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91.
Leynes PA Marsh RL Hicks JL Allen JD Mayhorn CB 《Consciousness and cognition》2003,12(1):1-18; discussion 19-24; author reply 25-30
Strong evidence exists in the literature that remembering to complete intentions involves executive processing subserved by the frontal lobes. Event-related potentials were measured during the encoding of actions with the intention to perform versus more neutral material about which there was no such intentionality. Event-related potentials were also measured in a two-alternative discrimination task requiring identification of the to-be-performed actions and to-be-memorized actions. The results suggest that formation and retrieval of intentions differs from encoding and retrieval of similar material committed to memory. Additionally, the results suggest that right frontal areas may play an important role in the formation of prospective actions and that intentions are kept active in memory by processing mediated by the left frontal pole. 相似文献
92.
In four experiments with 332 participants, participants were asked to generate novel nonwords for English categories. When participants were shown examples embedded with regular orthographic structures, participants’ nonwords tended to conform orthographically to the examples, despite instructions to avoid using features of the examples. The effect was found with immediate testing (Experiment 1) and delayed testing (Experiment 2). The effect was also found with arbitrary features (Experiments 1–4), as well as with naturally occurring orthographic regularities (Experiment 4). Participants had difficulty avoiding the use of this prior knowledge, despite being able to list the features they were asked to avoid (Experiment 3). The results are discussed in terms of the inadvertent use of prior knowledge in generative cognitive tasks. 相似文献
93.
The intention superiority effect is the finding that intentions to perform an activity are stored in a heightened state of activation. The effect has also been generalized to the finding that once an intention is fulfilled, it is inhibited relative to more neutral material about which no intentionality has been formed. In two experiments, we tested some ecological and naturally occurring situations taken from the literature on prospective memory and demonstrated that they have consistent consequences for the activation level of an intention. In Experiment 1, a constellation of unrelated activities displayed heightened activation prior to completion and displayed inhibition after completion. In Experiment 2, canceling the intention resulted in inhibition just as completing the intention does in this paradigm. The results are discussed in terms of their practical and theoretical importance to theories of prospective memory. 相似文献
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95.
In choice reaction time (RT) tasks, college students verified the truth of displays expressing spatial relations between two objects. The relations werelocational (A is left of B) ororientational (A and B are horizontal). The objects were names of states in the United States, symbols, or letter arrays. The objects were memorized prior to the display (states and letters) or were presented as part of the display (symbols and letters). In the location tasks with both states and symbols, locatives were spatial (right, left, above, below) or compass (north, south, east, west). Distance between states was also varied. When location was judged, horizontally aligned stimuli resulted in slower responses than vertically aligned stimuli, independently of materials and locative set. Reaction time was inversely related to distance. When orientation was judged, responses to horizontal pairs of states were slower than responses to vertical pairs of states, responses to horizontal pairs of letters were faster than responses to vertical pairs, and RT did not depend upon the orientation of symbols. This pattern of results suggests that orientational judgments are influenced by type of materials and the entext to which the material has been encoded (i.e., memorized). Locational judgments reflect a potent source of difficulty not present in orientation tasks, namely, telling left from right. Alternative explanations of the right-left effect are discussed. 相似文献
96.
Misinformation surrounding COVID-19 spread rapidly and widely, posing a significant threat to public health. Here, we examined whether some types of misinformation are more believable than others, to the extent that they offer people hope in uncertain times. An initial group of subjects rated a series of COVID-19 misinformation statements for whether each made them feel more or less hopeful (if true). Based on these ratings, we selected two sets of misinformation that differed in their average rated hopefulness; the two sets did not differ in word length or reading ease. In two studies, people rated their belief in each statement. Results from both studies revealed that people rated the more hopeful misinformation (e.g., COVID cures and prevention methods) as truer than less hopeful misinformation (e.g., transmission vectors). These findings are consistent with a motivated reasoning account of misinformation acceptance. 相似文献
97.
Growing concern about the degradation of the environment and public health has called into question the use of conventional household batteries that are consumed and then typically discarded. Because most conventional batteries are not recycled, they end up in landfills where they decompose, potentially leaching harmful chemicals into the surrounding soil. Bio‐based batteries, which are made from agricultural by‐products, have been designed to help meet the need for household batteries while using sustainable, safe technology. This research examines the links between consumer willingness‐to‐pay (WTP) for bio‐based batteries and consumer characteristics and preferences for certain product attributes and environmentally‐friendly practices. We designed a nationwide survey and analyzed the survey data using the dichotomous‐choice contingent valuation method. The results show an increase in the estimated WTP in the Midwest and South in response to an information treatment about bio‐based batteries. Overall, U.S. consumers concerned about green production and recycling practices are willing to pay a premium for bio‐based batteries. Our results provide essential information for quantitatively assessing the potential market impact of bio‐based batteries, for developing effective management and marketing strategies to reach various consumer groups, and for efficiently establishing sustainable policies and regulations. 相似文献
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99.
The authors examined how a perceiver's identification of a target person's actions co-varies with attributions of mind to the target. The authors found in Study 1 that the attribution of intentionality and cognition to a target was associated with identifying the target's action in terms of high-level effects rather than low-level details. In Study 2, both action identification and mind attribution were greater for a liked target, and in Study 3, they were reduced for a target suffering misfortune. In Study 4, it was again found that action identification and mind attribution were greater for a liked target, but like that for the self or a liked other, positive actions were identified at higher levels than negative actions, with the reverse being true for disliked others. In Study 5, the authors found that instructing participants to adopt the target's perspective did not affect mind attribution but did lead to higher level identifications of the target's actions. 相似文献
100.
The Immediate and Delayed Memory Tasks are variations of the Continuous Performance Test. While previous research with the tasks has focused on group performance across multiple blocks and sessions, reliability estimates have not been established. We estimated reliability (1) between blocks of a single testing session (N=106), (2) across four sessions within a single testing day (N=20), and (3) across sessions on four consecutive testing days (N=20). Analyses indicated that the primary variable of interest, i.e., commission of errors, showed acceptable reliability within and across testing periods. 相似文献