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101.
Two studies examined children's confidence judgments in the accuracy of their memories after repeated experience of an event. Children aged 5 to 6 years took part in an event once or four times, were provided with misinformation either shortly after (Study 1) or a while after (Study 2), and interviewed with yes/no recognition questions 3 months later. Children in the repeated‐experience conditions were highly confident of their accurate responses to questions about items that were identical rather than variable across occurrences, and this discrimination was best at the shorter delay. The results show that children were able to metacognitively monitor the accuracy of their responses to qualitatively different kinds of details, and indicate that age is not the only determinant of metacognitive awareness after being misled. Rather, the nature of event representations must also be considered. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
102.
This study investigates body esteem factors (weight-esteem and appearance-esteem) as mediators of the relationship between ‘internalization of the ideal body figure’ and disordered eating behaviors (restrained, emotional and external eating) in a community sample of adolescent males (n = 810) and females (n = 1137) from the Ontario Research on Eating and Adolescent Lifestyles (REAL) study. Mediation models were examined using a bootstrapping approach to test indirect effects and indirect contrasts. In males, weight-esteem partially mediated the relationship between muscular ideal and restrained eating; appearance-esteem partially mediated effects in the emotional and external eating regressions. In females, both weight-esteem and appearance-esteem partially mediated the relationship between thin ideal and all three forms of disordered eating; weight-esteem was a stronger mediator for restrained eating, and appearance-esteem a stronger mediator for emotional and external eating. Body esteem is important to consider for prevention and treatment of disordered eating in both genders. 相似文献
103.
Vetere G Restivo L Novembre G Aceti M Lumaca M Ammassari-Teule M 《Learning & memory (Cold Spring Harbor, N.Y.)》2011,18(9):554-557
Structural synaptic changes occur in medial prefrontal cortex circuits during remote memory formation. Whether extinction reverts or further reshapes these circuits is, however, unknown. Here we show that the number and the size of spines were enhanced in anterior cingulate (aCC) and infralimbic (ILC) cortices 36 d following contextual fear conditioning. Upon extinction, aCC spine density returned to baseline, but the enhanced proportion of large spines did not. Differently, ILC spine density remained elevated, but the size of spines decreased dramatically. Thus, extinction partially erases the remote memory network, suggesting that the preserved network properties might sustain reactivation of extinguished conditioned fear. 相似文献
104.
The subject of this article is the frame problem, as conceived by certain cognitive scientists and philosophers of mind, notably Fodor for whom it stands as a fundamental obstacle to progress in cognitive science. The challenge is to explain the capacity of so-called informationally unencapsulated cognitive processes to deal effectively with information from potentially any cognitive domain without the burden of having to explicitly sift the relevant from the irrelevant. The paper advocates a global workspace architecture, with its ability to manage massively parallel resources in the context of a serial thread of computation, as an answer to this challenge. Analogical reasoning is given particular attention, since it exemplifies informational unencapsulation in its most extreme form. Because global workspace theory also purports to account for the distinction between conscious and unconscious information processing, the paper advances the tentative conclusion that consciousness may go hand-in-hand with a solution to the frame problem in the biological brain. 相似文献
105.
Modulation of brain activity during phonological familiarization 总被引:5,自引:0,他引:5
Majerus S Van der Linden M Collette F Laureys S Poncelet M Degueldre C Delfiore G Luxen A Salmon E 《Brain and language》2005,92(3):320-331
We measured brain activity in 12 adults for the repetition of auditorily presented words and nonwords, before and after repeated exposure to their phonological form. The nonword phoneme combinations were either of high (HF) or low (LF) phonotactic frequency. After familiarization, we observed, for both word and nonword conditions, decreased activation in the left posterior superior temporal gyrus, in the bilateral temporal pole and middle temporal gyri. At the same time, interaction analysis showed that the magnitude of decrease of activity in bilateral posterior temporal lobe was significantly smaller for LF nonwords, relative to words and HF nonwords. Decrease of activity in this area also correlated with the size of behavioral familiarization effects for LF nonwords. The results show that the posterior superior temporal gyrus plays a fundamental role during phonological learning. Its relationship to sublexical and lexical phonological processing as well as to phonological short-term memory is discussed. 相似文献
106.
Turgeon M Bregman AS Roberts B 《Journal of experimental psychology. Human perception and performance》2005,31(5):939-953
The rhythm created by spacing a series of brief tones in a regular pattern can be disguised by interleaving identical distractors at irregular intervals. The disguised rhythm can be unmasked if the distractors are allocated to a separate stream from the rhythm by integration with temporally overlapping captors. Listeners identified which of 2 rhythms was presented, and the accuracy and rated clarity of their judgment was used to estimate the fusion of the distractors and captors. The extent of fusion depended primarily on onset asynchrony and degree of temporal overlap. Harmonic relations had some influence, but only an extreme difference in spatial location was effective (dichotic presentation). Both preattentive and attentionally driven processes governed performance. 相似文献
107.
This paper reviews the evidence-based literature concerning the efficacy and effectiveness of cognitive behavior therapy (CBT), drug treatment and their combination for obsessive compulsive disorder (OCD). After a brief outline of the seminal studies, the state of the art is presented with reference to the consensual recommendations proposed in the last 10 years. Management of OCD rests on potent selective serotonin reuptake inhibitors and CBT, used separately, sequentially, or concurrently. A hierarchical model for clinical decision-making is reported. With greater severity of OCD, it is recommended to add medications. However, the response rate is still too low in many patients, and some patients remain refractory to any kind of treatment. This stresses the importance of joint efforts of psychological and biological teams to develop new treatments. 相似文献
108.
Poirier C Henry L Mathelier M Lumineau S Cousillas H Hausberger M 《Journal of comparative psychology (Washington, D.C. : 1983)》2004,118(2):179-193
Social influence on song acquisition was studied in 3 groups of young European starlings raised under different social conditions but with the same auditory experience of adult song. Attentional focusing on preferred partners appears the most likely explanation for differences found in song acquisition in relation to experience, sex, and song categories. Thus, pair-isolated birds learned from each other and not from broadcast live songs, females did not learn from the adult male tutors, and sharing occurred more between socially associated peers. On the contrary, single-isolated birds clearly copied the adult songs that may have been the only source of attention stimulation. Therefore, social preference appears as both a motor for song learning and a potential obstacle for acquisition from nonpreferred partners, including adults. 相似文献
109.
110.
Kremin H Akhutina T Basso A Davidoff J De Wilde M Kitzing P Lorenz A Perrier D van der Sandt-Koenderman M Vendrell J Weniger D Apt P Arabia C De Bleser R Cohen H Corbineau M Dolivet MC Hirsh K Lehoux E Metz-Lutz MN Montañes P Plagne S Polonskaya N Sirois M Stachowiak F Sweeney T Vish-Brink E 《Brain and cognition》2003,53(2):243-246
The well established effect of word frequency on adult's picture naming performance is now called into question. This is particularly true for variables which are correlated with frequency, as is the case of age of word acquisition. Since the work of [Carrol and White, 1973] there is growing agreement among researchers to confer an important role in lexical access to this variable. Indeed, it has been shown ( [Hodgson and Ellis, 1998]) that for normal English-speaking adults only the variables 'age-of-acquisition' and 'name agreement' are independent predictors of naming success among the various variables considered. However, when brain-damaged subjects with and without degenerative pathologies are studied, word frequency and word length as well as concept familiarity all give significant effects ( [Hirsh and Funnell, 1995]; [Lambon Ralph et al., 1998]; [Nickels and Howard, 1995]). Finally, it has been suggested that the production of specific error types may be related to such variables. According to [Nickels and Howard, 1994] the production of semantic errors is specifically affected by 'imageability' and in the recent study by [Kremin et al., 2001] 'age of acquisition' predicts (frank) word finding difficulties. 相似文献