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151.
Luca Bonini Pier Francesco Ferrari Leonardo Fogassi 《Consciousness and cognition》2013,22(3):1095-1104
Philosophical and neuroscientific investigation on intentional actions focused on several different aspects, making difficult to define what should be meant with the concept of intention. Most of our everyday actions are constituted by complex and finely organized motor sequences, planned and executed in order to attain a desired final goal. In this paper, we will identify the final goal of the action as the motor intention of the acting individual. First, we will review the relative contribution of the vast neuroscientific literature on the role of different cortical areas in the organization of goal-directed movement. In particular, we will describe recent data on the cortical organization of natural action sequences, showing that this organization could be at the basis not only of our capacity of acting intentionally, but also of our ability to understand the motor intentions underlying others’ behaviour which is crucial during social interactions. 相似文献
152.
Physical inactivity has been associated with several health problems, including diabetes, obesity, and heart disease. Although many of these health problems are preventable through regular exercise, a small percentage of the adult population engages in the recommended levels. Reinforcement-based interventions have been implemented successfully to promote physical activity, but studies targeting moderate or vigorous physical exercise using behavior-analytic interventions are scarce. The purpose of the current study was to investigate the feasibility of a multicomponent intervention that provided monetary incentives for increasing running, jogging, or brisk walking distance for five adults. The intervention lasted 6 weeks and comprised weekly goal setting, feedback, public posting, and group contingencies. The results of the study suggest that the intervention may be feasible and effective at increasing moderate physical activity to levels recommended by the federal guidelines, but further research is warranted. 相似文献
153.
The aim of this study was to create an explanatory model that allows analyzing the predictive power of a set of variables related to political knowledge; more specifically, to analyze the relationship between the education level of young adults and the variables, interest in politics and internal political efficacy. We also analyzed the combined relationship between these variables, together with age, and political knowledge. We worked with a sample group of 280 young adults between the ages of 18-30 from the city of Córdoba (Argentina). The data was subjected to a structural equation modelling SEM analysis, which allowed for the corroboration of the following hypotheses: the higher the education level, the more the interest in politics; the higher the education level, the better the perception of internal political efficacy; the higher the education level, the more the political knowledge; the more the interest in politics, the more the political knowledge; and the better the perception of internal political efficacy, the more interest in politics. Moreover, the following hypotheses could not be verified: the older an individual, the more the political knowledge; and the better the perception of internal political efficacy, the more the political knowledge. The model obtained allows for discussion of the explanatory value of these socio-cognitive variables. 相似文献
154.
Anarte Ortiz MT Caballero FF Ruiz de Adana MS Rondán RM Carreira M Domínguez-López M Machado A Gonzalo-Marín M Tapia MJ Valdés S González-Romero S Soriguer FC 《心理评价》2011,23(2):398-405
Hypoglycemia is the most common adverse event associated with insulin treatment in diabetes. The consequences of hypoglycemia can be quite aversive and potentially life threatening. The physical sequelae provide ample reason for patients to fear hypoglycemia and avoid episodes. For these reasons, our purpose in this study was to develop a new measure that explores specific fear of hypoglycemia (FH) in adult patients with type 1 diabetes and to examine its psychometric properties. The instrument developed to assess FH was initially made up of 20 items, of which 18 were negative and 2 were positive, assessed on a 5-point Likert scale (1-5). This scale was completed by 229 patients with type 1 diabetes. Additionally, a structured interview and a closed question called subjective fear of hypoglycemia were included as diagnostic criteria. A factor analysis employing the principal-components method and promax rotation was carried out, resulting in a new scale composed of 15 items. Three factors (fear, avoidance, and interference) were obtained and explained 58.27% of the variance. The scale showed good internal consistency (Cronbach's α = .891) and test-retest reliability (r = .908, p < .001), as well as adequate concurrent and predictive validity. The cutoff score that provided the highest overall sensitivity and specificity was set at 28 points. The Fear of Hypoglycemia 15-item scale (FH-15) demonstrated good reliability and validity. This study suggests that the new instrument may serve as a valuable measure of specific FH for use in research and clinical practice. 相似文献
155.
In the present study we extended errorless learning to a conditional temporal discrimination. Pigeons' responses to a left-red key after a 2-s sample and to a right-green key after a 10-s sample were reinforced. There were two groups: One learned the discrimination through trial and error and the other through an errorless learning procedure. Then, both groups were presented with three types of tests. First, they were exposed to intermediate durations between 2 s and 10 s, and given a choice between both keys (stimulus generalization test). Second, a delay from 1 s to 16 s was included between the offset of the sample and the onset of the choice keys (delay test). Finally, pigeons learned a new discrimination in which the stimuli were switched (reversal test). Results showed that pigeons from the Errorless group made significantly fewer errors than those in the Trial-and-Error group. Both groups performed similarly during the stimulus generalization test and the reversal test, but results of the delay test suggested that, on long stimulus trials, responding in the errorless training group was less disrupted by delays. 相似文献
156.
Leonardo A. Ortega Alan M. Daniel Jessica B. Davis Perry N. Fuchs Mauricio R. Papini 《Learning and motivation》2011,42(3):203-209
Physical pain (induced by tissue damage) and psychological pain (induced by surprising incentive loss) share a set of common neural substrates, but little is known about their interactions. The present research studied such interactions using the formalin test to induce physical pain and consummatory successive negative contrast (cSNC) to induce psychological pain. In the formalin test, animals receive an intradermal injection of formalin (1%) in a hind paw. In cSNC, rats with free access to 32% sucrose show a sharp suppression of drinking behavior after a downshift to 4% sucrose, compared to rats that always receive 4% sucrose. In Experiment 1, formalin administration before the first and second 32-to-4% sucrose downshift trials enhanced cSNC. In Experiment 2, a similar treatment before the first downshift trial after a 16-to-4% sucrose downshift, which normally produces little or no evidence of cSNC, significantly increased cSNC. In Experiment 3, using a 32-to-4% sucrose downshift procedure similar to that of Experiment 1, no effects were observed following formalin administration immediately after Trial 11. Thus, no evidence was found that the effects of physical pain on cSNC were caused by changes in memory consolidation. The procedures used in these experiments offer a new approach to study the neural substrates of interactions between physical and psychological pain. 相似文献
157.
158.
G. Nic Rider Jennifer A. Vencill Dianne R. Berg Rachel Becker-Warner Leonardo Candelario-Pérez Katherine G. Spencer 《International Journal of Transgenderism》2019,20(2-3):275-288
AbstractBackground: The limited research on nonbinary individuals suggests that this community experiences significant health disparities. Compared to binary transgender individuals, research suggests that nonbinary individuals are at elevated risk for discrimination and negative mental health outcomes, including depression, anxiety, traumatic stress, and suicidality. Even mental health providers who work with binary transgender individuals often lack knowledge of and training to work competently with nonbinary individuals.Methods: The authors of this conceptual article present the Gender Affirmative Lifespan Approach (GALA), a psychotherapy framework based in health disparities theory and research, which asserts that therapeutic interventions combating internalized oppression have the potential to improve mental health symptomatology resulting in improved overall health and well-being for gender diverse clients. GALA’s therapeutic interventions are designed to promote positive gender identity development through five core components: (1) building resiliency; (2) developing gender literacy; (3) moving beyond the binary; 4) promoting positive sexuality; and (5) facilitating empowering connections to medical interventions (if desired).Results: The core components of the GALA model are individualized to each client’s unique needs, while taking into consideration age and acknowledging developmental shifts in, or fluidity of, gender across the lifespan. This model represents an inclusive, trans-affirmative approach to competent clinical care with nonbinary individuals.Discussion: Application of the GALA model with nonbinary clients is discussed, including one clinical case vignette. 相似文献
159.
160.
Hayley Guiney Michael Keall Liana Machado 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2021,28(2):253-269
ABSTRACT Introduction: Given evidence that activity engagement in older adulthood can have protective effects on the aging brain, we investigated the idea that volunteering in the community, which often encompasses social, cognitive, and physical activity, might benefit cognition. Method: Ninety-one retired 65- to 75-year-olds reported their sociodemographic characteristics, wellbeing, volunteering, and activity engagement. They also completed computerized cognitive tests that tapped specific functions known to decline disproportionately with age. Results: Volunteering at least monthly was associated with better working memory and more social and cognitive activity. Mediation analyses indicated that volunteering was indirectly related to switching performance via cognitive activity. However, the volunteering-working memory association did not depend on activity engagement, leaving the underpinning mechanisms unclear. Conclusions: These findings provide new insight into positive associations between older people’s volunteering, activity engagement, and cognitive functioning. However, further work is needed to understand the mechanisms that drive volunteering-cognition links, and to establish causality. 相似文献