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81.
82.
Apparently sophisticated behaviour during problem-solving is often the product of simple underlying mechanisms, such as associative
learning or the use of procedural rules. These and other more parsimonious explanations need to be eliminated before higher-level
cognitive processes such as causal reasoning or planning can be inferred. We presented three Bornean orangutans with 64 trial-unique
configurations of a puzzle-tube to investigate whether they were able to consider multiple obstacles in two alternative paths,
and subsequently choose the correct direction in which to move a reward in order to retrieve it. We were particularly interested
in how subjects attempted to solve the task, namely which behavioural strategies they could have been using, as this is how we may
begin to elucidate the cognitive mechanisms underpinning their choices. To explore this, we simulated performance outcomes
across the 64 trials for various procedural rules and rule combinations that subjects may have been using based on the configuration
of different obstacles. Two of the three subjects solved the task, suggesting that they were able to consider at least some
of the obstacles in the puzzle-tube before executing action to retrieve the reward. This is impressive compared with the past
performances of great apes on similar, arguably less complex tasks. Successful subjects may have been using a heuristic rule
combination based on what they deemed to be the most relevant cue (the configuration of the puzzle-tube ends), which may be
a cognitively economical strategy. 相似文献
83.
Cooper NR Puzzo I Pawley AD Bowes-Mulligan RA Kirkpatrick EV Antoniou PA Kennett S 《Cognitive, affective & behavioral neuroscience》2012,12(2):393-405
Ongoing debate in the literature concerns whether there is a link between contagious yawning and the human mirror neuron system
(hMNS). One way of examining this issue is with the use of the electroencephalogram (EEG) to measure changes in mu activation
during the observation of yawns. Mu oscillations are seen in the alpha bandwidth of the EEG (8–12 Hz) over sensorimotor areas.
Previous work has shown that mu suppression is a useful index of hMNS activation and is sensitive to individual differences
in empathy. In two experiments, we presented participants with videos of either people yawning or control stimuli. We found
greater mu suppression for yawns than for controls over right motor and premotor areas, particularly for those scoring higher
on traits of empathy. In a third experiment, auditory recordings of yawns were compared against electronically scrambled versions
of the same yawns. We observed greater mu suppression for yawns than for the controls over right lateral premotor areas. Again,
these findings were driven by those scoring highly on empathy. The results from these experiments support the notion that
the hMNS is involved in contagious yawning, emphasise the link between contagious yawning and empathy, and stress the importance
of good control stimuli. 相似文献
84.
Although the link between cognition and affect in the advertising context has been demonstrated in several studies, no research to date has considered adolescents’ affective responses to movie posters and their attitudes to negative and positive images. A 2 (between subjects) × 4 (within subjects) mixed‐factorial experiment design comprising two groups of subjects (80 adolescents and 80 young adults) and four advertising stimuli (two highly positive images and two highly negative images) was used to test the differences in the subjects’ attitudes to advertising, positive and negative affect, and viewing intentions. Although the adolescents, compared to the young adults, did not appear to have significantly stronger attitudes to emotional advertisements (ads), they showed a similar level of intensity of affective response when exposed to negative and positive images. 相似文献
85.
Hambrick DZ Libarkin JC Petcovic HL Baker KM Elkins J Callahan CN Turner SP Rench TA Ladue ND 《Journal of experimental psychology. General》2012,141(3):397-403
Sources of individual differences in scientific problem solving were investigated. Participants representing a wide range of experience in geology completed tests of visuospatial ability and geological knowledge, and performed a geological bedrock mapping task, in which they attempted to infer the geological structure of an area in the Tobacco Root Mountains of Montana. A Visuospatial Ability × Geological Knowledge interaction was found, such that visuospatial ability positively predicted mapping performance at low, but not high, levels of geological knowledge. This finding suggests that high levels of domain knowledge may sometimes enable circumvention of performance limitations associated with cognitive abilities. 相似文献
86.
Gender priming studies have demonstrated facilitation of noun production following pre-activation of a target noun??s grammatical gender. Findings provide support for models in which syntactic information relating to words is stored within the lexicon and activated during lexical retrieval. Priming effects are observed in the context of determiner plus noun phrase production. Few studies demonstrate gender priming effects in bare noun production (i.e., nouns in isolation). We investigated the effects of English determiner primes on bare mass and count noun production. In two experiments, participants named pictures after exposure to primes involving congruent, incongruent and neutral determiners. Facilitation of noun production by congruent and neutral determiner primes was found in both experiments. The results suggest that noun phrase syntax is activated in lexical retrieval, even when not explicitly required for production. Post hoc analysis of the relative frequency of congruent and incongruent prime-target pairs provides support for a frequency-based interpretation of the data. 相似文献
87.
This study examined the association between recollected parental child-rearing strategies and individual differences in self-regulation, socio-emotional adjustment, and psychopathology in early adulthood. Undergraduate participants (N = 286) completed the EMBU - a measure of retrospective accounts of their parents' child-rearing behaviors - as well as self-report measures of self-regulation and socio-emotional adjustment across the domains of eating disorder symptoms, physically risky behavior, interpersonal problems, personal financial problems, and academic maladjustment. A subset of participants also completed the Minnesota Multiphasic Personality Inventory-2-Restructured Form (MMPI-2-RF). Parental warmth was found to be related to overall better self-regulation and improved interpersonal and academic adjustment. In contrast, both parental rejection and overcontrol were found to be related to general deficits in self-regulation as well as adjustment difficulties and psychopathology. Parental rejection was most closely related to internalizing clinical presentations like anxiety, depression, and somatization, whereas overcontrol was most aligned with increased hypomanic activation and psychoticism. Mediation analyses demonstrated that the relationships between parental child-rearing strategies and socio-emotional adjustment and psychopathology were partially mediated by self-regulation. Future directions are suggested, including basic and translational research related to better understanding the roles of parental child-rearing and self-regulation in the development of internalizing symptoms, activation, and psychotic symptoms. 相似文献
88.
Children typically follow a well-defined series of stages as they learn to draw, but the rate at which they progress through these stages varies from child to child. Some experts have argued that these individual differences in drawing development reflect individual differences in intelligence. Here we assessed the validity of a drawing test that is commonly used to assess children’s intellectual abilities. In a single study, 125 5- and 6-year-olds completed the Draw-A-Person: A Quantitative Scoring System (DAP:QSS) and the Wechsler Preschool and Primary Scale of Intelligence-Revised (WPPSI-R) or the Wechsler Abbreviated Scale of Intelligence (WASI). Although there was a statistically significant correlation between scores on the DAP:QSS and scores on the Wechsler tests, when the scores of individual children were examined, the DAP:QSS yielded a high number of false positives and false negatives for low intellectual functioning. We conclude that the DAP:QSS is not a valid measure of intellectual ability and should not be used as a screening tool. 相似文献
89.
We show that the contemporary debate surrounding the question “What is the norm of assertion?” presupposes what we call the quantitative view, i.e. the view that this question is best answered by determining how much epistemic support is required to warrant assertion. We consider what Jennifer Lackey (2010) has called cases of isolated second-hand knowledge and show—beyond what Lackey has suggested herself—that these cases are best understood as ones where a certain type of understanding, rather than knowledge, constitutes the required epistemic credential to warrant assertion. If we are right that understanding (and not just knowledge) is the epistemic norm for a restricted class of assertions, then this straightforwardly undercuts not only the widely supposed quantitative view, but also a more general presupposition concerning the universalisability of some norm governing assertion—the presumption (almost entirely unchallenged since Williamson’s 1996 paper) that any epistemic norm that governs some assertions should govern assertions—as a class of speech act—uniformly. 相似文献
90.