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161.
Stroud MJ Menneer T Cave KR Donnelly N 《Journal of experimental psychology. Human perception and performance》2012,38(1):113-122
Eye movements were monitored to examine search efficiency and infer how color is mentally represented to guide search for multiple targets. Observers located a single color target very efficiently by fixating colors similar to the target. However, simultaneous search for 2 colors produced a dual-target cost. In addition, as the similarity between the 2 target colors decreased, search efficiency suffered, resulting in more fixations on colors dissimilar to both target colors, which we describe as a "split-target cost." The patterns of fixations provide evidence to the type of mental representations guiding search. When the 2 targets are dissimilar, they are apparently encoded as separate and discrete representations. The fixation patterns for more similar targets can be explained with either 2 discrete target representations or a single, unitary range containing the target colors as well as the colors between them in color space. 相似文献
162.
M Vuković R Sujić M Petrović-Lazić N Miller D Milutinović S Babac I Vuković 《Brain and language》2012,123(1):22-29
Phonation is a fundamental feature of human communication. Control of phonation in the context of speech-language disturbances has traditionally been considered a characteristic of lesions to subcortical structures and pathways. Evidence suggests however, that cortical lesions may also implicate phonation. We carried out acoustic and perceptual analyses of the phonation of /a/ in 60 males with aphasia (20 Wernicke's, 20 Broca's, 20 subcortical aphasia) and 20 males matched in age with no neurological or speech-language disturbances. All groups with aphasia were significantly more impaired on the majority of acoustic and perceptual measures as compared with the control speakers. Within the subjects with aphasia, subjects with subcortical aphasia were more impaired on most measures compared to subjects with Broca's aphasia, and they, in turn, more impaired than those with Wernicke's aphasia. Lesions in regions involved in sound production-perception result in dysfunction of the entire neurocognitive system of articulation-phonological language processing. 相似文献
163.
Performance on spatial rotation tasks has been shown to improve following listening to music that one likes with the explanation that the fast tempo, and the major mode associated with it, increases arousal and mood. However, given that research also shows that people sometimes like slow-tempo music as much as fast-tempo music it seems remiss that this preference effect has not been explored for slow-tempo music. We extend previous findings by using a more ecologically-valid method and explore whether the tempo effect was independent of the preference for the music, especially when the music is of a slow tempo. Participants listened to both liked and disliked music, in either a fast or slow tempo, prior to completing a series of spatial rotation tasks. In both tempos, liked music was associated with significantly better spatial rotation performance than disliked music. Interestingly, disliked, fast-tempo music was no better than liked, slow-tempo music. Results are discussed with respect to the arousal and mood literature. 相似文献
164.
Intense research interest over the past decade has yielded diverse and often discrepant theories about the function of anterior cingulate cortex (ACC). In particular, a dichotomy has emerged between neuropsychological theories suggesting a primary role for ACC in motivating or 'energizing' behavior, and neuroimaging-inspired theories emphasizing its contribution to cognitive control and reinforcement learning. To reconcile these views, we propose that ACC supports the selection and maintenance of 'options' - extended, context-specific sequences of behavior directed toward particular goals - that are learned through a process of hierarchical reinforcement learning. This theory accounts for ACC activity in relation to learning and control while simultaneously explaining the effects of ACC damage as disrupting the motivational context supporting the production of goal-directed action sequences. 相似文献
165.
166.
Liz McDonnell Peter Stratton Sheila Butler Nick Cape 《Counselling and Psychotherapy Research》2012,12(3):167-177
Background: Two current trends are making it increasingly important for counsellors and psychotherapists to be more engaged with research. Evidence of effectiveness is being increasingly demanded by those who fund our therapies and also by our clients. Meanwhile therapy research is offering practicable ways for therapists to improve their practice. Therapy organisations have an opportunity, perhaps even a duty, to meet the research needs of their members. Methods: This paper reports on a survey conducted by the UK Council for Psychotherapy (UKCP) to help it plan the activities of its Research Faculty. Findings: Key findings from the survey were that the most common ways of UKCP practitioners engaging with research were through reading, discussions with colleagues and doing research. Engaging with research collaboratively with other therapists, having more time, and access to user‐friendly web‐based research resources and updates, were the factors most commonly cited as supporting practitioner engagement with research. Conversely, lack of time, difficulties accessing resources and materials and feeling not competent were the major barriers to practitioner engagement with research. Discussion: Implications for therapists, for training, and for therapy organisations are considered. 相似文献
167.
168.
Karen E. Flaherty James M. Pappas 《Journal of Personal Selling & Sales Management》2013,33(4):271-278
Leader-Member Exchange Theory (LMX) offers a way to better understand nuances of the salesperson-sales manager relationship. The study reported here employs leader-member exchange theory to evaluate how sales employees develop trust with their managers. Findings show that salespeople's perceptions of procedural justice positively influence salespeople's commitment to the organization, and thereby their satisfaction with the job. Suggestions are provided concerning how sales organizations can train managers to manage consistently and thereby build trust and commitment in salespeople. 相似文献
169.
“Hotspots” refer to memories of detailed moments of peak emotional distress during a traumatic event. This study investigates hotspot frequency, and the emotions and cognitions contained in hotspots of memory for trauma, to replicate a previous study in this area (Holmes, Grey, & Young, 2005). Participants were patients receiving treatment for post-traumatic stress disorder (PTSD) at a specialist outpatient clinic after experiencing a range of traumatic events. The main finding was that, after fear, the most common emotions reported were anger and sadness. Cognitions related to psychological threat to the self were more common than those related to physical threat. 相似文献
170.
We investigated the effect of cue modality on the specificity, speed, vividness, and age of autobiographical memory retrieval. Cues were presented as either an odour, a visual image, or a word label. Odour-cued memories were older, more likely to be categoric, and were slower to be retrieved. Few gender differences were found although females reported more vivid memories than males. We suggest that cue modality directly affects retrieval processes; odour cues are more likely to initiate a perceptual search strategy, in contrast to memories cued by visual images and words, which are usually conceptually/verbally mediated. 相似文献