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41.
Effects of experience on fetal voice recognition 总被引:1,自引:0,他引:1
Kisilevsky BS Hains SM Lee K Xie X Huang H Ye HH Zhang K Wang Z 《Psychological science》2003,14(3):220-224
Abstract - The ability of human fetuses to recognize their own mother's voice was examined. Sixty term fetuses were assigned to one of two conditions during which they were exposed to a tape recording of their mother or a female stranger reading a passage. Voice stimuli were delivered through a loudspeaker held approximately 10 cm above the maternal abdomen and played at an average of 95 dB SPL. Each condition consisted of three 2-min periods: no stimulus, voice (mother or stranger), and no stimulus. Fetal heart rate increased in response to the mother's voice and decreased in response to the stranger's; both responses were sustained for 4 min. The finding of differential behavior in response to a familiar versus a novel voice provides evidence that experience influences fetal voice processing. It supports an epigenetic model of speech perception, presuming an interaction between genetic expression of neural development and species-specific experience. 相似文献
42.
25 adult HIV patients were evaluated in a study of appointments, medication, and compliance with restrictions on sexual activity. The Executive Interview (EXIT) was useful in assessing these patients for cognitive difficulties; compliance with medication and countertransference issues were negatively correlated with EXIT scores. 相似文献
43.
Sylvia Beyer 《Sex roles》1999,40(9-10):787-813
This research assessed the accuracy of academicgender stereotypes. Approximately 9% of participantswere nonwhite (mostly African American and Hispanic).Participants' estimates of the percentage of female and male students and their GPAs were comparedto the actual percentage of female and male students andtheir actual GPAs in 12 majors. Participantssignificantly underestimated the percentage of female students regardless of the gendertype of themajor. Females and males made more accurate percentageestimates for gender-congruent majors. Participantsoverestimated the GPAs of male students significantly more than the GPAs of female students. This wasespecially pronounced for masculine majors. Althoughfemale participants estimated the GPAs of their in-groupmore accurately than the GPAs of the out-group, the reverse was true for male participants. Theimplications of this evidence for inaccurate genderstereotypes regarding academic competence arediscussed. 相似文献
44.
Maturation of human fetal response to vibroacoustic stimulation was examined in 163 high risk fetuses from 23 to 36 weeks gestational age (GA). Each fetus received three vibroacoustic trials and three no-stimulus control trials (randomly assigned) while fetal heart rate (FHR) was recorded and body movement was observed on ultrasound scan. For data analyses, fetuses were categorized into preterm compromised (n = 57), preterm healthy (n = 42) and term healthy (n = 64) based on evidence of compromise at birth. Differential maturation was observed among the outcome groups. The term healthy group exhibited a body movement and, on the first stimulus trial, an FHR deceleration response at 27 weeks GA with a shift to an FHR acceleration response at 30 weeks GA. By 33 weeks GA, responding was indistinguishable from that reported for low risk fetuses with response rates of 92% for both movements and FHR accelerations. The preterm healthy outcome group showed a body movement and an FHR acceleration response at 27 weeks GA. Over gestation, there was no maturation of either response. The preterm compromised outcome group showed a body movement response at 24 weeks GA which did not mature. An FHR acceleration response was elicited at 27 weeks GA with the magnitude of the acceleration increasing over gestation; at 33 weeks GA the magnitude was below that observed in the term healthy group. With advancing gestation, the rate of cardiac–movement coupling increased only in the two healthy outcome groups. It was concluded that differential fetal behaviour as a function of fetal/newborn outcome may reflect differential functional development of the fetal nervous system. 相似文献
45.
We propose a model to measure risk in a prisoner's dilemma based on Coombs' (1973) re‐parameterization of the game as an individual risk decision‐making task that chooses between a gamble of cooperation and another gamble of defection. Specifically, we propose an index, r, to represent the risk associated with cooperation relative to defection. In conjunction with Rapoport's (1967) index of cooperation (K), our formulation of risk allows us to construct games that vary in risk (as indexed by r) while controlling for cooperativeness (as indexed by K). Following utility analysis that models risk seeking as a convex utility function and risk averse as a concave function, we predict that risk‐seeking people cooperate more in games that the cooperation choice is more risky, whereas risk‐averse people cooperate more in games that the cooperation choice is less risky. In the three studies that we varied game parameters, used different measures of risk orientation and prosocial orientation and used different experimental procedures, we found robust results supporting our predictions. Theoretical analysis of our formulation further suggests that risk and cooperativeness of a prisoner's dilemma game is not entirely independent. Games that have a higher cooperativeness index are necessarily more risky. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
46.
In this cross-cultural study, 115 Hong Kong Chinese and 117 Brazilian college students described a childhood peak-experience
(occurring before the age of 14) and provided a self-rating on its enduring impact. Among various categories of peak-experiences,
both Hong Kong Chinese and Brazilians reported interpersonal joy most frequently; the second most frequently reported category
was external achievement for the Hong Kong sample and developmental landmark for the Brazilian sample. Compared with Brazilians’
narratives, those of Hong Kong Chinese were more social-focused, involving greater number of other people, but less specific.
These characteristics of autobiographical memory, i.e., memory focus (self vs. social), memory specificity (specific vs. general),
and the number of other people involved, significantly mediated the relation between culture and interpersonal joy. The present
findings have extended research on peak-experiences to cross-cultural contexts and incorporated measures of autobiographical
memory to unpack cultural variations in these two collectivist societies. 相似文献
47.
Lyndell Bruce Damian Farrow Annette Raynor David Mann 《Psychology of sport and exercise》2012,13(2):152-161
Objectives
The influence of motor skill on perceptual-cognitive and perceptual-motor decision making has been theorised but not verified empirically.Method
Expert (n = 19), developmental (n = 20), and lesser-skilled netballers (n = 19) completed tests designed to evaluate three different components of domain-specific expertise: (i) motor skill-execution; (ii) perceptual-cognitive decision making; and (iii) perceptual-motor decision making.Results
Each of the three measures was found to improve commensurate with domain-specific skill. Decisions requiring movements (perceptual-motor) elicited more accurate decision making than simple verbal responses (perceptual-cognitive), irrespective of participant skill. Although motor skill was found to be related to the successful execution of a most appropriate movement in a game situation, it was not found to limit the nature of the decision made by participants. No evidence was found to support the supposition that lesser-skilled participants bias their perceptual-cognitive decisions towards ones supported by their motor ability.Conclusions
Results fail to comprehensively support the contemporary models for the development of perceptual-cognitive and perceptual-motor skill in sport. 相似文献48.
Clara E. Hill Dorli B. Satterwhite Maria L. Larrimore Aliya R. Mann Victoria C. Johnson Rachel E. Simon Alexandra C. Simpson Sarah Knox 《Counselling and Psychotherapy Research》2012,12(1):13-24
Design: Interviews about attitudes about psychotherapy with 12 undergraduate students who had never been in psychotherapy were analysed using consensual qualitative research. Results: Participants believed that the client role is to disclose, be receptive, and be motivated; that the therapist role is to listen, support, and give advice; and that the therapeutic relationship should be close and personal. Participants had ideas about the benefits (a healing therapeutic relationship, personal and interpersonal changes) and the barriers (self‐stigma and public stigma, difficulty revealing, need to solve problems on own, cost) associated with seeking therapy, and they disliked the idea of being diagnosed. In contrast with participants who were securely attached, those who were insecurely attached more often wanted a professional therapeutic relationship, wanted the therapist to ask questions, mentioned fewer benefits to therapy, and thought that they would have difficulty disclosing to a therapist. Discussion: Implications for changing attitudes about psychotherapy and improving training programs for practitioners are discussed. 相似文献
49.
The present research examined the impact that perceived progress on egalitarian goals had on subsequent racial bias. In particular, a new bogus pipeline procedure was used to provide feedback to participants that they were becoming incrementally more egalitarian. The impact of this information on intergroup behavior and attitudes was tested. In particular, we looked at the effect of goal feedback on outgroup discrimination and ingroup favoritism, as well as implicit racial attitudes. Three studies found that participants demonstrated greater racial bias after receiving feedback that they were progressing on egalitarian goals versus either feedback that they were failing on egalitarian goals or no feedback. Specifically, participants who were told that they were progressively becoming more egalitarian sat farther away from Blacks and closer to Whites and demonstrated greater implicit racial prejudice. The implication of these findings for current theories on prejudice, intergroup relations, and social goals are discussed. 相似文献
50.
This paper reports the cross-validation of the factor pattern of the Perceptions of Knowledge and Skills in Teaching (PKST) survey, which was used to assess the self-perceived pedagogical knowledge and skills of pre-service and beginning teachers. The sample comprised 323 pre-service teachers enrolled in a 1-yr. post-graduate teacher education program in Singapore. The survey had 37 items distributed across six scales: student learning, lesson planning, instructional support, accommodating diversity, classroom management, and care and concern. A confirmatory factor analysis (CFA) was used to cross-validate the survey's factor pattern. The results showed that the model was an acceptable fit to the data. The PKST survey can thus be adapted by different teacher education programs to assess pre-service and beginning teachers' progress in developing their pedagogical knowledge and skills. 相似文献