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961.
Functional magnetic resonance imaging (fMRI) allows noninvasive imaging of hemodynamic changes related to neural activity. This technique can be used in single-subject designs and can provide millimeter spatial resolution and temporal resolution in the range of 5–10 sec. This paper provides a brief introduction to MRI techniques and their application to functional neuroimaging, focusing on methodological issues that are of particular concern to psychologists, including methods for presenting computerized stimuli to subjects without disrupting the scanner, experimental design issues, and statistical analysis and image processing procedures. To illustrate methodological issues, recent results from a series of studies looking at the topographic organization of visual cortex are presented. General issues concerning limitations in this technique, future directions in its development, its relationship to other neuroimaging techniques, and the role of functional neuroimaging in psychological research are addressed in the Discussion. 相似文献
962.
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964.
This research investigated the lexical properties underlying comprehension that a word represents fact or opinion. In Experiment 1 subjects reliably identified words as either fact or opinion. Bivariate correlations and multiple regression showed that fact/opinion judgments were predicted primarily by ratings of the ease of verifiability of a word's referent and secondarily by the word's literalness, but not by several other lexical attributes: abstractness-concreteness, vagueness-preciseness, and evaluation. Experiment 2 extended the results of the first experiment to an implicit fact/opinion judgment, i.e., the identification of headlines as originating from a newspaper's front page (presumably based primarily upon fact) or from the editorial page (presumably based upon opinion). The headline judgments, also made reliably by subjects, were predicted by the same variables found significant in the first experiment, i.e., by verifiability and literalness, but not by the other lexical properties. Thus, the results of both experiments indicate that the identification of a word as representing fact or opinion is rooted in a word's verifiability and literalness. 相似文献
965.
966.
Koa Whittingham Chloe Palmer Pamela Douglas Debra K. Creedy Jeanie Sheffield 《Infant mental health journal》2020,41(5):603-613
Infant sleep problems are among the most common issues reported by parents in the postnatal period. Yet, infant sleep and infant sleep interventions remain controversial. This study evaluated health professional training in a novel approach to parent–infant sleep: the Possums Sleep Intervention. Health professionals (n = 144) completed a short survey before and after the training, which focused on the sleep component. The Possums Sleep Intervention training included the following topics: sleep science, cued care, sleep hygiene, relaxation for parents and babies, problem solving, and acceptance and commitment therapy (ACT). Health professionals reported: improvements in knowledge on infant sleep regulation, the mother–infant relationship and ACT; improvements in health professionals’ own sleep quality; improvements in psychological flexibility; and a reduction in professional burnout and secondary traumatic stress. Moreover, the health professional training was received positively. Overall, this study is supportive of the Possums Sleep Intervention health professional training. 相似文献
967.
Context and Perceptual Salience Influence the Formation of Novel Stereotypes via Cumulative Cultural Evolution 下载免费PDF全文
Jacqui Hutchison Sheila J. Cunningham Gillian Slessor James Urquhart Kenny Smith Douglas Martin 《Cognitive Science》2018,42(Z1):186-212
We use a transmission chain method to establish how context and category salience influence the formation of novel stereotypes through cumulative cultural evolution. We created novel alien targets by combining features from three category dimensions—color, movement, and shape—thereby creating social targets that were individually unique but that also shared category membership with other aliens (e.g., two aliens might be the same color and shape but move differently). At the start of the transmission chains each alien was randomly assigned attributes that described it (e.g., arrogant, caring, confident). Participants were given training on the alien‐attribute assignments and were then tested on their memory for these. The alien‐attribute assignments participants produced during test were used as the training materials for the next participant in the transmission chain. As information was repeatedly transmitted an increasingly simplified, learnable stereotype‐like structure emerged for targets who shared the same color, such that by the end of the chains targets who shared the same color were more likely to share the same attributes (a reanalysis of data from Martin et al., 2014 which we term Experiment 1). The apparent bias toward the formation of novel stereotypes around the color category dimension was also found for objects (Experiment 2). However, when the category dimension of color was made less salient, it no longer dominated the formation of novel stereotypes (Experiment 3). The current findings suggest that context and category salience influence category dimension salience, which in turn influences the cumulative cultural evolution of information. 相似文献
968.
J. Douglas Coatsworth Larissa G. Duncan Mark T. Greenberg Robert L. Nix 《Journal of child and family studies》2010,19(2):203-217
We evaluated the efficacy of a mindful parenting program for changing parents’ mindfulness, child management practices, and
relationships with their early adolescent youth and tested whether changes in parents’ mindfulness mediated changes in other
domains. We conducted a pilot randomized trial with 65 families and tested an adapted version of the Strengthening Families Program: For Parent and Youth 10–14 that infused mindfulness principles and practices against the original program and a delayed intervention control group.
Results of pre-post analyses of mother and youth-report data showed that the mindful parenting program generally demonstrated
comparable effects to the original program on measures of child management practices and stronger effects on measures of mindful
parenting and parent–youth relationship qualities. Moreover, mediation analyses indicated that the mindful parenting program
operated indirectly on the quality of parent–youth relationships through changes in mindful parenting. Overall, the findings
suggest that infusing mindful parenting activities into existing empirically validated parenting programs can enhance their
effects on family risk and protection during the transition to adolescence. 相似文献
969.
Leslie J. Francis Mandy Robbins Jenny Rolph Douglas Turton Paul Rolph 《Pastoral Psychology》2010,59(5):551-561
This study links and tests three strands of theory concerned with explaining individual differences in levels of professional
burnout in general and among religious professionals in particular. These three strands concern the significance of current
self-esteem, recalled self-esteem as a child, and personality. Data were provided by a sample of 1,278 male stipendiary parochial
clergy working in the Church of England who completed the modified Maslach Burnout Inventory (specially designed for use among
clergy), and the short-form Revised Eysenck Personality Questionnaire (designed to measure the personality dimensions of extraversion,
neuroticism and psychoticism), together with a semantic differential index of recalled self-esteem as a child. The bivariate
correlation coefficients demonstrated significant associations between more positive self-esteem as a child and lower levels
of professional burnout (higher personal accomplishment, lower emotional exhaustion and lower depersonalisation). The bivariate
correlation coefficients also demonstrated significant associations between personality and professional burnout. Multiple
regression analyses, however, demonstrated that the association between recalled self-esteem as a child and professional burnout
largely disappeared after controlling for the personality variables. The conclusion is drawn that knowledge about the personality
profile of clergy functions as a more secure predictor of susceptibility to professional burnout than knowledge about recalled
self-esteem as a child. 相似文献
970.
Douglas Walton 《Philosophical explorations》2013,16(1):71-89
This paper offers a dialogue theory of explanation. A successful explanation is defined as a transfer of understanding in a dialogue system in which a questioner and a respondent take part. The questioner asks a special sort of why-question that asks for understanding of something and the respondent provides a reply that transfers understanding to the questioner. The theory is drawn from recent work on explanation in artificial intelligence (AI), especially in expert systems, but applies to scientific, legal and everyday conversational explanations. 相似文献