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631.
This paper investigates stress assignment in Dutch aphasic patients in non-word repetition, as well as in real-word and non-word reading. Performance on the non-word reading task was similar for the aphasic patients and the control group, as mainly regular stress was assigned to the targets. However, there were group differences on the real-word reading and non-word repetition tasks. Unlike the non-brain-damaged group, the patients showed a strong regularization tendency in their repetition of irregular patterns. The patients' stress error patterns suggest an impairment in retention or retrieval of targets with irregular stress patterns. Limited verbal short-term memory is proposed as a possible underlying cause for the stress difficulties. 相似文献
632.
Three issues were investigated: (a) the regulatory effects of presumed infant and maternal regulation behaviors on infant distress to novelty at 6 months, (b) stability of infant regulatory effects across contexts that vary in maternal involvement, and (c) associations and temporal dynamics between infant and maternal regulation behaviors. Participants were 87 low-risk infants and their mothers, observed at 6 months postpartum during infant exposure to novel toys. Contingencies derived from sequential analyses demonstrate that, by 6 months, some infants reduce their own distress to novelty by looking away from the novel toy or self-soothing, maternal engagement and support have comparable effects, and certain infant and maternal behaviors co-occur. Moreover, infants whose mothers engaged contingently when they looked away from the novel toy expressed less distress than comparable infants whose mothers did not. These findings implicate both infants and mothers in the development of emotion regulation during the infant's first year. 相似文献
633.
A. R. Damasio's (1994) somatic marker hypothesis relates psychopathy to deficits in the ventromedial prefrontal cortex. Using the gambling task (A. Bechara, A. R. Damasio, H. Damasio, & S. Anderson, 1994), the authors tested this premise and the role of attention as a moderator. Forty-nine male prison inmates were assessed with the Psychopathy Checklist--Revised (R. D. Hare, 1991), the gambling task, and standardized tests on attention-concentration, and intelligence. Results revealed no general relation between psychopathy and gambling task performance. However, psychopathic inmates with low attention scores gambled worse than did the attentive ones. They also had more previous convictions. In nonpsychopathic individuals, attention had no impact. Different processing strategies for psychopathic and nonpsychopathic individuals are proposed to explain these findings. 相似文献
634.
In five experiments, we examined task factors influencing selection by color in a rapid serial visual presentation (RSVP) task. Participants were required to respond to the presence or case of a target letter presented within an RSVP sequence, and they were cued as to the color in which that target was most likely to occur. The first two experiments explored the effect of task difficulty. It was found that a change from the discrimination of upper- versus lowercase targets to the detection of an exact shape had no influence on the color-cuing effect. In contrast, increasing letter set discriminability and decreasing color discriminability reduced the color-cuing effect considerably, although they did not eliminate it. In the third and fourth experiments, the frequency of valid trials was reduced, removing the incentive to use the color information. Again, a small benefit remained, indicating partially automatic and strategic color-processing components. Finally, the fifth experiment showed that an increase in perceptual load had no influence on the color-cuing effect. Together, these five experiments provide further evidence of the robustness of direct selection by color. 相似文献
635.
In this paper, we investigate the ability of Dutch agrammatic Broca's and Wernicke's aphasics to assign reference to possessive pronouns in elided VP constructions. The assumption is that the comprehension problems in these two populations have different sources that are revealed in distinct patterns of responses. The focus is primarily on the performance of the agrammatic group whose errors in comprehension are not viewed as a consequence of a breakdown of grammatical knowledge but as a result of limited processing resources (for an overview see Grodzinsky, 2000). The results of the present study provide evidence for the psycholinguistic reality of the economy hierarchy as proposed in the Primitives of Binding (Reuland, 2001). According to the economy hierarchy proposed for the non-brain-damaged, the more economical semantic dependencies are preferred over the costlier discourse dependencies. This hierarchy is reflected in agrammatic aphasia where the semantic dependencies are available on time and preferred over the discourse dependences that are not available on time as a result of the lack of processing resources with consequences for comprehension. 相似文献
636.
We report results of an experimental study with Dutch agrammatic aphasics that investigated their ability to interpret pronominal elements in transitive clauses and Exceptional Case Marking constructions (ECM). Using the obtained experimental results as a tool, we distinguish between three competing linguistic theories that aim at determining principles responsible for pronoun distribution: Government and Binding (Chomsky, 1981), Reflexivity (Reinhart & Reuland, 1993), and Primitives of Binding (Reuland, 2001). The obtained results are inconsistent with Government and Binding, but consistent with the latter two theories. We further show that the Primitives of Binding framework most naturally explains our results. Our proposal is based on the different performance demonstrated by patients in transitive clauses and ECM constructions, in combination with the often-made claim in the literature regarding the limitation of processing resources in this population (e.g., Haarmann and Kolk, 1991, Haarmann and Kolk, 1994 and Zurif et al., 1993, among others). 相似文献
637.
When forgiving enhances psychological well-being: the role of interpersonal commitment 总被引:2,自引:0,他引:2
Karremans JC Van Lange PA Ouwerkerk JW Kluwer ES 《Journal of personality and social psychology》2003,84(5):1011-1026
The present research addresses the question of when and why forgiving might enhance psychological well-being. The authors predict that forgiving is associated with enhanced well-being but that this association should be more pronounced in relationships of strong rather than weak commitment. This hypothesis received good support in Studies 1-3. Studies 2 and 3 addressed the issue of why forgiving might be associated with psychological well-being, revealing that this association was reduced after controlling for psychological tension (i.e., a psychological state of discomfort due to conflicting cognitions and feelings). Study 4 revealed that in the context of marital relationships, tendencies toward forgiving one's spouse exhibited a more pronounced association with psychological well-being than did tendencies to forgive others in general. 相似文献
638.
van Leeuwen E van Knippenberg D Ellemers N 《Personality & social psychology bulletin》2003,29(6):679-690
A social identity approach to the investigation of group-based reactions to a merger is outlined, in which a merger is analyzed in terms of the continuation or change of the pre-merger group identity. In two experiments, the relationship between pre-merger identification, post-merger identification, and ingroup bias was investigated using a minimal group paradigm. Results from both studies showed that the perceived continuation of the pre-merger group identity in the post-merger group strengthened the positive relationship between pre-merger identification and identification with the superordinate post-merger group. Moreover, perceived continuation strengthened, rather than reduced, ingroup bias at the subordinate level of the merged groups. Some theoretical and practical implications are discussed. 相似文献
639.
There is evidence that how humans perceive time is affected by the activity in which they are engaged when they are judging
time. In humans, typically, the more demanding the task, the faster time seems to pass. We asked whether a similar effect
could be found in pigeons. Pigeons were trained to discriminate between a short-(2-sec) and a long-(10-sec) duration stimulus.
Depending on the color of the stimulus (white or blue), the pigeons were required to peck (at least once per second or the
trial was aborted) or to refrain from pecking (pecks aborted the trial). Once these tasks had been acquired to a high degree,
probe trials involving white and blue stimuli were presented at durations between 2 and 10 sec. On trials in which the pigeons
were required to peck, the point of subjective equality (i.e., the point at which pigeons are equally likely to choose the
stimulus associated with long stimuli as the stimulus associated with short stimuli) was almost 1 sec longer than on trials
in which the pigeons were required to refrain from pecking. In other words, on trials that required pecking, more time passed
before the pigeons indicated that the probe duration was at the subjective midpoint between 2 and 10 sec than on trials that
did not require pecking. This result suggests that like humans, the pigeons underestimated the passage of time when they were
active or when attention to time-related cues had to be shared with attention to satisfying the response rate requirement. 相似文献
640.
Troyer AK Leach L Strauss E 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2006,13(1):20-35
Increased difficulty with response inhibition occurs with age, although there is some controversy as to whether increased interference on Stroop tasks reflects difficulties with response inhibition or simply reflects generalized cognitive slowing. The Victoria Stroop Test (VST) is a brief, easily administered, psychometrically sound version of Stroop's original task. Performance on the VST by adults across a wide age span was examined to determine the association between age and various measures of interference. In addition, normative data for the VST were calculated. Participants were 272 healthy, community-dwelling adults age 18 to 94. Age and speed were negatively correlated on all trials of the VST. Importantly, however, interference scores that were corrected for baseline slowing remained highly correlated with age. Similarly, age and error scores on the interference trial were positively correlated, indicating decreased accuracy with age. These findings suggest that increased interference on Stroop tasks with age is not accounted for by simple cognitive slowing and more likely reflects other cognitive changes, such as decreased response inhibition. The VST has a number of administrative and psychometric strengths, and the provision of normative data should enhance its potential for clinical and research applications. 相似文献