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81.
Picture-naming in aphasia 总被引:6,自引:0,他引:6
The distribution of picture-naming errors for Broca's aphasics (n = 9), Wernicke's aphasics (n = 9), conduction aphasics (n = 9), frontal anomics (n = 7), and posterior anomics (n = 9) was examined to determine the diagnostic power of error types in picture-naming. Negated responses were associated with Broca's aphasia, whole-part errors ("hose" for nozzle) were associated with frontal anomia, and poor phonemic cuing was associated with Wernicke's aphasia. In addition, the relative distribution of the three most prominent naming errors-phonemic errors, semantic errors, and multiword circumlocutions-tended to distinguish the two anomic subgroups from the other aphasia subgroups. Anomic aphasics produced the fewest phonemic errors and the most multiword circumlocutions; this pattern suggests minimal word-production difficulty in anomic aphasia relative to the other aphasia syndromes. Despite such group differences, the overall picture indicates that there is considerable similarity among aphasia syndromes in terms of picture-naming behavior. 相似文献
82.
Anterior aphasic patients' ability to utilize the phonemic and/or semantic features of verbal material for retention purposes was investigated. In the first experiment, patients were asked to either detect word repetitions, phoneme repetitions, or rhymes in a list of items. The aphasics performed well on word and phoneme repetition detection but below both normals and amnesic Korsakoffs on rhyme detection. In the second experiment the patients were instructed to analyze either the physical, phonemic, or semantic features of words they were later asked to recognize. Aphasics were differentially affected (as were normals) by these instructions: semantic feature analysis resulted in the best performance, followed by phonemic feature analysis. It was concluded that anterior aphasics can analyze, recirculate, and even store the phonemic features of words, but find difficulty in reconstructing the originally presented item from these features. 相似文献
83.
A previous attempt to improve amnesic Korsakoff patients' retention of individual words resulted in only moderate improvement and, then, only under restricted conditions. It appeared that this occurred because the patients “forget” the instructed analysis of the word as well as the word itself. Consequently, the two experiments reported here sought to provide feature (Experiment 1) or associated (Experiment 2) cues at both input and output. In this manner relatively good performance was obtained, but only when semantic cues were “strongly” associated to the target words. Implications for an encoding specificity interpretation are drawn from these results. 相似文献
84.
Stephen G Harkins Bibb Latané Kipling Williams 《Journal of experimental social psychology》1980,16(5):457-465
When asked to work both alone and in groups, people exert less effort in groups, a phenomenon we call “social loafing.” Either of two possible strategies could explain this outcome: an allocational strategy where people work as hard as they can overall but conserve their strength for individual trials where work is personally beneficial and a minimizing strategy where the primary motive is to “get by” with the least effort possible. However, an allocational strategy would lead participants who always work in groups to put out as much effort as participants who always work alone, since there is no need to husband strength. Two studies using a sound production task found social loafing even under these conditions, suggesting that allocational strategies are not prevalent. Social loafing seems to occur when people perform together in groups, regardless of whether or not they must also perform alone. 相似文献
85.
Alcoholic Korsakoff patients' rate of retrieval from semantic memory was investigated. It was found that their rate of retrieval from “lexical” semantic memory was nearly normal, but their rate of retrieval from “conceptual” semantic memory was impaired. In addition, an attempt to “prime” their lexical semantic memory by requesting the same category to be searched on adjacent trials met with failure. It was concluded that Korsakoff patients' lexical storage is probably organized normally, but their conceptual organization is not. Parallels with these patients' episodic memory impairments are discussed and possible interactions between episodic and semantic memory are proposed. 相似文献
86.
Ross Andel 《Journal of Clinical Geropsychology》2000,6(2):111-120
This study examined the effects of constant versus variable practice on learning a simple motor task in eight patients diagnosed with Alzheimer's Disease (AD). According to the variability of practice hypothesis, variations in practice of a motor skill result in superior learning as evidenced by better ability to transfer the skill. Eight AD patients were matched for Mini-Mental State Exam and baseline scores and then randomly assigned to a constant or variable practice group. Then, the participants were trained in hitting a tennis ball with a small racquet against a horizontal target (practice task) over 12 sessions. Finally, they were asked to aim at a vertical target (transfer task). All participants showed improvement on the practice task. On the transfer task, three of four participants in the variable practice group outperformed their matched counterparts, suggesting learning benefits of variable practice. 相似文献
87.
Per Sandin 《Philosophia》2009,37(1):153-167
This paper discusses the application of the supreme emergency doctrine from just-war theory to non-antagonistic threats. Two
versions of the doctrine are considered: Michael Walzer’s communitarian version and Brian Orend’s prudential one. I investigate
first whether the doctrines are applicable to non-antagonistic threats, and second whether they are defensible. I argue that
a version of Walzer’s doctrine seems to be applicable to non-antagonistic threats, but that it is very doubtful whether the
doctrine is defensible. I also argue that Orend’s version of the doctrine is applicable to non-antagonistic threats, but that
his account is not defensible, regardless of whether the threats are antagonistic or not.
相似文献
Per SandinEmail: |
88.
Behaviour change is increasingly recognised as a common feature of amyotrophic lateral sclerosis (ALS), and may be similar to that seen in frontotemporal dementia (FTD). The behaviours most disturbed in ALS, and those that relate most significantly to caregiver burden, however, have not been well established. Forty ALS participants and their caregivers, and 27 age- and gender-matched healthy controls and their relatives, participated in this study. ALS participants were assessed on a disease rating scale, and caregivers and control informants completed the revised version of the Cambridge Behaviour Inventory and a measure of burden. ALS caregivers reported significantly more disturbance than healthy control informants on the functional domains of everyday skills, self-care, and sleep, and in the behavioural domains of mood and motivation. There were no differences between groups in frequency of memory and orientation difficulties, or behaviours characteristic of FTD, such as changes to eating habits or stereotypic and motor behaviour, indicating that the behavioural profile in ALS may differ from FTD. In the ALS group, the domains with the strongest relationship to caregiver burden were everyday skills, motivation and memory, likely because poor motivation, memory dysfunction and difficulties completing activities of daily living require more carer support via direct supervision, prompting or hands on care. Services to support ALS patients and caregivers need to provide targeted interventions for those functional and behavioural changes which are most burdensome in the disease. 相似文献
89.
90.
《Pratiques Psychologiques》2020,26(3):215-229
Young carers (YC) are children and teenagers who provide care, help or support to a relative who is ill or has a disability. This literature review aims at presenting an overview on YC. Previously published studies mainly focused on estimating YC prevalence, exploring the areas in which YC provide help, especially caring activities, as well as positive and negative consequences of the caregiving experience (social, academic, physical, and psychological consequences). Specific tools to evaluate YC have been developed for professionals and researchers. Finally, if many interventions have been proposed for YC, they have rarely been evaluated. The limits of these studies are discussed and research perspectives are suggested. 相似文献