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141.
Sarah Lloyd‐Fox Anna Blasi Samantha McCann Maria Rozhko Laura Katus Luke Mason Topun Austin Sophie E. Moore Clare E. Elwell 《Developmental science》2019,22(5)
The first 1,000 days of life are a critical window of vulnerability to exposure to socioeconomic and health challenges (i.e. poverty/undernutrition). The Brain Imaging for Global Health (BRIGHT) project has been established to deliver longitudinal measures of brain development from 0 to 24 months in UK and Gambian infants and to assess the impact of early adversity. Here results from the Habituation‐Novelty Detection (HaND) functional near‐infrared spectroscopy (fNIRS) task at 5 and 8 months are presented (N = 62 UK; N = 115 Gambia). In the UK cohort distinct patterns of habituation and recovery of response to novelty are seen, becoming more robust from 5 to 8 months of age. In The Gambia, an attenuated habituation response is evident: a larger number of trials are required before the response sufficiently suppresses relative to the response during the first presented trials. Furthermore, recovery of response to novelty is not evident at 5 or 8 months of age. As this longitudinal study continues in The Gambia, the parallel collection of socioeconomic, caregiving, health and nutrition data will allow us to stratify how individual trajectories of habituation and recovery of response to novelty associate with different risk factors and adaptive mechanisms in greater depth. Given the increasing interest in the use of neuroimaging methods within global neurocognitive developmental studies, this study provides a novel cross‐culturally appropriate paradigm for the study of brain responses associated with attention and learning mechanisms across early development. 相似文献
142.
The field of applied behavior analysis has suffered from a relative dearth of user-friendly books appropriate to a lay audience. Bailey and Burch''s book fills this niche with a work that is both entertaining and informative. The book is reviewed in terms of the strengths and limitations of its content, as well as in the context of the importance of effective marketing of behavior analysis. 相似文献
143.
Jennifer L. Austin 《Journal of applied behavior analysis》2004,37(2):243-248
Although there are many books about behavioral research methods, there are very few guidebooks. This review describes a book by Jon S. Bailey and Mary R. Burch that has been written specifically as a guide for the new researcher. Replete with helpful tips on navigating the research process, the book is organized into 10 sequential research steps that guide the reader through each phase of conceptualizing, conducting, and analyzing an applied study. Although not as detailed as other texts with regard to the specifics of methodology, this book is reader‐friendly and accessible to both undergraduates and graduate students who are beginning the process of becoming applied behavior‐analytic researchers. 相似文献
144.
Jennifer L. Austin Melissa Gilbert Lee Matthew D. Thibeault James E. Carr Jon S. Bailey 《Journal of Behavioral Education》2002,11(4):243-254
The present study assessed the effects of guided notes on student responding and accuracy of recall of lecture material in an undergraduate psychology class using multi-element design. Guided notes were administered for approximately half of the class sessions on a random schedule. Data were collected on the frequency of student responses and daily quizzes were administered to assess accuracy of recall of information presented in the lecture. Results indicated higher mean quiz scores and response frequencies during the guided notes condition. Social validity questionnaires administered to participants revealed satisfaction with results and procedures. 相似文献
145.
ABSTRACT— Efficient goal-directed behavior in a crowded world is crucially mediated by visual selective attention (VSA), which regulates deployment of cognitive resources toward selected, behaviorally relevant visual objects. Acting as a filter on perceptual representations, VSA allows preferential processing of relevant objects and concurrently inhibits traces of irrelevant items, thus preventing harmful distraction. Recent evidence showed that monetary rewards for performance on VSA tasks strongly affect immediately subsequent deployment of attention; a typical aftereffect of VSA (negative priming) was found only following highly rewarded selections. Here we report a much more striking demonstration that the controlled delivery of monetary rewards also affects attentional processing several days later. Thus, the propensity to select or to ignore specific visual objects appears to be strongly biased by the more or less rewarding consequences of past attentional encounters with the same objects. 相似文献
146.
Mirror writing refers to the production of individual letters, whole words or sentences in reverse direction. Unintentional
mirror writing has been observed in young children learning to write and interpreted as the manifestation of different cognitive
impairments. We report on mirror writing instances in a sample of 108 pre-school children. Results showed MW to be age-related
but independent from handedness and left-right discrimination abilities. We propose an account of mirror writing as reflecting
dissociation between acquired motor programmes for letter shape composition and unspecified spatial direction of hand movements.
Before learning to write, the child’s directional cognitive system is assumed to be dichotomous, thus inducing the production
of randomly oriented asymmetrical letters. 相似文献
147.
Language functioning after bilateral prefrontal leukotomy 总被引:1,自引:0,他引:1
D T Stuss D F Benson R Clermont C L Della Malva E F Kaplan W S Weir 《Brain and language》1986,28(1):66-70
Three groups of patients with orbital frontal lesions secondary to leukotomy were compared to psychiatric and normal control groups on a series of tasks involving language. The results indicated that chronic orbital frontal lesions, at least in the patients in this study, do not affect language as defined by the tasks used in the study. The frontal lobes, when implicated in language, appear to require dorsal-lateral or medial cortical involvement. 相似文献
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