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Hyoun Kyoung Pyoun Jesse Sargent Stephen Dopkins John Philbeck 《Memory & cognition》2013,41(8):1132-1143
We explored a system that constructs environment-centered frames of reference and coordinates memory for the azimuth of an object in an enclosed space. For one group, we provided two environmental cues (doors): one in the front, and one in the rear. For a second group, we provided two object cues: a front and a rear cue. For a third group, we provided no external cues; we assumed that for this group, their reference frames would be determined by the orthogonal geometry of the floor-and-wall junction that divides a space in half or into multiple territories along the horizontal continuum. Using Huttenlocher, Hedges, and Duncan’s (Psychological Review 98: 352-376, 1991) category-adjustment model (cue-based fuzzy boundary version) to fit the data, we observed different reference frames than have been seen in prior studies involving two-dimensional domains. The geometry of the environment affected all three conditions and biased the remembered object locations within a two-category (left vs. right) environmental frame. The influence of the environmental geometry remained observable even after the participants’ heading within the environment changed due to a body rotation, attenuating the effect of the front but not of the rear cue. The door and object cues both appeared to define boundaries of spatial categories when they were used for reorientation. This supports the idea that both types of cues can assist in environment-centered memory formation. 相似文献
223.
Jesse Q. Sargent Jeffrey M. Zacks John W. Philbeck Shaney Flores 《Memory & cognition》2013,41(5):769-780
Research investigating how people remember the distance of paths they walk has shown two apparently conflicting effects of experience during encoding on subsequent distance judgments. By the feature accumulation effect, discrete path features such as turns, houses, or other landmarks cause an increase in remembered distance. By the distractor effect, performance of a concurrent task during path encoding causes a decrease in remembered distance. In this study, we ask the following: What are the conditions that determine whether the feature accumulation or the distractor effect dominates distortions of space? In two experiments, blindfolded participants were guided along two legs of a right triangle while reciting nonsense syllables. On some trials, one of the two legs contained features: horizontally mounted car antennas (gates) that bent out of the way as participants walked past. At the end of the second leg, participants either indicated the remembered path leg lengths using their hands in a ratio estimation task or attempted to walk, unguided, straight back to the beginning. In addition to response mode, visual access to the paths and time between encoding and response were manipulated to determine whether these factors would affect feature accumulation or distractor effects. Path legs with added features were remembered as shorter than those without, but this result was significant only in the haptic response mode data. This finding suggests that when people form spatial memory representations with the intention of navigating in room-scale spaces, interfering with information accumulation substantially distorts spatial memory. 相似文献
224.
Moral judgments can be positive or negative: we can judge action as good or wrong. Here we show that good judgments and wrong judgments are influenced by incidental emotions. Using instrumental music as an induction method, we show that anger, but not happiness, increases the tendency to judge actions as wrong (Experiment 1). We also show that happiness increases the tendency to praise actions as both good and obligatory, while anger reduces these judgments (Experiment 2). These findings extend the literature on emotions and moral judgment by demonstrating impact of anger and happiness, and by contrasting goodness and wrongness in their emotional valence. The findings also show that music can have a significant impact on moral judgment. This is important because music is a highly prevalent situational variable. The use of instrumental music may have advantages over other induction techniques because it does not carry specific semantic cues that might encourage people to think about morality. 相似文献
225.
What does mass-count syntax contribute to the interpretation of noun phrases (NPs), and how much of NP meaning is contributed by lexical items alone? Many have argued that count syntax specifies reference to countable individuals (e.g., cats) while mass syntax specifies reference to unindividuated entities (e.g., water). We evaluated this claim using the quantity judgment method, and tested the interpretation of words used in mass and count syntax that described either protracted, "durative" events (e.g., mass: some dancing; count: a dance), or instantaneous, "punctual" events (e.g., mass: some jumping; count: a jump). For durative words, participants judged, for example, that six brief dances are more dances but less dancing than two long dances, thus showing a significant difference in their interpretation of the count and mass usages. However, for punctual words, participants judged, for example, that six small jumps are both more jumps and more jumping than two long jumps, resulting in no difference due to mass-count syntax. Further, when asked which dimensions are important for comparing quantities of durative and punctual events, participants ranked number as first in importance for durative and punctual words presented in count syntax, but also for punctual words presented in mass syntax. These results indicate that names for punctual events individuate when used in either mass or count syntax, and thus provide evidence against the idea that mass syntax forces an unindividuated construal. They also indicate that event punctuality as encoded by verbs is importantly linked to the individuation of NPs, and may access a common underlying ontology of individuals. 相似文献
226.
According to the affect heuristic, people often rely upon their overall affective impression of a target to form judgments of risk. However, innovation research has largely characterized risk perception as a function of what the consumer knows rather than how they feel. In three studies, this research investigates the use of the affect heuristic in consumer judgments of product innovations. The findings indicate that judgments of risks and benefits associated with product innovations are inversely related and affectively congruent with evaluations of those innovations. Additionally, more affectively extreme evaluations are associated with increasingly disparate judgments of risk and benefit. This research contributes to our theoretical understanding of both consumers' evaluations of product innovations and the affect heuristic. Implications and suggestions for future research are also discussed. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
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Michael S. Cohen Jesse Rissman Nanthia A. Suthana Alan D. Castel Barbara J. Knowlton 《Cognitive, affective & behavioral neuroscience》2014,14(2):578-592
A number of prior fMRI studies have focused on the ways in which the midbrain dopaminergic reward system coactivates with hippocampus to potentiate memory for valuable items. However, another means by which people could selectively remember more valuable to-be-remembered items is to be selective in their use of effective but effortful encoding strategies. To broadly examine the neural mechanisms of value on subsequent memory, we used fMRI to assess how differences in brain activity at encoding as a function of value relate to subsequent free recall for words. Each word was preceded by an arbitrarily assigned point value, and participants went through multiple study–test cycles with feedback on their point total at the end of each list, allowing for sculpting of cognitive strategies. We examined the correlation between value-related modulation of brain activity and participants’ selectivity index, which measures how close participants were to their optimal point total, given the number of items recalled. Greater selectivity scores were associated with greater differences in the activation of semantic processing regions, including left inferior frontal gyrus and left posterior lateral temporal cortex, during the encoding of high-value words relative to low-value words. Although we also observed value-related modulation within midbrain and ventral striatal reward regions, our fronto-temporal findings suggest that strategic engagement of deep semantic processing may be an important mechanism for selectively encoding valuable items. 相似文献
229.
Cody Morris Jacob P. Oliveira Jesse Perrin Caitlyn A. Federico Paula J. Martasian 《Journal of applied behavior analysis》2024,57(2):304-318
Arranging assent opportunities is an increasingly common strategy for involving clients in therapeutic decisions within behavior analysis. Recent behavior-analytic articles have helped create a basic behavioral definition and conceptualization of assent, but much more guidance is needed for practitioners and researchers interested in embedding assent into their practices. The purpose of this article is to advance the conceptualization and understanding of assent and assent practices by refining previous definitions and conceptualizations of assent and providing six essential considerations for embedding assent into practice. The six considerations consist of determining the applicability and feasibility of assent, assessing assent-related skills, arranging assent procedures and teaching assent-related skills, arranging fair choices, selecting opportunities to assess assent, and informally assessing assent. Following the discussion of the considerations for assent practices, we issue a call for specific topics of research on assent. 相似文献
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