated sets in question. 相似文献
53.
Remembering and knowing are two states of awareness that reflect autonoetic and noetic consciousness. Recent extensions of signal detection theory have attempted to fitremember andknow responses, which measure these states of awareness, to a continuum of trace strength or familiarity. The model assumes there are two response criteria, a remembering criterion, which is more strict, and a recognition criterion, which is more lenient and leads to any positive recognition response. The most important prediction of this model is that bias-free estimates of memory should be the same whether derived from overall hit and false alarm rates or fromremember hit and false alarm rates. We describe evidence that disconfirms this prediction and discuss other findings that the model cannot accommodate. 相似文献
54.
Twelve good readers and 12 poor readers, 10-y4-olds, were given memory span tests, and memory scanning tests, in both auditory and visual modalities. Their concept of a letter pattern was also tested. The major finding was that short-term memory (STM) function deteriorated over time in the poor reading group. When modality was switched the good readers showed a release from proactive inhibition (PI); the poor readers did not. Among good readers, memory scanning in the auditory modality occurred at about the same speed as memory scanning in the visual modality; among the poor readers, auditory speed gradually lagged relative to visual rates. Poor readers were more likely (than good readers) to lack the concept of a letter pattern. Stepwise regressions showed that different patterns of variables were assocated with different types of reading errors. Implicatios for model construction were discussed. 相似文献
55.
The conventional multidimensional distance model of similarity judgment was compared with a new model in which component differences are weighted and then averaged. To evaluate the models, qualitative and quantitative predictions were derived from Romney and D'Andrade's (1964) componential analysis of American kinship terms, and these predictions were tested by having subjects rate the similarity (in experiment 1) and the difference (in experiment 2) between all possible pairs of 12 kinship terms. In both experiments, violations of qualitative predictions for both a simple distance model and a simple averaging model revealed that the componential analysis was not sufficient to account for the data. However the averaging model was able to account for the data when the dichotomous dimension of lineality used by Romney and D'Andrade was replaced by a continuous dimension of immediacy or closeness of kin. In contrast, no comparable elaboration under the distance model was successful. These results were discussed in terms of the likely psychological processes underlying similarity judgment. 相似文献
56.
Leslie JC Shaw D Gregg G McCormick N Reynolds DS Dawson GR 《Journal of the experimental analysis of behavior》2005,84(3):327-338
Learning and memory are central topics in behavioral neuroscience, and inbred mice strains are widely investigated. However, operant conditioning techniques are not as extensively used in this field as they should be, given the effectiveness of the methodology of the experimental analysis of behavior. In the present study, male C57B1/6 mice, widely used as background for transgenic studies, were trained to lever press on discrete-trial fixed-ratio 5 or fixed-interval (11 s or 31 s) schedules of food reinforcement and then exposed to 15 extinction sessions following vehicle or chlordiazepoxide injections (15 mg/kg i.p., administered either prior to all extinction sessions, or prior to the final 10 extinction sessions). Extinction of operant behavior was facilitated by drug administration following training on either schedule, but this facilitation only occurred once a number of extinction sessions had taken place. The extinction process proceeded more rapidly following fixed-interval training. Resistance to extinction was equally high following training with either schedule type, and was reduced by drug administration in both cases. These phenomena were evident in individual cumulative records and in analyses of group data. Results are interpreted in terms of phenomena of operant extinction identified in Skinner's (1938) Behavior of Organisms, and by behavioral momentum theory. These procedures could be used to extend the contribution of operant conditioning to contemporary behavioral neuroscience. 相似文献
57.
Alternative dispute resolution occurs outside the litigation process. The alternative dispute resolution (ADR) movement in North America has emphasized viable alternatives to the litigation framework, such as arbitration, mediation, med-arb, multi-party facilitation, non-legal negotiation, mini-trials, administrative hearings, private judging (renta-judge), fact finding, and moderated settlement conferences. This essay addresses argument in the dominant alternatives: arbitration, mediation, and multi-party facilitation. Prior to comparing argument in these ADR systems, each will be briefly described. 相似文献
58.
59.
Berry K Gregg L Vasconcelos e Sa D Haddock G Barrowclough C 《Behaviour research and therapy》2012,50(3):210-214
We investigated associations between staff-patient relationships and outcomes in a randomised controlled trial of motivational interventions for drug and alcohol misuse in schizophrenia. Participants were 204 patients and their care co-ordinators. We assessed relationship status (positive versus neutral) and staff attributions of control using Five Minute Speech Samples collected at baseline. We examined associations between this baseline data and symptoms at 12-months follow-up. We found that dyads with positive relationships at baseline had significantly less symptoms at 12-months compared to those dyads with neutral relationships. As predicted, care co-ordinators with positive relationships were less likely to attribute patients' problems as being within their control. The findings highlight the potentially important role of positive staff-patient relationships in outcomes. Our findings are also in line with the hypothesis that staff attributions may contribute to the development of more positive relationships. 相似文献
60.
Gregg MK Samuel AG 《Journal of experimental psychology. Human perception and performance》2012,38(4):998-1013
Because the environment often includes multiple sounds that overlap in time, listeners must segregate a sound of interest (the auditory figure) from other co-occurring sounds (the unattended auditory ground). We conducted a series of experiments to clarify the principles governing the extraction of auditory figures. We distinguish between auditory "objects" (relatively punctate events, such as a dog's bark) and auditory "streams" (sounds involving a pattern over time, such as a galloping rhythm). In Experiments 1 and 2, on each trial 2 sounds-an object (a vowel) and a stream (a series of tones)-were presented with 1 target feature that could be perceptually grouped with either source. In each block of these experiments, listeners were required to attend to 1 of the 2 sounds, and report its perceived category. Across several experimental manipulations, listeners were more likely to allocate the feature to an impoverished object if the result of the grouping was a good, identifiable object. Perception of objects was quite sensitive to feature variation (noise masking), whereas perception of streams was more robust to feature variation. In Experiment 3, the number of sound sources competing for the feature was increased to 3. This produced a shift toward relying more on spatial cues than on the potential contribution of the feature to an object's perceptual quality. The results support a distinction between auditory objects and streams, and provide new information about the way that the auditory world is parsed. 相似文献