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71.
Benoît G. Bardy William H. Warren Bruce A. Kay 《Attention, perception & psychophysics》1999,61(7):1356-1368
Three hypotheses have been proposed for the roles of central and peripheral vision in the perception and control of self-motion: (1) peripheral dominance, (2) retinal invariance, and (3) differential sensitivity to radial flow. We investigated postural responses to optic flow patterns presented at different retinal eccentricities during walking in two experiments. Oscillating displays of radial flow (0° driver direction), lamellar flow (90°), and intermediate flow (30°, 45°) patterns were presented at retinal eccentricities of 0°, 30°, 45°, 60°, or 90° to participants walking on a treadmill, while compensatory body sway was measured. In general, postural responses were directionally specific, of comparable amplitude, and strongly coupled to the display for all flow patterns at all retinal eccentricities. One intermediate flow pattern (45°) yielded a bias in sway direction that was consistent with triangulation errors in locating the focus of expansion from visible flow vectors. The results demonstrate functionally specific postural responses in both central and peripheral vision, contrary to the peripheral dominance and differential sensitivity hypotheses, but consistent with retinal invariance. This finding emphasizes the importance of optic flow structure for postural control regardless of the retinal locus of stimulation. 相似文献
72.
Mark Conner Rachel Warren Stephen Close Paul Sparks 《Journal of applied social psychology》1999,29(8):1676-1704
This study examined the predictive power of the theory of planned behavior (TPB) in explaining alcohol consumption in 3 prospective samples of students ( Ns = 178. 176. and 159). Generally, the TPB performed well. with attitudes, subjective norms and perceived behavioral control (PBC) explaining between 28% and 46% of the variability in intentions. Intentions and PBC explained between 12% and 50% of the variability in behavior. Measures of self-identity as a "drinker" and past behavior contributed to predictions of intentions over and above the contribution of attitudes. subjective norms. and PBC. Measures of past behavior but not self-identity consistently contributed to predictions of behavior over and above the contributions from intentions and PBC. The direct relationship between past behavior and intention and between past behavior and behavior (independent of the TPB variables or self-identity) could not be attributed to common method variance. 相似文献
73.
Grande TL Hallman J Rutledge B Caldwell K Upton B Underwood LA Warren KM Rehfuss M 《Behavioral sciences & the law》2012,30(3):365-369
Varying risk factors for both incarceration and mental health diagnoses have been identified for female juveniles, highlighting the need for gender-specific assessments and treatment protocols. The purpose of this study is to determine how the prevalence rates of mental health symptoms differ in male and female juvenile offenders. It was hypothesized that the prevalence rates would be greater for females than males. This study found significant differences between males and females on several clinical scales. These findings are consistent with past studies that have identified differences in mental health symptoms between genders. 相似文献
74.
75.
Mainstream North American media promotes the message that attaining a thin, youthful appearance is central to a woman’s value and social role while appearing older is highly undesirable. However, appearance ideals and attitudes toward aging differ substantially across cultural and ethnic groups, which may influence the degree to which one internalizes media ideals and holds anti-aging attitudes. Consequently, this study examined the relationships between internalization of the youthful, thin-ideal appearance perpetuated by mainstream North American media and attitudes toward the elderly in a sample of 281 undergraduate females under the age of 30 attending a university in the Western United States. Specifically, European American (n?=?115), Asian American/Pacific Islander (n?=?74), Hispanic/Latina (n?=?52), and African American (n?=?42) women voluntarily completed self-report measures of internalization of media ideals and attitudes towards older adults. Attitudes towards the elderly were significantly more negative at higher levels of internalization of North American appearance ideals, independent of ethnicity. These data suggest that internalization of North American appearance ideals perpetuated by media are related to negative attitudes towards older adults. Future research should investigate the influence of negative attitudes about aging on behaviors toward older adults or one’s own aging process. 相似文献
76.
Inhibitory control is widely hypothesized to be the cornerstone of executive function in childhood and the central deficit in a number of developmental disorders, including attention‐deficit/hyperactivity disorder (ADHD). However, recent evidence from adults indicates that performance on response inhibition tasks may primarily reflect non‐inhibitory attentional control (context monitoring) processes. Yet it may be that inhibition plays a more central role in childhood – a time when the architecture of cognitive processes might be more transparent due to wide variability in skill level. Here we directly test inhibitory and context monitoring explanations of task performance on a Go/No‐Go task in a large group of children 4–12 years of age. We conclude that traditional inhibitory conceptualizations of task performance on the Go/No‐Go task cannot account for our findings, calling into question evidence supporting a central role for inhibitory control in cognitive development or developmental psychopathology. 相似文献
77.
Denise D. Ben-Porath Anita Federici Lucene Wisniewski Mark Warren 《Journal of Contemporary Psychotherapy》2014,44(4):245-251
The current investigation sought to determine whether a standard outpatient dose of dialectical behavior therapy (DBT) skills training (2 h per week) coupled with standard CBT treatment would be sufficient to produce changes in affect regulation over the course of day hospitalization treatment. In an uncontrolled pre-post treatment design, 65 women diagnosed with anorexia nervosa or bulimia nervosa were assessed at the beginning of treatment and at the end of treatment on affect regulation. Findings indicated that participants demonstrated a significant improvement in their ability to regulate affect, suggesting that weekly DBT treatment may play an important role in producing changes in affect regulation. Secondary analyses on eating disorder outcomes revealed a significant increase in weight gain as well as a significant reduction in restriction, bingeing, purging and eating disordered cognitions. Findings are discussed in the context of clinical and treatment implications for those with severe eating disorders. 相似文献
78.
79.
We investigated people's ability to decide how much time to spend on the task at hand. To make such decisions well, one must take into account, among other things, the cost of failing and how one's task performance changes as a function of time. We first investigated timing decisions when the underlying task was perceptual. Decisions were highly efficient and suggested that people can make good use of perceptual knowledge and abstract reward information. Previous studies have found that perceptual decisions are generally optimal, but that cognitive decisions are generally suboptimal--a perception-cognition gap. Does a similar gap exist for timing decisions? We compared timing decisions for a perceptual task with timing decisions for more cognitive tasks. Performance was highly similar across the tasks, which suggests that knowledge can be acquired, and used to make timing decisions, in an equally efficient way regardless of whether that knowledge is derived through perceptual or cognitive experience. 相似文献
80.
Ricks Warren George Zgourides 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》1989,7(3):167-172
The present study provides further validity and normative data for the Malouff and Schutte (1986) Belief Scale. Belief Scale, Eysenck Personality Questionnaire-Neuroticism Scale, and Beck Depression Inventory scores of a sample of 197 adults were correlated, and evidence for both construct and discriminant validities and support for the RET model were obtained. The Belief Scale appears to be a promising instrument for clinical research and the assessment of irrational beliefs.Ricks Warren, Ph.D. is the Director of the Anxiety Disorders Clinic, Lake Oswego, Oregon, and Associate Clinical Professor at the Oregon Graduate School of Professional Psychology, Pacific University. George D. Zgourides, M.A., is a doctoral student in clinical psychology at Pacific University of Forest Grove, Oregon and an associate therapist at the Anxiety Disorders Clinic of Lake Oswego, Oregon. 相似文献