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231.
R. Matt Alderson Mark D. Rapport Lisa J. Kasper Dustin E. Sarver Michael J. Kofler 《Child neuropsychology》2013,19(5):487-505
Contemporary models of ADHD hypothesize that hyperactivity reflects a byproduct of inhibition deficits. The current study investigated the relationship between children's motor activity and behavioral inhibition by experimentally manipulating demands placed on the limited-resource inhibition system. Twenty-two boys (ADHD = 11, TD = 11) between the ages of 8 and 12 years completed a conventional stop-signal task, two choice-task variants (no-tone, ignore-tone), and control tasks while their motor activity was measured objectively by actigraphs placed on their nondominant wrist and ankles. All children exhibited significantly higher activity rates under all three experimental tasks relative to control conditions, and children with ADHD moved significantly more than typically developing children across conditions. No differences in activity level were observed between the inhibition and noninhibition experimental tasks for either group, indicating that activity level was primarily associated with basic attentional rather than behavioral inhibition processes. 相似文献
232.
Using an Imagery Intervention to Train Visual Exploratory Activity in Elite Academy Football Players
Chris Pocock Matt Dicks Richard C. Thelwell Michael Chapman Jamie B. Barker 《Journal of Applied Sport Psychology》2013,25(2):218-234
Football players adapt their movements to opportunities within the surrounding environment by engaging in visual exploratory activity (VEA) to pick up information. This study adds to the extant literature by using a 6-week PETTLEP imagery intervention to train VEA and improve performance with the ball. A single-case, multiple baseline across participants' design was conducted with 5 elite academy football players. Results indicated that a PETTLEP imagery intervention improved VEA, particularly in center midfielders. In addition, indications of improvements in performance with the ball were present within some participants. Future researchers could examine the processes underpinning VEA to enhance applied interventions for this skill. 相似文献
233.
Although large epidemiological data sets can inform research on the etiology and development of borderline personality disorder (BPD), they rarely include BPD measures. In some cases, however, proxy measures can be constructed using instruments already in these data sets. In this study, the authors developed and validated a self-report measure of BPD from the Multidimensional Personality Questionnaire (MPQ). Items for the new instrument-the Minnesota BPD scale (MBPD) -were identified and refined using three large samples: undergraduates, community adolescent twins, and urban substance users. The authors determined the construct validity of the MBPD scale by examining its association with (a) diagnosed BPD, (b) questionnaire-reported BPD symptoms, and (c) clinical variables associated with BPD: suicidality, trauma, disinhibition, internalizing distress, and substance use. The authors also tested the MBPD scale in two prison inmate samples. Across samples, the MBPD scores correlated with BPD indices and external criteria and showed incremental validity above measures of negative affect, thus supporting its construct validity as a measure of BPD. 相似文献
234.
Matt Motyl Joshua Hart Tom Pyszczynski David Weise Molly Maxfield Angelika Siedel 《Journal of experimental social psychology》2011,47(6):1179-1184
Many studies demonstrate that mortality salience can increase negativity toward outgroups but few have examined variables that mitigate this effect. The present research examined whether subtly priming people to think of human experiences shared by people from diverse cultures increases perceived similarity of members of different groups, which then reduces MS-induced negativity toward outgroups. In Study 1, exposure to pictures of people from diverse cultures engaged in common human activities non-significantly reversed the effect of MS on implicit anti-Arab prejudice. In Study 2, thinking about similarities between one's own favorite childhood memories and those of people from other countries eliminated MS-induced explicit negative attitudes toward immigrants. In Study 3, thinking about similarities between one's own painful childhood memories and those of people from other countries eliminated the MS-induced reduction in support for peace-making. Mediation analyses suggest the effects were driven by perceived similarity of people across cultures. These findings suggest that priming widely shared human experiences can attenuate MS-induced intergroup conflict. 相似文献
235.
Hopwood CJ Donnellan MB Blonigen DM Krueger RF McGue M Iacono WG Burt SA 《Journal of personality and social psychology》2011,100(3):545-556
During the transition to adulthood individuals typically settle into adult roles in love and work. This transition also involves significant changes in personality traits that are generally in the direction of greater maturity and increased stability. Competing hypotheses have been offered to account for these personality changes: The intrinsic maturation hypothesis suggests that change trajectories are endogenous, whereas the life-course hypothesis suggests that these changes occur because of transactions with the social environment. This study investigated the patterns and origins of personality trait changes from ages 17 to 29 using 3 waves of Multidimensional Personality Questionnaire data provided by twins. Results suggest that (a) trait changes were more profound in the first relative to the second half of the transition to adulthood; (b) traits tend to become more stable during the second half of this transition, with all the traits yielding retest correlations between .74 and .78; (c) Negative Affectivity declined over time, and Constraint increased over time; minimal change was observed on agentic or communal aspects of Positive Emotionality; and (d) both genetic and nonshared environmental factors accounted for personality changes. Overall, these genetically informed results support a life-course perspective on personality development during the transition to adulthood. 相似文献
236.
Goudie AJ Gullo MJ Rose AK Christiansen P Cole JC Field M Sumnall H 《The Behavioral and brain sciences》2011,34(6):314-315
The potential to instrumentalize drug use based upon the detection of very many different drug states undoubtedly exists, and such states may play a role in psychiatric and many other drug uses. Nevertheless, nonaddictive drug use is potentially more parsimoniously explained in terms of sensation seeking/impulsivity and drug expectations. Cultural factors also play a major role in nonaddictive drug use. 相似文献
237.
In aperture viewing the field-of-view is restricted, such that only a small part of an image is visible, enforcing serial exploration of different regions of an object in order to successfully recognise it. Previous studies have used either active control or passive observation of the viewing aperture, but have not contrasted the two modes. Active viewing has previously been shown to confer an advantage in visual object recognition. We displayed objects through a small moveable aperture and tested whether people's ability to identify the images as familiar or novel objects was influenced by how the window location was controlled. Participants recognised objects faster when they actively controlled the window using their finger on a touch-screen, as opposed to passively observing the moving window. There was no difference between passively viewing again one's own window movement as generated in a previous block of trials versus viewing window movements that had been generated by other participants. These results contrast with those from comparable studies of haptic object recognition, which have found a benefit for passive over active stimulus exploration, but accord with findings of an advantage of active viewing in visual object recognition. 相似文献
238.
Matt D. Thomas Andrew McGrath Clive E. Skilbeck 《Australian journal of psychology》2012,64(4):225-234
The Quality of Life Inventory (QOLI, Frisch) is an importance‐weighted measure of life satisfaction that has been found to possess adequate psychometric properties in US and clinically‐based samples. The current study aimed to investigate the normative distribution, factor structure and key psychometric properties of the QOLI in an Australian general community sample. Results indicated that the Australian sample (n = 259) reported slightly better quality of life than the US‐based standardisation sample. Confirmatory factor analyses showed that a three‐factor model provided the best fit for the data. Psychometric properties were all generally found to be adequate and close to Frisch's reported levels. In conclusion, this study indicated that the QOLI may be used in the Australian context with confidence. Future research could examine the clinical utility of the three‐factor model. 相似文献
239.
Gray MJ Schorr Y Nash W Lebowitz L Amidon A Lansing A Maglione M Lang AJ Litz BT 《Behavior Therapy》2012,43(2):407-415
We evaluated the preliminary effectiveness of a novel intervention that was developed to address combat stress injuries in active-duty military personnel. Adaptive disclosure (AD) is relatively brief to accommodate the busy schedules of active-duty service members while training for future deployments. Further, AD takes into account unique aspects of the phenomenology of military service in war in order to address difficulties such as moral injury and traumatic loss that may not receive adequate and explicit attention by conventional treatments that primarily address fear-inducing life-threatening experiences and sequelae. In this program development and evaluation open trial, 44 marines received AD while in garrison. It was well tolerated and, despite the brief treatment duration, promoted significant reductions in PTSD, depression, negative posttraumatic appraisals, and was also associated with increases in posttraumatic growth. 相似文献
240.
Michael Passage Matt Tincani Donald A. Hantula 《Journal of applied behavior analysis》2012,45(4):853-857
This study examined the effectiveness of using qualitatively different reinforcers to teach self‐control to an adolescent boy who had been diagnosed with an intellectual disability. First, he was instructed to engage in an activity without programmed reinforcement. Next, he was instructed to engage in the activity under a two‐choice fixed‐duration schedule of reinforcement. Finally, he was exposed to self‐control training, during which the delay to a more preferred reinforcer was initially short and then increased incrementally relative to the delay to a less preferred reinforcer. Self‐control training effectively increased time on task to earn the delayed reinforcer. 相似文献