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301.
Relations between infants’ emerging reach‐grasp competence and event‐related desynchronization in EEG 下载免费PDF全文
Erin N. Cannon Elizabeth A. Simpson Nathan A. Fox Ross E. Vanderwert Amanda L. Woodward Pier F. Ferrari 《Developmental science》2016,19(1):50-62
Recent reports of similar patterns of brain electrical activity (electroencephalogram: EEG) during action execution and observation, recorded from scalp locations over motor‐related regions in infants and adults, have raised the possibility that two foundational abilities – controlling one's own intentional actions and perceiving others’ actions – may be integrally related during ontogeny. However, to our knowledge, there are no published reports of the relations between developments in motor skill (i.e. recording actual motor skill performance) and EEG during both action execution and action observation. In the present study we collected EEG from 21 9‐month‐olds who were given opportunities to reach for toys and who also observed an experimenter reach for toys. Event‐related desynchronization (ERD) was computed from the EEG during the reaching events. We assessed infants’ reaching‐grasping competence, including reach latency, errors, preshaping of the hand, and bimanual reaches, and found that desynchronization recorded in scalp electrodes over motor‐related regions during action observation was associated with action competence during execution. Infants who were more competent reachers, compared to less competent reachers, exhibited greater ERD while observing reaching‐grasping. These results provide initial evidence for an early emerging neural system integrating one's own actions with the perception of others’ actions. 相似文献
302.
Sharon L Manne Tina R Norton Jamie S Ostroff Gary Winkel Kevin Fox Generosa Grana 《Journal of family psychology》2007,21(3):380-388
This study examined whether the association between protective buffering and psychological distress was moderated by relationship satisfaction. Protective buffering is defined as hiding worries, denying concerns, and yielding to one's partner in an effort to avoid disagreement and reduce one's partner's upset and burden. Two hundred thirty-five women diagnosed with early stage breast cancer and their partners completed measures of protective buffering, psychological distress, and relationship satisfaction at 3 time points over an 18-month period after cancer diagnosis. The authors hypothesized that protective buffering would result in more distress among patients and partners reporting higher relationship satisfaction than among patients and partners reporting lower levels of relationship satisfaction. Patients' protective buffering predicted more distress among patients rating their relationships as more satisfactory, whereas the patients' buffering did not predict distress among patients rating their relationships as less satisfactory. Partner relationship satisfaction also moderated the association between patients' buffering and partners' distress. These findings elucidate conditions under which protective buffering may have detrimental effects. 相似文献
303.
Phenylketonuria (PKU; OMIM 261600) is an autosomal recessive inborn error of phenylanaline metabolism. PKU is characterized
by deficient or defective phenylalanine hydroxylase activity and persistantly increased levels of the essential amino acid
phenylalanine in the circulation. The present article examines current understanding of the etiology of PKU, along with a
meta-analysis examining neuropsychological and intellectual presentations in continuously treated adolescents and adults.
Patients with PKU differed significantly from controls on Full-Scale IQ, processing speed, attention, inhibition, and motor
control. Future research utilizing an integrative approach and detailed analysis of specific cognitive domains will assist
both the scientist and clinician, and ultimately the patient. 相似文献
304.
Fox DM 《Kennedy Institute of Ethics journal》2007,17(1):23-30
Baker and McCullough (2007) criticize a 1979 article by this author for insufficiently appreciating how physicians have appropriated ideas from moral philosophy. This rejoinder argues that the two articles are complementary. The 1979 article summarized evidence that leading physicians in the nineteenth and twentieth centuries appropriated ideas from moral philosophy and related disciplines that reinforced their political goals of self-regulation and dominance of the allocation of resources for health. In retrospect the 1979 article also urged bioethicists to appropriate ideas from other disciplines, including moral philosophy, which would contribute to improving the health of populations. 相似文献
305.
Do familiarity and expectations change perception? Drivers’ glances and response to changes 总被引:1,自引:1,他引:0
Marieke H. Martens Micah R.J. Fox 《Transportation Research Part F: Traffic Psychology and Behaviour》2007,10(6):476-492
The present study shows that repeated exposure to a road environment changes eye movement behaviour. In addition, repeated exposure may result in inadequate responses to unexpected changes in the road environment. Participants drove a low-cost simulator while their eye movements were recorded. With repeated exposure participants’ glances at traffic signs along the route were shorter while having a better recollection of the traffic signs along the route. At the last drive, the priority situation at an intersection was changed (a priority road was changed into a yield situation). Even though drivers glanced at the sign that indicated the new priority situation, they did not sufficiently process the information to show an adequate response. Only two out of 12 drivers showed any response, being a response only after crossing the priority road markings. The current finding that unexpected but relevant information may be missed by drivers is relevant for other monitoring tasks. 相似文献
306.
Potentially dangerous stimuli are important contenders for the capture of visual-spatial attention, and it has been suggested that an evolved fear module is preferentially activated by stimuli that are fear relevant in a phylogenetic sense (e.g., snakes, spiders, angry faces). In this study, a visual search task was used to test this hypothesis by directly contrasting phylogenetically (snakes) and ontogenetically (guns) fear-relevant stimuli. Results showed that the modern threat was detected as efficiently as the more ancient threat. Thus, both guns and snakes attracted attention more effectively than neutral stimuli (flowers, mushrooms, and toasters). These results support a threat superiority effect but not one that is preferentially accessed by threat-related stimuli of phylogenetic origin. The results are consistent with the view that faster detection of threat in visual search tasks may be more accurately characterized as relevance superiority effects rather than as threat superiority effects. 相似文献
307.
308.
Heather Hampel Robin E. Grubs Carol S. Walton Emma Nguyen Daniel H. Breidenbach Steve Nettles Meagan Corliss Stephanie Fox Susan Hiraki Lisa Ku Whitney Neufeld-Kaiser Bronson Riley Jamie Taylor LuAnn Weik 《Journal of genetic counseling》2009,18(3):205-216
The American Board of Genetic Counseling (ABGC) performed a genetic counseling practice analysis (PA) to determine the content of the certification examination. The ABGC-appointed PA Advisory Committee worked with psychometricians to develop a survey which was distributed to 2,038 genetic counselors in the United States and Canada. The survey was also accessible on the ABGC website. Multiple criteria were used to establish the significance of the tasks included in the survey. A total of 677 responses were used in the analysis, representing a 37.1% corrected response rate. Five major content domains with 143 tasks were identified in the PA. New certification test specifications were developed on the basis of PA results and will be used in developing future examination forms. In keeping with credentialing standards, ABGC plans to conduct a PA on a regular basis so that the content of the examination reflects current practice. 相似文献
309.
310.
Jeanne H. Brockmyer Christine M. Fox Kathleen A. Curtiss Evan McBroom Kimberly M. Burkhart Jacquelyn N. Pidruzny 《Journal of experimental social psychology》2009,45(4):624-634
Deep engagement in video game-playing has the potential to be to be one important determinant of the impact of playing violent video games, but there are currently no reliable measures of this subjective experience. To fill this gap, the Game Engagement Questionnaire (GEQ) was developed using both classical and Rasch analyses. In Study 1 Rasch analyses provide support for the reliability and functionality of the GEQ scores. Rasch analyses also demonstrate that the GEQ has adequate separation, fit, rating scale functioning, and dimensionality, suggesting that one’s tendency to become engaged in video game-playing is a quantifiable construct. In Study 2, behavioral and questionnaire data supported the reliability and validity of the GEQ for predicting engagement in violent video games. The GEQ provides a psychometrically strong measure of levels of engagement specifically elicited while playing video games, and thus shows promise for future research examining risk and protective factors for negative game impact. 相似文献