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Kendra M. Cherry-Allen Jeff M. Gidday Jin-Moo Lee Tamara Hershey 《Journal of motor behavior》2017,49(3):337-348
The authors tested whether 2 doses of remote limb ischemic conditioning (RLIC), induced via blood pressure cuff inflation, enhanced motor and cognitive learning to an equal extent, and explored a panel of blood biomarkers of RLIC. Thirty-two young adults were randomized to 3 groups and underwent a 7-day protocol of RLIC/sham followed by motor and cognitive training, with follow-up. Both RLIC groups had greater motor learning and a trend toward greater cognitive learning compared with the sham group. RLIC at the lower inflation pressure was as effective as RLIC with the higher inflation pressure. No significant candidate blood biomarkers were found. RLIC could be a well-tolerated method to enhance learning and improve rehabilitation outcomes in people with neurological conditions. 相似文献
44.
As an investigation into the feasibility of recording personality status from questionnaire data in younger people we used a three phase Delphi survey to assess items from the Christchurch Health and Development Study, administered at ages 12 to 16 years. Twelve experts took part in Phase I, and 22 in Phases II and III, 16 of whom were experts in adult personality disorder (PD), and 6 were experts who work with children. In total, 189 questions (55% of the total (238) in the questionnaires) were identified as possibly being related to personality abnormality in one or more clusters with high consensus. Experts who work with children were less likely to label features as related to personality than experts in PD (p < 0.001), and the four personality factors (equivalent to Mulder and Joyce's antisocial, asocial, asthenic, and anankastic) chosen for assessment showed variable agreement. Confirmatory factor analysis showed the best fitting model of the data was a 3 factor solution involving asocial/asthenic, antisocial, and anankastic factors. This represents the first attempt to use existing recorded data to code personality status and the results of this Delphi survey give some grounds for optimism that this approach has potential in the early identification of personality features. 相似文献
45.
Kamala London Maggie Bruck Debra Ann Poole Laura Melnyk 《Applied cognitive psychology》2011,25(1):146-155
One component of metasuggestibility is the understanding that a person's statements can influence another person's reports. The purpose of the present study was to examine the development of this understanding in school‐aged children. We produced a short video in which a boy makes a false allegation about being hit following an adult's suggestive interview. Children aged 6–13 years (N = 196) watched the video and answered open‐ended and forced‐choice questions about why the boy made a false allegation. The 6‐ and 7‐year‐olds performed poorly on all question types, whereas the 12‐ and 13‐year‐olds were at ceiling. There were developmental increases in metasuggestibility between 8 and 11 years. Our findings indicate that metasuggestibility undergoes prolonged development well into the school years. Implications for child witness training programs are discussed. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
46.
While much developmental research has focused on the strategies that children employ to recognize faces, less is known about the principles governing the organization of face exemplars in perceptual memory. In this study, we tested a novel, child-friendly paradigm for investigating the organization of face, bird and car exemplars. Children ages 3-4, 5-6, 7-8, 9-10, 11-12 and adults were presented with 50/50 morphs of typical and atypical face, bird and car parent images. Participants were asked to judge whether the 50/50 morph more strongly resembled the typical or the atypical parent image. Young and older children and adults showed a systematic bias to the atypical faces and birds, but no bias toward the atypical cars. Collectively, these findings argue that by the age of 3, children encode and organize faces, birds and cars in a perceptual space that is strikingly similar to that of adults. Category organization for both children and adults follows Krumhansl's (1978) distance-density principle in which the similarity between two exemplars is jointly determined by their physical appearance and the density of neighboring exemplars in the perceptual space. 相似文献
47.
Patti Tamara Lenard 《Ethical Theory and Moral Practice》2010,13(3):315-332
Increasingly, western democratic countries are bearing witness to immigrant protest, that is, protest by immigrants who are
dissatisfied with their status in the host community. In protesting, the immigrants object to the ways in which various laws
and practices have proved to be obstacles to their full integration. Because immigrants, upon entering, have consented to
abide by the rules and regulations of the host state, it might be thought that these forms of civil disobedience are, effectively,
contract violations. Immigrants might therefore be thought to have a particularly stringent duty to abide by the laws of their
host state. This paper evaluates whether immigrants are indeed under a special duty to abide by the laws of their host state.
First, it suggests that it is useful — although incomplete — to apply the device of the ‘contract’ to understanding the relationship
between new immigrants and the host community. Second, it argues that there are limits to what can be demanded of and by immigrants
as well as of and by host communities. It then turns to offering principles that help to evaluate the motivations of immigrant
protestors, as well as that help guide their actions, when they believe that the community they have joined is treating them
unjustly. These principles suggest that immigrant protest actions are subject to the restriction that they do not undermine
the possibility of an inclusive democratic community. 相似文献
48.
Erin R. Foster Kevin J. Black Jo Ann V. Antenor-Dorsey Joel S. Perlmutter Tamara Hershey 《Brain and cognition》2008
Studies suggest motor deficit asymmetry may help predict the pattern of cognitive impairment in individuals with Parkinson disease (PD). We tested this hypothesis using a highly validated and sensitive spatial memory task, spatial delayed response (SDR), and clinical and neuroimaging measures of PD asymmetry. We predicted SDR performance would be more impaired by PD-related changes in the right side of the brain than in the left. PD (n = 35) and control (n = 28) participants performed the SDR task. PD participants either had worse motor deficits on the right (RPD) or left (LPD) side of the body. Some participants also had magnetic resonance imaging for measurement of their substantia nigra (SN) volumes. The LPD group performed worse on the SDR task than the RPD and control groups. Right SN volume accounted for a unique and significant portion of the variance in SDR error, with smaller volume predicting poorer performance. In conclusion, left motor dysfunction and smaller right SN volume are associated with poorer spatial memory. 相似文献
49.
Prospective and positive mental imagery deficits in dysphoria 总被引:1,自引:0,他引:1
We know less about positive mental imagery than we do about negative mental imagery in depression. This study examined the relationship between depressed mood and the subjective experience of emotion in imagined events; specifically, prospective imagery, and imagery in response to emotionally ambiguous stimuli. One hundred and twenty-six undergraduates completed measures of depression, imagery vividness for future events, and a homograph interpretation task in which they generated images and subsequently rated image pleasantness and vividness. As predicted, compared to low dysphoria, high dysphoria was associated with poorer ability to vividly imagine positive (but not negative) future events. These findings were augmented by the observation that high dysphorics provided lower pleasantness ratings of images generated in response to homographs they interpreted as positive. We suggest that an imbalance in the inability to vividly imagine positive but not negative future events may curtail the ability of high dysphorics to be optimistic. High dysphoric individuals are further disadvantaged: even when they interpret ambiguity positively, the resulting images they generate are associated with less positive affect. Therapeutic strategies that address both such positive-specific imagery biases hold promise for depression treatment innovation. 相似文献
50.
Allen ES Rhoades GK Stanley SM Markman HJ Williams T Melton J Clements ML 《Family process》2008,47(2):243-259
Premarital precursors of infidelity were evaluated in a sample of 72 couples (N = 144) who were taking part in a longitudinal study of marriage. Premarital self-report and observational data were compared for couples who experienced infidelity and those who did not experience infidelity in the first years of marriage. Couples in which the male engaged in marital infidelity were characterized, premaritally, by significantly lower male sexual satisfaction, lower male positive communication, and higher female invalidation, whereas couples in which the female went on to engage in infidelity were characterized, premaritally, by significantly lower levels of female positive communication, higher levels of male and female negative communication, and higher levels of male and female invalidation. Implications of the findings for future research on the prediction and prevention of infidelity are discussed. 相似文献