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71.
J. Elizabeth Bolhuis Marije Oostindjer Cindy W. F. Hoeks Elske N. de Haas Andrea C. Bartels Monique Ooms Bas Kemp 《Animal cognition》2013,16(5):845-850
Interest in cognitive research in pigs is increasing, but little is known about the impact of environmental conditions on pigs’ cognitive capabilities. The present study investigated the effect of environmental enrichment on cognitive performance of pigs in a holeboard spatial task, in which they had to discriminate four baited buckets out of 16. Pigs (n = 32) were either housed in stimulus-poor, barren pens, or in larger pens enriched with rooting substrates. Pigs were subjected to 30 holeboard trials. Both working memory (WM), that is, the ratio (baited visits/total number of (re)visits to baited buckets), and reference memory (RM), that is, the ratio ((re)visits to baited buckets/total number of visits to all buckets), improved over trials. WM scores were higher in pigs from enriched pens than in pigs from barren pens. Housing did not affect RM scores. Personality type of the pigs, as assessed early in life using a backtest, did not affect WM or RM. In conclusion, housing conditions of pigs did not affect reference memory, but environmental enrichment improved working memory of pigs in a spatial discrimination task. Based on the findings of this study, we suggest that cognitive functioning of pigs may be impaired under commonly used housing conditions. 相似文献
72.
Christina O. Carlisi Kevin Hilbert Amanda E. Guyer Monique Ernst 《Cognitive, affective & behavioral neuroscience》2017,17(6):1098-1113
Insufficient sleep, as well as the incidence of anxiety disorders, both peak during adolescence. While both conditions present perturbations in fear-processing-related neurocircuitry, it is unknown whether these neurofunctional alterations directly link anxiety and compromised sleep in adolescents. Fourteen anxious adolescents (AAs) and 19 healthy adolescents (HAs) were compared on a measure of sleep amount and neural responses to negatively valenced faces during fMRI. Group differences in neural response to negative faces emerged in the dorsal anterior cingulate cortex (dACC) and the hippocampus. In both regions, correlation of sleep amount with BOLD activation was positive in AAs, but negative in HAs. Follow-up psychophysiological interaction (PPI) analyses indicated positive connectivity between dACC and dorsomedial prefrontal cortex, and between hippocampus and insula. This connectivity was correlated negatively with sleep amount in AAs, but positively in HAs. In conclusion, the presence of clinical anxiety modulated the effects of sleep-amount on neural reactivity to negative faces differently among this group of adolescents, which may contribute to different clinical significance and outcomes of sleep disturbances in healthy adolescents and patients with anxiety disorders. 相似文献
73.
Hall NJ Udell MA Dorey NR Walsh AL Wynne CD 《Journal of comparative psychology (Washington, D.C. : 1983)》2011,125(3):341-346
Spontaneous point-following behavior has been considered an indicator of advanced social cognition unique to humans. Recently, it has been suggested that a close evolutionary relationship with humans could result in similar social skills in domesticated species. An alternative view is that the mechanism is not genetic domestication alone but instead a combination of phylogenetic and ontogenetic variables. Here we test the necessity of phylogenetic domestication by investigating the point-following behavior of a captive population of nondomesticated megachiropteran bats (Pteropus pumilus, Pteropus rodricensis, Pteropus conspicillatus, Pteropus vampyrus). Three of five subjects were highly successful in following an unfamiliar human's point to a target location, providing the first empirical evidence of cross-species social referencing in bats. The three successful bats were all born in captivity and socialized to humans early in life, whereas unsuccessful bats were wild-born individuals. This study provides evidence that referential point following is not restricted to domesticated animals and indicates that early experience may be important. Megachiropteran bats may prove to be a useful model for studying social behaviors. 相似文献
74.
Beltrame JM Viera RA Tamanaha AC Arcuri CF Osborn E Perissinoto J Schiefer AM 《Journal of Fluency Disorders》2011,36(4):280-284
Purpose
The objective of this research was to compare the number and types of grammatical and non-grammatical silent pauses presented by stutterers and subjects with Asperger syndrome in their narratives.Method
Ten children who stutter and four participants with Asperger syndrome (mean ages of both groups 10 years) were assessed at the Speech and Language Disorders Department of the Universidade Federal de São Paulo/Brasil. They narrated a story based on a pre-selected sequence of pictures. They were filmed and their productions were analyzed using version 5.0.47 of Praat (http://www.fon.hum.uva.nl/praat/download_win.html). Silent intervals in the speech that ranged from 0.25 to 4 s were considered pauses. The pauses were classified as grammatical and non-grammatical, depending on the words that preceded and followed them.Results
Both groups presented grammatical and non-grammatical pauses and the former predominated. The children with Asperger syndrome produced a greater number of pauses than the stutterers.Educational objectives: The reader will be able to: (1) characterize the use of pauses in the oral narrative; (2) distinguish a grammatical pause from a non-grammatical pause regarding the use and function; (3) recognize the pattern of pause found in the two populations. 相似文献75.
Monique V. E. Leenders Abraham P. Buunk Kène Henkens 《The Journal of general psychology》2017,144(1):16-34
We examined the extent to which individual relationships with mother and father, social support from partner, and quality of the relationship with the partner, are related to work orientation and work ethic. Survey data were obtained from 3841 respondents from the Netherlands Kinship Panel Study (wave 2). The results showed that, overall, people with a more positive relationship with their parents had a more positive work orientation and a stronger work ethic. A positive relationship with the father had a greater influence on these work aspects than a positive relationship with the mother, particularly for men. Partner support and the quality of the partner relationship partially mediated the association between the relationship with one's parents and work orientation only for women. There were no significant relationships between partner support or the quality of the partner relationship, and work ethic. Research on the relationship with parents and work-related variables is discussed. 相似文献
76.
Although masculinity ideology (MI) has been shown to predict men’s sexual risk-taking, less is known about MI’s contribution to men’s beliefs about women and their sexual bodies. Accordingly, we examined associations between masculine ideology, media consumption, and men’s attitudes about women’s reproductive body functions among a sample of 656 undergraduate men. Participants completed measures assessing their endorsement of traditional gender ideologies, their levels of media exposure and engagement, and their attitudes toward childbirth and breastfeeding. It was hypothesized that media use would contribute to traditional MI, and that traditional MI would contribute to negative views about breastfeeding and childbirth. Results supported these individual connections, but not a mediated model. Discussion focuses on implications of these findings for women’s lives. 相似文献
77.
Mental rotation of objects improves when passive tactile information for the rotating object accompanies the imagined rotation (Wraga, Creem, & Proffitt, 2000). We examined this phenomenon further using a within-subjects paradigm involving handheld objects. In Experiment 1, participants imagined rotating an unseen object placed on their upturned palms. The participants were faster at mental rotation when the object was rotated on their palm than when the object remained stationary. Experiment 2 tested whether the performance advantage would endure when the participants received tactile information for only the start- and endpoints of the rotation event. This manipulation did not improve performance, relative to a stationary control. Experiment 3 revealed that ambiguous tactile information, continuous with the rotation event but independent of object shape, actually degraded performance, relative to a stationary control. In Experiment 4, we found that continuous tactile rotation discrepant from imagined object movement also hindered performance, as compared with continuous tactile information aligned with imagined object movement. The findings suggest a tight coupling between tactile information specifying continuous object rotation and the corresponding internal representation of the rotating object. 相似文献
78.
Moira Dean Monique M. Raats Richard Shepherd 《Journal of applied social psychology》2008,38(8):2088-2107
This study used the theory of planned behavior (TPB) to examine the impact of moral concerns on intention to buy organic apples and organic pizza. Initially, beliefs were elicited from a group of 30 people using a combination of the traditional TPB elicitation technique supplemented by direct questioning about emotions associated with the behavior. The questionnaire—which included measures of behavioral beliefs, attitudes, subjective norm, perceived behavioral control, and measures of moral norms (worded both positively and negatively)—was completed by 281 people. Multiple regressions showed that for both foods, the positive moral component added significantly to the prediction of intention, while negative ones did not. Also, affective attitude was a strong predictor of intention for both foods. 相似文献
79.
The role of the media in body image concerns among women: a meta-analysis of experimental and correlational studies 总被引:5,自引:0,他引:5
Research suggests that exposure to mass media depicting the thin-ideal body may be linked to body image disturbance in women. This meta-analysis examined experimental and correlational studies testing the links between media exposure to women's body dissatisfaction, internalization of the thin ideal, and eating behaviors and beliefs with a sample of 77 studies that yielded 141 effect sizes. The mean effect sizes were small to moderate (ds = -.28, -.39, and -.30, respectively). Effects for some outcome variables were moderated by publication year and study design. The findings support the notion that exposure to media images depicting the thin-ideal body is related to body image concerns for women. 相似文献
80.
Yair Bar-Haim Nathan A. Fox Brenda Benson Amanda E. Guyer Amber Williams Eric E. Nelson Koraly Perez-Edgar Daniel S. Pine Monique Ernst 《Psychological science》2009,20(8):1009-1018
ABSTRACT— Functional imaging data were acquired during performance of a reward-contingency task in a unique cohort of adolescents (ages 14–18 years) who were characterized since infancy on measures of temperamental behavioral inhibition. Neural activation was examined in striatal structures (nucleus accumbens, putamen, caudate) with a known role in facilitating response to salient reward-related cues. Adolescents with a history of behavioral inhibition, relative to noninhibited adolescents, showed increased activation in the nucleus accumbens when they believed their selection of an action would affect reward outcome. Neural responses did not differ between the two groups when participants made a prespecified response that they knew would result in reward or when they produced random motor responses that they knew would not be rewarded. These results link inhibited temperament and perturbed neural responses to reward-contingency cues. 相似文献