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251.
This study experimentally tested the effects of negative emotional video and presentation style of television news stories on viewers' attention to, and memory for, the stories. News stories were selected that elicited either fear or disgust. Also, stories were presented either as “breaking” news, “live” news, or traditional news. Findings suggest that stories that elicited disgust reduced processing resources available at encoding more than stories that elicited fear, and were recognized less. A signal detection analysis was conducted that indicated higher sensitivity for fear stories than for disgust, but there was a conservative criterion bias shift for disgust stories. Presentation style had little impact on resources available at encoding and recognition memory, except that fewer resources were available at encoding shortly after the story was verbally labeled “live” or “breaking,” but that did not translate into differences in recognition memory. These results suggest that including disgust-eliciting images in television news stories hinders processing. These results also suggest that discrete emotional theory is applicable to the limited capacity model of mediated message processing. 相似文献
252.
Spatial memory and reasoning rely heavily on allocentric (often map-like) representations of spatial knowledge. While research has documented many ways in which spatial information can be represented in allocentric form, less is known about how such representations are constructed. For example: Are the very early, pre-attentive parts of the process hard-wired, or can they be altered by experience? We addressed this issue by presenting sub-saccadic (53 ms) masked stimuli consisting of a target among one to three reference features. We then shifted the location of the feature array, and asked participants to identify the target’s new relative location. Experience altered feature processing even when the display duration was too short to allow attention re-allocation. The results demonstrate the importance of early perceptual processes in the creation of representations of spatial location, and the malleability of those processes based on experience and expectations. 相似文献
253.
Matthew M. Walsh Glenn Gunzelmann Hans P. A. Van Dongen 《Psychonomic bulletin & review》2017,24(6):1785-1807
Computational models have become common tools in psychology. They provide quantitative instantiations of theories that seek to explain the functioning of the human mind. In this paper, we focus on identifying deep theoretical similarities between two very different models. Both models are concerned with how fatigue from sleep loss impacts cognitive processing. The first is based on the diffusion model and posits that fatigue decreases the drift rate of the diffusion process. The second is based on the Adaptive Control of Thought – Rational (ACT-R) cognitive architecture and posits that fatigue decreases the utility of candidate actions leading to microlapses in cognitive processing. A biomathematical model of fatigue is used to control drift rate in the first account and utility in the second. We investigated the predicted response time distributions of these two integrated computational cognitive models for performance on a psychomotor vigilance test under conditions of total sleep deprivation, simulated shift work, and sustained sleep restriction. The models generated equivalent predictions of response time distributions with excellent goodness-of-fit to the human data. More importantly, although the accounts involve different modeling approaches and levels of abstraction, they represent the effects of fatigue in a functionally equivalent way: in both, fatigue decreases the signal-to-noise ratio in decision processes and decreases response inhibition. This convergence suggests that sleep loss impairs psychomotor vigilance performance through degradation of the quality of cognitive processing, which provides a foundation for systematic investigation of the effects of sleep loss on other aspects of cognition. Our findings illustrate the value of treating different modeling formalisms as vehicles for discovery. 相似文献
254.
Nonsuicidal self-injury (NSSI) has become a significant public health problem. Although numerous studies have examined cross-sectional psychological correlates of NSSI, there has been little research examining predictors of NSSI over time. The present study examined cross-sectional and longitudinal correlates of NSSI in 81 young adult self-injurers (M age = 19, 74.1% female, 51.9% Caucasian), 51 of whom were followed up 1 year later. At baseline, participants completed self-report measures of NSSI, Axis-I disorders, borderline personality disorder (BPD), and impulsivity, as well as an implicit measure of NSSI attitudes and identity. One year later, participants completed a Timeline Followback Method whereby they indicated their engagement in NSSI over the previous 12 months. Analyses replicated many known cross-sectional correlates of NSSI, including symptoms of several Axis-I disorders and BPD. However, many of these same variables failed to predict the course of NSSI over the 1-year follow-up. The only variables to prospectively predict NSSI were past NSSI (i.e., frequency, methods, and recency of NSSI), participants’ behavioral forecast of their engagement in future NSSI, and BPD features. Findings suggest that many cross-sectional correlates of NSSI may not be useful for predicting subsequent NSSI. Instead, NSSI severity and BPD features appear to best predict continued engagement in NSSI. 相似文献
255.
Haltigan JD Roisman GI Susman EJ Barnett-Walker K Monahan KC 《Developmental psychology》2011,47(2):472-478
A growing body of research suggesting a negative association between basal levels of cortisol and persistent antisocial behavior has emerged. The present study examined relations between awakening cortisol levels and antisocial trajectories from ages 5 to 15 years among individuals in the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development. Antisocial behavior was defined by semiparametric group modeling techniques, which revealed antisocial patterns parallel to Moffitt's (1993) taxonomy of antisocial trajectories. In contrast to the claim that biological diatheses are uniquely characteristic of individuals who demonstrate an early-onset pattern of antisocial behavior, our results suggest that individuals with elevated patterns of antisocial behavior between 5 and 15 years of age-irrespective of the timing of onset or desistance-are more likely to evidence lower awakening cortisol levels compared with individuals with persistently low levels of antisocial behavior. 相似文献
256.
257.
Fraley RC Vicary AM Brumbaugh CC Roisman GI 《Journal of personality and social psychology》2011,101(5):974-992
One of the core assumptions of attachment theory is that attachment representations are stable over time. Unfortunately, the data on attachment stability have been ambiguous, and as a result, alternative theoretical perspectives have evolved to explain them. The objective of the present research was to evaluate alternative models of stability by studying adults in 2 intensive longitudinal investigations. Specifically, we assessed attachment representations in 1 sample (N = 203) daily over a 30-day period and in the other sample (N = 388) weekly over a year. Analyses show that the patterns of stability that exist in adult attachment are most consistent with a prototype model--a model assuming that there is a stable factor underlying temporary variations in attachment. Moreover, although the Big Five personality traits exhibited a pattern of stability that was similar to that of attachment, they did not account for the stability observed in attachment. 相似文献
258.
Forgetting functions were generated for pigeons in a delayed matching-to-sample task, in which accuracy decreased with increasing retention-interval duration. In baseline training with dark retention intervals, accuracy was high overall. Illumination of the experimental chamber by a houselight during the retention interval impaired performance accuracy by increasing the rate of forgetting. In novel conditions, the houselight was lit at the beginning of a retention interval and then turned off partway through the retention interval. Accuracy was low at the beginning of the retention interval and then increased later in the interval. Thus the course of forgetting was reversed. Such a dissociation of forgetting from the passage of time is consistent with an interference account in which attention or stimulus control switches between the remembering task and extraneous events. 相似文献
259.
Andrew M. Busch Glenn M. Callaghan Jonathan W. Kanter David E. Baruch Cristal Weeks 《Journal of Contemporary Psychotherapy》2010,40(1):11-19
Few theories of psychotherapy give direction to the therapist on a moment-to-moment level or make predictions about how specific
therapist techniques change client behavior in session. Functional analytic psychotherapy (FAP, Kohlenberg and Tsai in Functional
analytic psychotherapy: a guide for creating intense and curative therapeutic relationships. Plenum, New York 1991) provides this direction and prediction. Specifically, FAP claims that client problem behaviors will be displayed in the
therapeutic relationship and that the therapist can improve client in-session behavior through differential, contingent responding.
Further, it is assumed that these improvements in session can be generalized to out of session relationships. The FAP rating
scale (FAPRS) was developed for the purpose of coding in-session client and therapist behaviors in an effort to test FAP’s
purported mechanism of change. The current study seeks to replicate and extend initial FAPRS findings (Callaghan et al. in
J Contemp Psychother 33:321–339, 2003) regarding mechanism of change and to address transportability. FAPRS coding data from a single successful case of an individual
diagnosed with Borderline Personality Disorder and treated with FAP is presented. Results indicate that the FAPRS system is
transportable and are generally supportive of the claim that therapist contingent responding leads to client improvement. 相似文献
260.