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41.
Gouveia A de Oliveira CM Romão CF de Brito TM Ventura DF 《The Spanish journal of psychology》2007,10(2):436-448
The aggressive display in Betta splendens is particularly prominent, and vital to its adaptation to the environment. Methylmercury is an organic variation of Hg that presents particularly pronounced neuro-behavioral effects. The present experiments aim to test the effect of acute and chronic poisoning with methylmercury on the display in Bettas. The animals were poisoned by trophic means in both experiments (16 ug/kg in acute poisoning; 16 ug/kg/day for chronic poisoning), and tested in agonistic pairs. The total frequency of the display was recorded, analyzing the topography of the agonistic response. The methylmercury seems to present a dose- and detoxification-dependent effect on these responses, with a more pronounced effect on motivity in acute poisoning and on emotionality in the chronic poisoning. It is possible that this effect could be mediated by alteration in the mono-amino-oxidase systems. 相似文献
42.
Swets B Desmet T Hambrick DZ Ferreira F 《Journal of experimental psychology. General》2007,136(1):64-81
In 2 studies, the authors used a combination of psychometric and experimental techniques to investigate the effects of domain-general and domain-specific working memory factors on offline decisions concerning attachment of an ambiguous relative clause. Both studies used English and Dutch stimuli presented to English- and Dutch-speaking participants, respectively. In Study 1, readers with low working memory spans were less likely to use recency strategies for disambiguation than were readers with high spans. This finding is inconsistent with predictions of locality- and resource-based accounts of attachment. Psychometric analyses showed that both domain-specific (verbal) and domain-general working memory accounted for the effect. Study 2 found support for the hypothesis that segmentation strategies imposed during silent reading can account for the counterintuitive relationship. Results suggest that readers with low spans have a greater tendency to break up large segments of text because of their limited working memory, leading to high attachment of the ambiguous relative clause. 相似文献
43.
44.
Spielberger's State-Trait Anxiety Inventory: Measuring anxiety with and without an audience during performance on a stabilometer 总被引:1,自引:0,他引:1
Half of the 56 subjects (n = 28) performed 15 pre-treatment trials on a stabilometer, then six more with an audience of three faculty (Group 1), the other half performed the same task with no audience (Group 2). Subjects completed the State-Trait Anxiety Inventory prior to and after the treatments. Orthogonal contrasts indicated that Group 1 (audience) post State-anxiety was significantly different from its own pre-State-anxiety and significantly different from Group 2 (no audience) on post-State-anxiety. It was concluded that the State-Trait Anxiety Inventory is an appropriate measure of trait and state anxiety in studies of motor performance. 相似文献
45.
Ipsilesional Arm Aiming Movements After Stroke: Influence of the Degree of Contralesional Impairment
Flavia Priscila de Paiva Silva Sandra Maria Sbeghen Ferreira Freitas Renata Morales Banjai 《Journal of motor behavior》2018,50(1):104-115
The authors examined the effects of the degree of impairment of the contralesional upper limb and the side of the hemispheric damage on ipsilesional upper limb performance in chronic stroke individuals. Right- and left-side stroke resulting in mild-to-severe impairment and healthy participants took part in simple and choice reaction time tasks involving aiming movements. The stroke individuals performed the aiming movements with the ipsilesional upper limb using a digitizing tablet to ipsi- or contralateral targets presented in a monitor. The global performance of the group with severe right hemispheric damage was worse than that of the other groups, indicating that the side of hemispheric damage and degree of motor impairment can adversely affect aiming movement performance. 相似文献
46.
Inês A. Trindade Cláudia Ferreira José Pinto-Gouveia 《Journal of clinical psychology in medical settings》2018,25(4):356-366
Although research recognizes the advantages of creating specific content measures, no specific measure of chronic illness-related cognitive fusion had been developed to date. The current study presents the development and validation of the Cognitive Fusion Questionnaire-Chronic Illness (CFQ-CI) in a sample of inflammatory bowel disease (IBD) patients and the analysis of the role of this construct in the psychological health of those patients. Results indicated that the 7-item CFQ-CI was a unidimensional measure of cognitive fusion in patients with chronic illnesses, and that scores had adequate/good internal consistency and construct, convergent, and discriminant validity. This study also showed that chronic illness-related cognitive fusion as assessed by the CFQ-CI acted as a mediator in the association between both IBD-related symptoms and shame with quality of life. The development of the CFQ-CI may thus contribute to a better understanding of the mechanisms influencing functional outcomes in chronic illness. 相似文献
47.
This study tested a model examining the impact that early affiliative memories (both with family and peers) on eating psychopathology, and whether these links are carried by the mechanisms of external shame and body image-related perfectionistic self-presentation, in a sample of 480 female college students. Path analyses’ results revealed that this model accounted for 48% of disordered eating’s variance and suggests that the lack of early positive emotional memories is associated with higher levels of shame (feelings of inferiority and unattractiveness), and with higher tendency to adopt body image-related perfectionistic strategies, that seem to explain excessive eating concern and rigid control of one’s eating behaviors. This study offers important insights for future research and for the development of intervention programs, by revealing the importance of assessing and targeting shame and perfectionistic strategies and suggesting the importance of promoting adaptive emotion regulation strategies. 相似文献
48.
Guerra GP Mello CF Bochi GV Pazini AM Fachinetto R Dutra RC Calixto JB Ferreira J Rubin MA 《Neurobiology of learning and memory》2011,96(2):324-332
Spermidine (SPD) is an endogenous polyamine that modulates N-methyl-D-aspartate (NMDA) receptor function, and has been reported to facilitate memory formation. In the current study we determined whether or not the PKA/CREB signaling pathway is involved in SPD-induced facilitation of memory of inhibitory avoidance task in adult rats. The post-training administration of the cAMP-dependent protein kinase (PKA) inhibitor, N-[2-bromocinnamylamino)ethyl]-5-isoquinoline sulfonamide [H-89, 0.5 ρmol intrahippocampal (ih)] or the antagonist of the NMDA receptor polyamine-binding site (arcaine, 0.02 nmol ih) with SPD (0.2 nmol ih) prevented memory improvement induced by SPD. Intrahippocampal administration of SPD (0.2 nmol) facilitated PKA and cAMP response element-binding protein (CREB) phosphorylation in the hippocampus 180 min, but not 30 min, after administration, and increased translocation of the catalytic subunit of PKA into the nucleus. Arcaine (0.02 nmol) and H-89 (0.5 ρmol) prevented the stimulatory effect of SPD on PKA and CREB phosphorylation. These results suggest that memory enhancement induced by the ih administration of SPD involves the PKA/CREB pathways in rats. 相似文献
49.
Diego Augusto Santos Silva Markus Vinicius Nahas Thiago Ferreira de Sousa Giovâni Firpo Del Duca Karen Glazer Peres 《Body image》2011,8(4):427-431
We investigated the prevalence of body image dissatisfaction (BID) and associated factors in Florianopolis, Brazil. BID was analyzed in a sample (N = 1720) of adults through the Figure Rating Scale. The independent variables were sociodemographic factors, health behaviors, and morbidities. A multinomial logistic regression analysis was used. More men (14.2%) than women (6.1%) presented BID by being lighter than ideal (LI). Conversely, more women (66.6%) than men (46.3%) showed BID by being heavier than ideal (HI). BID by being HI was higher among older women, those with high BMI and those with a partner. In men, lower BMI and the presence of common mental disorders were associated with BID due to being LI. Advanced ages, alcohol abuse, physical inactivity, and obesity were associated with BID due to being HI. We must consider different public health interventions for men and women to reduce BID in Brazilian adults. 相似文献
50.
This study describes the development of the Home Environment Resources Scale, a Brazilian measure for families with children ages 6 to 12 years. The scale measures aspects of support for school achievement, made available to the child at home. A first version of the measure with 11 subscales was administered to 100 mothers or guardians of children with poor school achievement in a clinical setting. Analysis of the items in the first version resulted in a final version comprising 8 subscales with acceptable indices of internal consistency. Two validity studies were conducted. One aimed at verifying to what extent the Home Environment Resources Scale could discriminate the home environment of students referred to a mental health clinic on account of poor school performance. The sample included mothers of 53 referred and 23 nonreferred children. The two groups differed significantly in home resources and on four subscales. The other study assessed the validity, i.e., prediction of the academic outcome of children entering Grade 1. 70 children and their mothers participated. Results indicate that school achievement and social competence at school are mediated by family support. 相似文献