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111.
David A. Fedele Cynthia M. Hartung Will H. Canu Benjamin M. Wilkowski 《Journal of psychopathology and behavioral assessment》2010,32(3):385-396
To identify potential diagnostic criteria for Attention-Deficit/Hyperactivity Disorder (ADHD) in emerging adults using a combination
of DSM-IV and Barkley, Murphy, and Fischer’s (2007) executive functioning (EF) items. Participants in ADHD and control groups self-report on: (1) the 18 DSM-IV criteria, (2) 87 Barkley et al. (2007) EF items, and (3) 10 impairment items. Factor analyses, expert ratings, and logistic regression analyses reveal two factors
named Cognitive Inflexibility (CI) and Disinhibition (DI) that have potential diagnostic utility. Confirmatory factor analyses
and further regression analyses reveal that specific DSM-IV items and items from CI and DI factors account for unique variance in self-reported impairment. Therefore, a 17-item set
consisting of CI and DI items is proposed for further study. Reflecting the developmental nature of ADHD, a novel set of 17
items is shown to have potential diagnostic utility for emerging adults. 相似文献
112.
Dr. med. Herbert Will 《Forum der Psychoanalyse》2015,31(3):267-281
113.
Ronald Neufeldt Michael H. Fisher Alan Lowenschuss R. Blake Michael Jennifer B. Saunders Will Sweetman Jason D. Fuller Christopher Key Chapple M. Whitney Kelting Heidi Pauwels D. Dennis Hudson Kate Romanoff Thomas Forsthoefel Sonya L. Jones Frank J. Korom Kathleen D. Morrison 《International Journal of Hindu Studies》1999,3(1):83-107
114.
Herbert Heuer Will Spijkers Thomas Kleinsorge Hanno van der Loo 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1998,51(4):755-779
The hypothesis was tested that the strength of cross-manual effects of voluntary amplitude modulations in bimanual tasks increases when less preparation time is available during the execution of a sequence of movements. By means of the continuation procedure, various period durations (600, 800, 1200, and 1800 msec) of movement sequences were imposed. Subjects performed bimanual periodic arm movements on two digitizers: constant-amplitude movements (short or long) with the one hand, and movements of constant short or constant long amplitudes and movements of alternating short and long amplitudes with the other hand. Period-duration-dependent modulations of the amplitude were observed in movements of instructed constant amplitudes when the other hand performed alternating-amplitude movements, but not when the other hand performed constant-amplitude movements. Not only physical performance, but also the imaginary production of alternating-amplitude movements resulted in period-duration-dependent cross-manual effects, though reduced in size. The pattern of results is in agreement with a recently proposed two-level model of cross-manual effects according to which cross-talk can occur at the programming level as well as at the execution level. 相似文献
115.
The purpose of this study was to examine the effects of focus of attention cues on movement coordination and coordination variability in the lower extremity. Twenty participants performed the standing long jump under both internal and external focus of attention conditions. A modified vector coding technique was used to evaluate the influence of attentional focus cues on lower extremity coordination patterns and coordination variability during the jumps. Participants jumped significantly further under an external focus of attention condition compared with an internal focus of attention condition (p = .035, effect size = .29). Focus of attention also influenced coordination between the ankle and knee, F(6, 19) = 2.87, p = .012, effect size = .388, with participants primarily using their knees under the internal focus of attention, and using both their ankles and knees under the external focus of attention. Attentional focus cues did not influence ankle-knee, F(1, 19) = 0.02, p = .98, effect size = .02, or hip-knee, F(1, 19) = 5.00, p = .49, effect size = .16, coordination variability. Results suggest that while attentional focus may not directly influence movement coordination condition, there is still a change in movement strategy resulting in greater jump distances following an external focus of attention. 相似文献
116.
Elisabeth Schreuders Eduard T. Klapwijk Geert-Jan Will Berna Güroğlu 《Cognitive, affective & behavioral neuroscience》2018,18(1):127-142
Although the majority of our social interactions are with people we know, few studies have investigated the neural correlates of sharing valuable resources with familiar others. Using an ecologically valid research paradigm, this functional magnetic resonance imaging study examined the neural correlates of prosocial and selfish behavior in interactions with real-life friends and disliked peers in young adults. Participants (N = 27) distributed coins between themselves and another person, where they could make selfish choices that maximized their own gains or prosocial choices that maximized outcomes of the other. Participants were more prosocial toward friends and more selfish toward disliked peers. Individual prosociality levels toward friends were associated negatively with supplementary motor area and anterior insula activity. Further preliminary analyses showed that prosocial decisions involving friends were associated with heightened activity in the bilateral posterior temporoparietal junction, and selfish decisions involving disliked peers were associated with heightened superior temporal sulcus activity, which are brain regions consistently shown to be involved in mentalizing and perspective taking in prior studies. Further, activation of the putamen was observed during prosocial choices involving friends and selfish choices involving disliked peers. These findings provide insights into the modulation of neural processes that underlie prosocial behavior as a function of a positive or negative relationship with the interaction partner. 相似文献
117.
118.
Self-Efficacy in Eliciting Social Support and Burnout Among Secondary-School Teachers 总被引:1,自引:0,他引:1
André Brouwers Will J. G. Evers Welko Tomic 《Journal of applied social psychology》2001,31(7):1474-1491
A nonrecursive model with relationships between perceived lack of social support, perceived self-efficacy in eliciting support at the workplace, and the 3 successive burnout dimensions–emotional exhaustion, depersonalization, and personal accomplishment–was tested in a sample of 277 secondary-school teachers in The Netherlands. Results showed that teachers' perceived lack of support from colleagues and principals had a significant effect on their self-efficacy beliefs in eliciting support from them, while these self-efficacy beliefs were shown to predict their level of burnout. The hypothesized feedback loop was also confirmed: Teachers' level of burnout predicted the extent to which they feel lack of support. An additional effect of the personal-accomplishment dimension of burnout on perceived self-efficacy was suggested. It was concluded that perceived self-efficacy in eliciting support at the workplace is a usable construct in the prediction of teacher burnout. Future directions in research are suggested. 相似文献
119.
To assess the behavioral effects of preoperative differential housing male rats were placed in either enriched or isolated environments at weaning prior to receiving either sham operations or septal lesions when 57 days of age. Rats with septal lesions showed reduced habituation of ambulation and initially made fewer rears in an empty open field but made more object-contacts coupled with a lack of habituation in the object-filled field. Septal rats also showed severe impairments when tested in a 12-arm radial maze with 7 arms baited and 5 arms unbaited. Preoperative enrichment did not significantly affect these lesion-induced changes. Nevertheless, enrichment significantly lowered ambulation (but did not affect habituation) in the open field and increased the number of manipulatory relative to nonmanipulatory contacts. However, preoperatively enriched septal rats showed a deficit in spontaneous alternation (45%) in contrast to the high levels (83%) shown by intact enriched rats, whereas both intact and septal isolated rats showed similar levels of spontaneous alternation (68%). These results conflict with earlier reports that preoperative enrichment "protects" rats against the deficits produced by septal lesions. 相似文献
120.
J C Cassel C R Kelche J C Dalrymple-Alford B E Will 《Behavioral and neural biology》1988,50(2):229-239
Female Long-Evans rats were given electrolytic lesions of either the medial fimbria bilaterally (Fi, n = 24), the dorsal fornix (Fo, n = 24), or both structures (FF, n = 24) at 31 days of age. Ten rats were given sham-operations. Ten days later, half the rats with lesions received bilateral intrahippocampal grafts of embryonic septal cell suspensions (FiT, FoT, FFT, respectively). As already reported in a separate publication (J.C. Dalrymple-Alford, C.R. Kelche, J.C. Cassel, G. Toniolo, V. Pallage, & B.E. Will, 1987, Experimental Brain Research, 210, 115-128), 7 months after transplant surgery, grafted rats were found to be more impaired in an eight-arm radial maze than nongrafted rats. The present report concerns a pharmacological study carried out in the same rats 11 months after grafting. We examined the effects of ip injections of physostigmine (0.01, 0.05, 0.10 mg/kg) and then of d-amphetamine (1.6 mg/kg), as compared with baseline control injections of saline. Just prior to the drug treatments, performances of grafted and nongrafted rats did not differ significantly, but impairments in grafted rats reappeared during subsequent no-injection and saline control trials. Physostigmine failed to affect significantly the performances in rats of any group. d-Amphetamine improved performances in grafted rats with medial fimbria lesions, impaired performances in grafted rats with dorsal fornix lesions, and did not change performances in grafted rats with both lesions, as compared with their respective nongrafted counterparts. Histological analysis revealed variable reinnervation of the host structure and substantial graft-induced lesions of the hippocampus.(ABSTRACT TRUNCATED AT 250 WORDS) 相似文献