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81.
Older adults often perform poorly on Theory of Mind (ToM) tests that require understanding of others’ beliefs and intentions. The course and specificity of age changes in belief reasoning across the adult lifespan is unclear, as is the cause of the age effects. Cognitive and neuropsychological models predict that two types of processing might influence age differences in belief reasoning: executive functioning and social cue detection. In the current study we assessed 129 adults aged between 18 and 86 on novel measures of ToM (video clips and verbal vignettes), which manipulated whether true or false belief reasoning was required. On both video and verbal tasks, older adults (aged 65–88) had specific impairments in false belief reasoning, but showed no such problem in performing true belief tasks. Middle-aged adults (aged 40–64) generally performed as well as the younger adults (aged 18–39). Difficulties in updating information in working memory (but not inhibitory problems) partially mediated the age differences in false belief reasoning. Also, the ability to decode biological motion, indexing social cue detection, partially mediated age-related variance in the ability to interpret false beliefs. These results indicate that age differences in decoding social cues and updating information in memory may be important influences on the specific problems encountered when reasoning about false beliefs in old age. 相似文献
82.
The present study investigated the conflict between well-developed attitudes and incentive rewards using the Iowa Gambling
Task. In particular, the incorporation of emotional labels allowed us to model the role of affective biases and their impact
on complex decision making over time. Two experiments manipulated the class of deck label (emotional pictures and racial faces)
using both congruent and incongruent association to the deck incentives. Both experiments demonstrated that an incongruent
association can lead to striking and persistent decision making biases. Thus, a common theme was a general inability to tolerate
conflict between rewards and goal-irrelevant labels. Notably, Experiment 2 demonstrated that this ‘incongruency’ effect appeared
to result from positive labels interfering with aversive experiences from bad decks. More generally, sensitivity to accumulating
losses from punishing decks was primarily associated with successful performance on these Gambling Task variants. These results
suggest emotional biases are readily harmful in complex decision making, and that flexibility in the extent to which we permit
emotional influences to guide our decisions is crucial. 相似文献
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Pauline W. Jansen Hein Raat Johan P. Mackenbach Vincent W. V. Jaddoe Albert Hofman Floor V. van Oort Frank C. Verhulst Henning Tiemeier 《Journal of abnormal child psychology》2010,38(8):1151-1164
In many societies the prevalence of behavioural problems in school-aged children varies by national origin. We examined the association between national origin and behavioural problems in 1½-year-old children. Data on maternal national origin and the Child Behavior Checklist for toddlers (n?=?4943) from a population-based cohort in the Netherlands were used. Children from various non-Dutch backgrounds all had a significantly higher mean behavioural problem score. After adjustment for family risk factors, like family income and maternal psychopathology, the differences attenuated, but remained statistically significant. Non-Dutch mothers with immigration risk factors, such as older age at immigration or no good Dutch language skills, reported significantly more behavioural problems in their offspring. In conclusion, the present study indicated more behavioural problems in immigrant toddlers from various backgrounds. Researchers and policymakers aiming to tackle disparities in behavioural problems should take into account that risks associated with national origin are intertwined with unfavourable family and immigration characteristics. 相似文献
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86.
In the present study, it was investigated by employing a human fear conditioning paradigm whether an extinction retrieval cue can attenuate renewal of conditioned responding after an extinction treatment procedure, and if so, what the precise role of such an extinction cue comprises. It was hypothesized that such a cue can attenuate renewal and would function as a safety signal capable of directly inhibiting the expectancy of an aversive outcome and conditioned skin conductance responding to a conditioned stimulus. The results demonstrated that the extinguished expectancy of an aversive outcome was renewed when the CS was presented outside the extinction context and that an extinction cue attenuated this effect. This extinction cue, however, only transferred its inhibitory properties to other, non-extinguished stimuli when there was no contextual switch. This safety signal function was not observed after a switch in context. Possible functions of the extinction cue and its application in extinction-based exposure treatments are discussed. 相似文献
87.
Twenty children, ten 2-year-olds and ten 3-year-olds, participated in an AB procedure. In the baseline phase, each child was trained the same four matching relations to criterion under intermittent reinforcement. During the subsequent imitation test, the experimenter modeled a total of 20 target gestures (six trials each) interspersed with intermittently reinforced baseline trials. In each session, target gestures were selected in a pre-randomized sequence from: Set 1--ear touches; Set 2--shoulder touches; Set 3--midarm touches; and Set 4--wrist touches; subjects' responses to targets were not reinforced. In each target set, half the gestures featured in nursery matching games and were termed common targets whereas the remainder, which were topographically similar but did not feature in the games, served as uncommon targets. The children produced significantly more matching responses to common target models than to uncommon ones. Common responses were also produced as mismatches to uncommon target models more often than vice versa. Response accuracy did not improve over trials, suggesting that "parity" did not serve as a conditioned reinforcer. All children showed a strong bias for "mirroring"--responding in the same hemispace as the modeler. The 2-year-olds produced more matching errors than the 3-year-olds and most children showed a bias for responding with their right hands. The strong effects of training environment (nursery matching games) are consistent with a Skinnerian account, but not a cognitive goal theory account, of imitation in young children. 相似文献
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Pauline Banks Nicola Cogan Sheila Riddell Susan Deeley Malcolm Hill Kay Tisdall 《British Journal of Guidance & Counselling》2002,30(3):229-246
Almost 3 million children in the UK live in households where at least one family member is affected by chronic illness or disability. A proportion of these children will be young carers. This paper begins with a brief review of the literature relating to young carers. Particular attention is paid to the adoption of a caring role, the'hidden' nature of caring including young people'sreluctance to discuss their caring, the impact of caring on education, and the location and type of services provided.The findings of a small-scale study carried out in Scotland are presented in order to highlight some of the issues raised in the literature. Discussion focuses on the implications for the field of guidance and counselling. 相似文献