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521.
The Role of Interruptions and Contextual Associations in Delayed‐Execute Prospective Memory
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Gabriel I. Cook J. Thadeus Meeks Arlo Clark‐Foos Paul S. Merritt Richard L. Marsh 《Applied cognitive psychology》2014,28(1):91-103
We conducted three experiments to examine the dynamics of a delayed‐execute prospective memory task involving task interruptions. In the delayed‐execute paradigm, participants must delay a response until some future condition is met. After an intention was formed to a salient cue, an interruption reduced prospective memory relative to a no‐interruption condition. Prospective memory for cues encountered during an interrupting task was worse than for cues occurring before an interruption, but the location of the cue in either the ongoing task or the interruption did not affect prospective memory. Importantly, reinstating the prevailing context after the interruption alleviated the negative influence of the interruption. Providing participants with information about the future context for making the delayed‐execute response also alleviated some of these deficits presumably because participants could encode more specific features of the performance context. These results highlight the potential importance of contextual associations and reminders in completing everyday intentions successfully. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
522.
Pointing to locations can either help or hinder people's ability to recall spatial information. Prior research has focused on two‐dimensional spatial memory and pointing in real world tasks. The effect of pointing on three‐dimensional spatial memory in virtual environments remains unexplored. We examine this effect by comparing participants' recall when they point to and memorize a series of three‐dimensional locations using a gesture interface, and when they only passively view and memorize the spatial array. Thirty‐three participants completed 50 trials in both conditions. The results reveal that pointing has a negative effect on memory in the three‐dimensional virtual environment. These findings held across memory in the x–y plane of the computer screen as well as memory in the virtual third dimension. When they pointed during encoding, participants also responded more slowly, suggesting a higher cognitive load. Thus, active pointing may cause interference when users are simultaneously performing spatial memorization tasks. 相似文献
523.
Toshikazu Kuroda James E. Cook Kennon A. Lattal 《Journal of the experimental analysis of behavior》2018,109(1):164-175
The effect of response rates on resistance to change, measured as resistance to extinction, was examined in two experiments. In Experiment 1, responding in transition from a variable‐ratio schedule and its yoked‐interval counterpart to extinction was compared with pigeons. Following training on a multiple variable‐ratio yoked‐interval schedule of reinforcement, in which response rates were higher in the former component, reinforcement was removed from both components during a single extended extinction session. Resistance to extinction in the yoked‐interval component was always either greater or equal to that in the variable‐ratio component. In Experiment 2, resistance to extinction was compared for two groups of rats that exhibited either high or low response rates when maintained on identical variable‐interval schedules. Resistance to extinction was greater for the lower‐response‐rate group. These results suggest that baseline response rate can contribute to resistance to change. Such effects, however, can only be revealed when baseline response rate and reinforcement rate are disentangled (Experiments 1 and 2) from the more usual circumstance where the two covary. Furthermore, they are more cleanly revealed when the programmed contingencies controlling high and low response rates are identical, as in Experiment 2. 相似文献
524.
Animal Cognition - Detecting global patterns in the environment is essential to object perception and recognition. Consistent with this, pigeons have been shown to readily detect and locate... 相似文献
525.
Coye Cheshire Judd Antin Karen S. Cook Elizabeth Churchill 《Knowledge, Technology, and Policy》2010,23(3-4):311-331
When people rely on the web to gather and distribute information, they can build a sense of trust in the websites with which they interact. Understanding the correlates of trust in most websites (general website trust) and trust in websites that one frequently visits (familiar website trust) is crucial for constructing better models of risk perception and online behavior. We conducted an online survey of active Internet users and examined the associations between the two types of web trust and several independent factors: information technology competence, adverse online events, and general dispositions to be trusting or cautious of others. Using a series of nested ordered logistic regression models, we find positive associations between general trust, general caution, and the two types of web trust. The positive effect of information technology competence erases the effect of general caution for general website trust but not for familiar website trust, providing evidence that general trust and self-reported competence are stronger associates of general website trust than broad attitudes about prudence. Finally, the experience of an adverse online event has a strong, negative association with general website trust, but not with familiar website trust. We discuss several implications for online behavior and suggest website policies that can help users make informed decisions about interacting with potentially risky websites. 相似文献
526.
Do chimpanzees have better spatial working memory than humans? In a previous report, a juvenile chimpanzee outperformed 3
university students on memory for briefly displayed digits in a spatial array (Inoue & Matsuzawa, 2007). The authors described
these abilities as extraordinary and likened the chimpanzee's performance to eidetic memory. However, the chimpanzee received
extensive practice on a non-time-pressured version of the task; the human subjects received none. Here we report that, after
adequate practice, 2 university students substantially outperformed the chimpanzee. There is no evidence for a superior or
qualitatively different spatial memory system in chimpanzees. 相似文献
527.
Tatiana M. Davidson Brian E. Bunnell Benjamin E. Saunders Rochelle F. Hanson Carla K. Danielson Danna Cook Brian C. Chu Shannon Dorsey Zachary W. Adams Arthur R. Andrews Jesse H. Walker Kathryn E. Soltis Judith A. Cohen Esther Deblinger Kenneth J. Ruggiero 《Behavior Therapy》2019,50(2):367-379
Mental health systems need scalable solutions that can reduce the efficacy–effectiveness gap and improve mental health outcomes in community mental health service settings. Two major challenges to delivery of high-quality care are providers’ fidelity to evidence-based treatment models and children’s and caregivers’ engagement in the treatment process. We developed a novel, tablet-based application designed to enhance via technology the quality of delivery of trauma-focused cognitive-behavioral therapy (TF-CBT). We piloted its use in four community mental health service organizations using a blocked randomized controlled trial to examine the feasibility of implementing tablet-facilitated TF-CBT versus standard TF-CBT with 13 providers and 27 families. Provider fidelity and child engagement in treatment were observationally measured via session audio recording. Parent and child perceptions of the tablet application were assessed using structured interviews and mixed-method analyses. Providers actively and appropriately used tablet TF-CBT to facilitate treatment activities. Providers and families expressed high satisfaction with its use, demonstrating acceptability of this approach. Youth and caregivers in both conditions reported high alliance with their providers. Overall, we found that tablet-facilitated treatment is accepted by providers and families and may be integrated into mental health treatment with minimal training. Further study is needed to examine the extent to which technology-based applications may enhance the reach, quality, and clinical outcomes of mental health treatment delivered to children and families. 相似文献
528.
529.
Depression, Disability, And Rehabilitation Services For Women 总被引:1,自引:0,他引:1
Judith A. Cook 《Psychology of women quarterly》2003,27(2):121-129
The purpose of this paper is to review scientific evidence for the co-occurrence of major depressive illness and disability, and to examine this phenomenon specifically for women in the United States today. Following a discussion of different ways of operationalizing the concept of disability, the analysis addresses gender biases in disability measurement as well as in recent research on depression and functional impairment. Next, the results of research regarding co-occurrence of disability and depression are reviewed, highlighting those studies focused specifically on women. Turning to research on rehabilitation services for those with psychiatric disabilities, studies suggest that service delivery models fail to address needs specific to women with mental illness in general, as well as those women experiencing severe depression. Thus, the analysis concludes with a series of suggestions and future directions for investigators seeking to better understand the linkages between depression, disability, and rehabilitation services for women. 相似文献
530.
Recently it has been claimed by Livingstone and Hubel that, of three anatomically and functionally distinct visual channels (the magnocellular, parvocellular interblob, and blob channels), only the magnocellular channel is involved in the processing of stereoscopic depth. Since the magnocellular system shows little overt colour opponency, the reported loss of the ability to resolve random-dot stereograms defined only by colour contrast seems consistent with this view. However, Julesz observed that reversed-contrast stereograms could be fused if correlated colour information was added. In the present study, 'noise' (non-corresponding) pixels were injected into random-dot stereograms in order to increase fusion time. All six subjects tested were able to achieve stereopsis in less than three minutes when there was only correspondence in colour and not in luminance, and three when luminance contrast was completely reversed. This ability depends on information about the direction of colour contrast, not just the presence of chromatic borders. When luminance and chromatic contrast are defined in terms of signal-to-noise ratios at the photoreceptor mosaic, chromatic information plays at least as important a role in stereopsis as does luminance information, suggesting that the magnocellular channel is not uniquely involved. 相似文献