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91.
Strong DR Leventhal AM Evatt DP Haber S Greenberg BD Abrams D Niaura R 《Journal of abnormal psychology》2011,120(4):999-1005
Among chronic smokers, individual differences in subjective reactions to smoking may characterize important facets of nicotine dependence that relate to abstinence-induced craving, withdrawal symptom profiles, and risk for relapse. Although the negative reinforcing properties of smoking have achieved prominent positions in models of relapse (Baker, Brandon, & Chassin, 2004), vulnerability to relapse risk may also arise from seeking positive reinforcement from smoking (Shiffman & Kirchner, 2009). In this study, 183 cessation-motivated smokers provided subjective craving, positive and negative reactions to standardized cigarettes following overnight abstinence. Level of craving, negative mood, and positive mood after overnight abstinence were significantly predictive of withdrawal on quit-day. Increased positive reactions to smoking were uniquely predictive of relapse after quitting (Hazard Ratio = 1.22, p < .001). Individual differences in positive reactions to smoking may be important markers of neurobiological systems that promote dependence and interfere with cessation efforts. 相似文献
92.
Jessica F. Hay Bruna Pelucchi Katharine Graf Estes Jenny R. Saffran 《Cognitive psychology》2011,(2):93-106
The processes of infant word segmentation and infant word learning have largely been studied separately. However, the ease with which potential word forms are segmented from fluent speech seems likely to influence subsequent mappings between words and their referents. To explore this process, we tested the link between the statistical coherence of sequences presented in fluent speech and infants’ subsequent use of those sequences as labels for novel objects. Notably, the materials were drawn from a natural language unfamiliar to the infants (Italian). The results of three experiments suggest that there is a close relationship between the statistics of the speech stream and subsequent mapping of labels to referents. Mapping was facilitated when the labels contained high transitional probabilities in the forward and/or backward direction (Experiment 1). When no transitional probability information was available (Experiment 2), or when the internal transitional probabilities of the labels were low in both directions (Experiment 3), infants failed to link the labels to their referents. Word learning appears to be strongly influenced by infants’ prior experience with the distribution of sounds that make up words in natural languages. 相似文献
93.
Learning across languages: bilingual experience supports dual language statistical word segmentation
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Bilingual acquisition presents learning challenges beyond those found in monolingual environments, including the need to segment speech in two languages. Infants may use statistical cues, such as syllable‐level transitional probabilities, to segment words from fluent speech. In the present study we assessed monolingual and bilingual 14‐month‐olds’ abilities to segment two artificial languages using transitional probability cues. In Experiment 1, monolingual infants successfully segmented the speech streams when the languages were presented individually. However, monolinguals did not segment the same language stimuli when they were presented together in interleaved segments, mimicking the language switches inherent to bilingual speech. To assess the effect of real‐world bilingual experience on dual language speech segmentation, Experiment 2 tested infants with regular exposure to two languages using the same interleaved language stimuli as Experiment 1. The bilingual infants in Experiment 2 successfully segmented the languages, indicating that early exposure to two languages supports infants’ abilities to segment dual language speech using transitional probability cues. These findings support the notion that early bilingual exposure prepares infants to navigate challenging aspects of dual language environments as they begin to acquire two languages. 相似文献
94.
Do interindividual differences in prospective memory task performance reflect individual differences in personality and lifestyle? Do the cognitive abilities known to change with age retain their power to predict episodic prospective memory task performance after controlling for personality and lifestyle variables, and do personality and lifestyle variables offer predictive power apart from that provided by cognitive ability measures? To answer these questions, we conducted a study with community‐living healthy individuals (n= 141) between 18 and 81 years of age. They completed three different episodic prospective memory tasks – two laboratory tasks and one field task – as well as various measures of personality, lifestyle, and cognitive ability. The results indicated that personality and lifestyle reliably predicted who will succeed and who will fail on all three episodic prospective memory tasks. Conscientiousness predicted performance on two of the prospective memory tasks; socially prescribed perfectionism and neuroticism each predicted performance on one of the prospective memory tasks. Cognitive ability predicted performance on one of the laboratory prospective memory tasks but not on the other two prospective memory tasks. After we controlled for individual differences in personality and lifestyle variables, cognitive ability was no longer able to predict performance on the laboratory prospective memory task. By contrast, controlling for cognitive ability had no influence on the predictive power of the personality and lifestyle variables. 相似文献
95.
Dr. med. Marc Graf Prof. Dr. med. Volker Dittmann 《Forensische Psychiatrie, Psychologie, Kriminologie》2009,3(2):99-106
Internet sex offending, especially child pornography, is widespread and numbers of convictions are increasing steadily worldwide. The still sparse data from research as well as empiricism from risk assessment and therapeutic work suggest the following: Internet sex offender as well as child abusers are represented in all social classes and all age ranges. Both show similarities in dependent, avoidant and partially schizoid social interaction as well as in anxiety. However the personality organisation of child abusers is usually less structured and tends towards personality disorder, especially with emotionally instable and antisocial traits. Usually pedophilia can be diagnosed in child abusers. Internet sex offenders on the other hand have fewer prior convictions, are less likely to fail in the community, have a very low risk of sexual recidivism and only part of them fulfil the diagnostic criteria for pedophilia. There is no clear evidence for an escalation from internet sex offending to child abuse. The essential characteristics for an escalation are well known and should lead to immediate therapeutic intervention as well as psychological strain should. Only few institutions worldwide provide professional help to support the ones concerned to reduce stigma and thus prevent recidivism and child abuse. 相似文献
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Ina Fassbender Arnold Lohaus Hoben Thomas Manuel Teubert Marc Vierhaus Sibylle M. Spangler Thorsten Kolling Claudia Goertz Frauke Graf Bettina Lamm Helene Gudi Claudia Freitag Heidi Keller Monika Knopf Gudrun Schwarzer 《Infant and child development》2012,21(4):325-337
This longitudinal study assessed 133 Caucasian German infants at 3 and 6 months of age to investigate the influence of own‐race and other‐race faces as visual stimuli on association learning in the visual expectation paradigm (VExP). The study is related to the findings on the other‐race‐effect (ORE) which is said to emerge at 6 months of age. Caucasian faces were used as stimuli of a familiar ethnic category, whereas African faces were used as stimuli of an unfamiliar ethnic category. There was no significant difference between the two stimulus classes in infants' reaction time (RT) to stimulus shifts at 3 months. At 6 months of age, infants' RT decreased significantly in the Caucasian faces condition but not in the African faces condition. These results indicate that the processing of other‐race versus own‐race faces by the age of 6 months, which is also the relevant age for the onset of the ORE, has an important influence on the performance on the VExP. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献