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61.
R A McFarland K Hanna R Kadish R F Kennison S Bush C Bowd 《The Journal of general psychology》1990,117(4):411-423
Equal numbers of men and women learned a finger maze, with half of the subjects initially using their right hands and the other half using their left hands. To reach criterion, subjects receiving music in the ear ipsilateral to the hand used required more trials than did those receiving no music. Furthermore, when the right hand ran the maze, music played to the ipsilateral ear also delayed learning, compared with music played contralaterally. Binaural music delayed learning when the left hand was used but not when the right hand was used. Possible causes of these effects are suggested. When subjects switched hands and relearned the maze, the number of trials to criterion depended on the group subjects were in during initial learning and not on the group they were in during the hand reversal (response generalization) trials. Although the music condition used determined the effect of music on initial learning and on response generalization, some evidence is presented that indicates that the two effects are not entirely interdependent and that they may even involve different mechanisms. 相似文献
62.
Alzheimer's disease is the most commonly known neurocognitive disorder characterized by deterioration in areas such as memory, attention, and activities of daily living. From a behavioral perspective, memory and attentional deficits may be described as deterioration of stimulus control. This paper provides a case study of discrimination behavior in a patient with neurocognitive disorder. The purpose of the current study was twofold: (i) to study the effect of using presumed familiar pictures in arbitrary matching‐to‐sample tasks and (ii) to study variables that affect stimulus control in a patient diagnosed with vascular dementia. There were 12 conditional discrimination experimental conditions with various types of stimuli, from familiar pictures to identity matching. The results showed that the participant's responses were not in accord with experimenter‐defined stimulus classes when using familiar pictures. However, intact stimulus control by sample stimulus was established following systematic procedural changes in the conditional discrimination tasks. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
63.
The neural correlates of naming concrete entities such as tools (with nouns) and naming actions (with verbs) are partially distinct: the former are linked to the left inferotemporal (IT) region, whereas the latter are linked to the left frontal opercular (FO) and left posterior middle temporal (MT) regions. This raises an intriguing question: How would such neural patterns be influenced by noun-verb homonymy, specifically, naming tasks in which the target words denote objects or actions (e.g., "comb")? To explore this, we conducted a PET study in which 10 normal participants named visually presented tools or actions. The factor of homonymy yielded interesting effects: For tools, non-homonymous nouns (e.g., "camera") activated left IT, whereas homonymous nouns (e.g., "comb") activated both left IT and left FO. For actions, non-homonymous (e.g., "juggle") and homonymous (e.g., "comb") verbs activated left FO, MT, and IT, but there was evidence that the FO and MT activations were less widespread for the homonymous verbs. We also found that retrieval of the same exact words (e.g., "comb" and "comb") produced differential activation in left MT-there was greater MT activation when the words were being used to name actions, than when they were being used to name tools. Our results suggest that noun-verb homonymy has an important influence on the patterns of neural activation associated with words denoting objects and actions, and that even when the phonological forms are identical, the patterns of neural activation are different according to the demands of the task. 相似文献
64.
Gabriele?OettingenEmail author Doris?Mayer Jennifer?S. ?Thorpe Hanna?Janetzke Solvig?Lorenz 《Motivation and emotion》2005,29(4):236-266
Contrasting fantasies about the future with reflections on reality that impedes fantasy realization creates a tight link between expectations of success and forming commitments to self-improvement goals. This effect applies to both fantasies about a positive future contrasted with impeding negative reality as well as fantasies about a negative future contrasted with impeding positive reality. In Study 1, with 63 student participants, contrasting positive fantasies about benefiting from a vocational training with negative reflections on reality impeding such benefits led to expectancy-dependent willingness to invest in the training, more so than indulging in the positive future and than dwelling on the negative reality. In Study 2, with 158 high school students from former East Berlin, contrasting negative, xenophobic fantasies about suffering from the influx of immigrants with positive reflections on reality impeding such suffering led to expectancy-dependent tolerance and willingness to integrate the immigrants. Findings are discussed in terms of how mental contrasting facilitates self-improvement and personal development by making people form expectancy-dependent goal commitments to approach positively-perceived as well as negatively-perceived futures. 相似文献
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66.
Four ubiquitous major sources of measurement error for individual intelligence scales were identified and discussed. It was argued that where these sources cannot be directly investigated, they should be estimated rather than ignored. The typical magnitude of error arising from each of content sampling, time sampling, scoring, and administration was estimated; their composite was found to produce a far larger standard error of measurement than manuals of individual intelligence tests typically report. Implications for practitioners are discussed. 相似文献
67.
68.
The saliency of ethnicity and ethnic identity is influenced by contextual circumstances. In Bosnia-Herzegovina, due to the current ethno-political situation, ethnicity and ethnic identity most likely are important aspects of adolescents' lives. The main purpose of this study is to describe a group of young Mostarians in relation to ethnic identity and reconciliation. Focus is on the participants' perspectives on these subjects and the meanings they attribute to the concepts. A total of 89 young Mostarians are included in the study. A third of the participants are members of a local peace- and reconciliation-building organization, Koraci Nade. Results show that ethnic identity is highly salient for the group. While participants demonstrate strong emotional attachment to their ethnic group, exploration of ethnic identity is less reported. With regard to reconciliation, the participants perceive it as very desirable and show a personal and integrated relation to the concept. However, their definitions of the concept are vague as to what constitutes the process of reconciliation. Although of great importance to the members, participation in the peace-building organization was not found to enhance either ethnic identity or cross-ethnic friendships. 相似文献
69.
Frattali C Hanna R McGinty AS Gerber L Wesley R Grafman J Coelho C 《Brain and language》2007,102(1):99-113
The function of suppression of context-inappropriate meanings during lexical ambiguity resolution was examined in 25 adults with prefrontal cortex damage (PFCD) localized to the left (N=8), right (N=6), or bilaterally (N=11); and 21 matched Controls. Results revealed unexpected inverse patterns of suppression between PFCD and Control groups, with measures suggesting decreased interference across time in the PFCD group and increased interference in the Control group. The PFCD group, however, had significantly lower accuracy rates for the context-inappropriate condition. Results suggest a loss of the control aspects of inhibitory processes in lexical ambiguity resolution following PFCD. An aging effect on suppression function is also suggested. 相似文献
70.
Tang NK Salkovskis PM Poplavskaya E Wright KJ Hanna M Hester J 《Behaviour research and therapy》2007,45(12):2821-2835
Many patients with chronic pain also exhibit elevated levels of health anxiety. This study examined the effect of health anxiety on the use of safety-seeking behaviors (SSBs) in pain-provoking situations. Participants were 20 chronic back pain patients with high health anxiety (Group H), 20 with low health anxiety (Group L) and 20 pain-free controls (Group C). Two physical tasks were video recorded, and compared both for overt pain behavior (identified by blind observers following a standardized procedure) and for the occurrence of SSB (identified by showing the participants video playback and asking them to specify motivation for all actions/behaviors displayed during the tasks). While there were no differences in the display of overt pain behaviors, Group H deployed a greater number of SSBs than Groups L and C. This finding held true for both tasks and remained significant when concurrent pain and mood ratings were statistically controlled for. SSB was correlated with catastrophizing thoughts but not pain intensity; pain intensity was correlated with overt pain behavior but not catastrophizing. Taken together, these findings suggest that SSB is distinct from overt pain behavior and may be a defining characteristic of chronic pain patients reporting high levels of health anxiety. 相似文献