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51.
Donnchadh Murphy Emily Cornford Alice Higginson Alyson Norman Rebecca Long Rupert Noad 《Journal of Neuropsychology》2023,17(3):491-504
The Oxford cognitive screen (OCS) is a stroke-specific cognitive screening assessment. Although the test developers have provided psychometric information for the assessment, the OCS has received minimal external scrutiny, with which to triangulate the underpinning psychometrics. The purpose of this study is to provide a critical review and independent validation of the OCS. This study analysed data from an anonymised clinical database, which consisted of 316 patients who were assessed using the OCS on an Acute Stroke Unit. The rates of impairment on tests of memory and receptive communication were lower than expectation, suggesting that these subtests may be relatively insensitive. Patients with aphasia were more likely to be unable to categorised as impaired on non-language tests, suggesting that they remain sensitive to language processing or non-dominant hand usage. Some of the subtests of the OCS achieve high retest reliability, which makes them good candidates for measuring cognitive change over time. Although the OCS has many advantages, it is also important to adequately consider its limitations, that is insensitivity to memory problems, the potential confounding impact of non-dominant hand usage, and the potential that some tests may sample overall cognitive ability instead of domain-specific functioning. 相似文献
52.
Research supports the conclusion that adults interact differently with children of different sexes. Laboratory and home studies indicate that fathers/adult males are the primary agents of sex typing and that mothers/adult females are the primary caretakers, especially regarding the managerial aspects of child care. Little attention, however, has been directed at the public display of these differences and their covariance. Observations were made of 6414 visitors to the Sacramento zoo, with 524 adult females, 524 adult males, and 524 toddler triumvirates targeted for specific analyses of adult-child interactions and caretaking behaviors. Males were significantly more likely to carry female toddlers than male toddlers, while females made no such distinction. Adult females were more likely than adult males to push the child's stroller. Related research on the father's role in sex-typing behavior and the role of the division of child care between parents in the maintenance and reproduction of gender roles is discussed.This research was supported by a University of California at Davis Faculty Research Grant to the second author. We thank R. J. Mitchell for his contributions, both in and out of his stroller. 相似文献
53.
This study describes the use of a “cooperative” computer game in which the subject has to follow directions, supposedly sent from a partner, and steer a tank to avoid invisible mines. The tank is lost if it hits a mine or does not reach base within a set time limit. The game was designed so that the majority of trials would be lost. Affective (mood self-ratings), cognitive (attribution of blame questionnaire), and behavioural (feedback sent to the “partner”) outcomes were assessed. The game significantly increased ratings of discontentedness and anger. Self-blame for task failure was correlated with the Guilt subscale of the Buss-Durkee Hostility Inventory (BDHI), and blaming the partner was correlated positively with the Motor Aggression subscale and negatively with the empathy scale of the I7, supporting the notion of hostile attributional bias in adults. The importance of individual differences in the strength of the behavioural inhibition system (BIS) and behavioural activation system (BAS) were explored using the BIS/BAS scales developed by Carver and White [1994]. Sending negative feedback to the partner was negatively correlated with scores on the BIS. Scores on BAS drive were positively correlated with increases in discontentedness and with sending negative feedback on trials when the tank was lost due to lack of time. These results are discussed in relation to Berkowitz's [1993] model of affective aggression. Aggr. Behav. 24:27–36, 1998. © 1998 Wiley-Liss, Inc. 相似文献
54.
Shimp CP Froehlich AL Herbranson WT 《Journal of comparative psychology (Washington, D.C. : 1983)》2007,121(1):73-81
Experiment 1 showed that the Hick-Hyman law (W. E. Hick, 1952; R. Hyman, 1953) described the effects of anticipated reinforcement, a form of incentive, on pigeons' (Columba livia) reaction time to respond to a target spatial location. Reaction time was an approximately linear function of amount of information interpreted as probability of reinforcement, implying that pigeons processed incentive at a constant rate. Experiment 2 showed that the Hick-Hyman law described effects of incentive even when it varied from moment to moment in a serial reaction time task similar to that of M. J. Nissen and P. Bullemer (1987), and processing information about target spatial location modulated absolute reaction time and not rate of processing incentive. The results support mental continuity and provide comparative support for the idea of the economics of information in economic theory about the incentive value of information. 相似文献
55.
56.
Melissa B. Waters Dorothea C. Lerman Alyson N. Hovanetz 《Journal of applied behavior analysis》2009,42(2):309-313
The separate and combined effects of visual schedules and extinction plus differential reinforcement of other behavior (DRO) were evaluated to decrease transition‐related problem behavior of 2 children diagnosed with autism. Visual schedules alone were ineffective in reducing problem behavior when transitioning from preferred to nonpreferred activities. Problem behavior decreased for both participants when extinction and DRO were introduced, regardless of whether visual schedules were also used. 相似文献
57.
Severe acts of aggression have been associated with prefrontal dysfunction. Less severe aggression may be associated with more subtle abnormalities. P300 event‐related potentials were recorded from 32 healthy volunteers during a novel modified oddball task. The task required participants to respond only to rare, food words (targets), which occurred randomly among neutral words. Aggressive words appeared randomly with the same frequency as the target words. A median split divided subjects into high‐ and low‐aggression groups based on their scores on the Buss–Durkee Hostility Inventory. The groups did not differ in their responses to the target words. Participants with higher aggression scores had lowered responses to the aggressive words at the frontal relative to the other electrode sites. Cognitive processing of aggressive stimuli was less efficient at frontal sites in individuals who reported higher levels of aggression. This result extends work showing frontal P300 decrements in more severe aggressive groups, using simple oddball tasks. Aggr. Behav. 32:1–8, 2006. © 2006 Wiley‐Liss, Inc. 相似文献
58.
Previous research has found concurrent and prospective associations between negative mood and body dissatisfaction; however, only experimental research can establish causal relationships. This study utilized an experimental design to examine the influence of negative mood on body dissatisfaction. Undergraduate women were randomly assigned to an experimental or control condition. Participants in the experimental condition (n=21) completed a negative mood induction procedure. Participants in the control condition (n=24) completed a neutral mood procedure. All participants completed visual analog scales regarding their mood and satisfaction with weight and shape before and after each manipulation. Body dissatisfaction increased following the procedure for experimental but not control participants, suggesting that negative mood caused increased body dissatisfaction. In cultures that idealize thinness, body dissatisfaction may arise from funneling general feelings of dysphoria into more concrete and culturally meaningful negative feelings about the body. 相似文献
59.
Brief glimpses of nonverbal behavior (or “thin slices”) offer ample visual information to make reliable judgments about individuals. Previous work has largely focused on the personality characteristics and traits of individuals; however, the nature of dyadic relationships (strangers, lovers, or friends) can also be determined (Ambady & Gray, Journal of Personality and Social Psychology, 83, 947–961 2002). Judgments from thin slices are known to be accurate, but the motion features supporting accurate performance are unknown. We explored whether personal familiarity was detectable within the context of “thin slices” of genuine interaction, as well as the invariant properties of thin-slice recognition. In two experiments, participants sequentially viewed two 6-s silent videos on each trial of an individual interacting with an unfamiliar partner; the other depicted the same person interacting with a personally familiar partner. All sequences were cropped so that only the target individual was visible. In Experiment 1, participants viewed either the original sequences, reversed sequences, a static-image “slideshow” of the sequence, or a static-image slideshow with blank frames separating the images. In Experiment 2, all participants viewed the original sequences and clips played at either double speed or half speed. Participants’ performance was above chance in the forward and reverse conditions, but was significantly better in both the static-image slideshow conditions. When task speed was manipulated, we found a larger performance cost for fast than for slow videos. Detecting personal familiarity via spontaneous natural gestures depends on information in static images more than on face or body movement. Although static images are typically less important for recognizing nonverbal behavior, we argue they may be valuable for making familiarity judgments from thin slices. 相似文献
60.
In order to address the mental health disparities that exist for Latino adolescents in the United States, psychologists must understand specific factors that contribute to the high risk of mental health problems in Latino youth. Given the significant percentage of Latino youth who are immigrants or the children of immigrants, acculturation is a key factor in understanding mental health among this population. However, limitations in the conceptualization and measurement of acculturation have led to conflicting findings in the literature. Thus, the goal of the current review is to examine and critique research linking acculturation and mental health outcomes for Latino youth, as well as to integrate individual, environmental, and family influences of this relationship. An integrated theoretical model is presented and implications for clinical practice and future directions are discussed. 相似文献