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41.
Herzog MH Schmonsees U Boesenberg JM Mertins T Fahle M 《Perception & psychophysics》2008,70(5):887-895
How the elements of a visual scene are grouped into objects is one of the most fundamental but still poorly understood questions in visual neuroscience. Most investigations of perceptual grouping focus on static stimuli, neglecting temporal aspects. Using a masking paradigm, we show that the neural mechanisms underlying grouping seem to be both fast and complex. For example, a vernier target was followed by, first, a briefly presented grating and, then, a long-lasting, extended grating. Under these conditions, the briefly presented grating is hardly visible. Still, vernier discrimination strongly changed with the number of elements of the briefly displayed grating being worst for small gratings. In accordance with a neural network model of masking, we propose that the edges of the briefly presented grating and the vernier interfere in spite of the short presentation time. We suggest that this fast edge processing is a first step for unconscious grouping processes. 相似文献
42.
Prof. Dr. Henning Schauenburg Hans-Christoph Friederich Beate Wild Stephan Zipfel Wolfgang Herzog 《Psychotherapeut》2009,54(4):270-280
The paper presents a manual for the focal psychodynamic psychotherapy of anorexia nervosa (AN). The manual was developed in the context of the largest randomized controlled trial of outpatient psychotherapy for AN so far [Anorexia Nervosa Treatment of OutPatients (ANTOP), n=234]. The study compares focal psychodynamic psychotherapy with cognitive-behavioral therapy and with a control group with free choice of therapy outside the study. The manual comprises instructions for the working through of typical focal emotional and interpersonal issues of AN. Also recommendations for anorexia-specific therapeutic difficulties in the course of treatment are given. First results concerning the efficacy of the therapies carried out based on the manual are expected after completion of the ANTOP study in the middle of the year 2010. 相似文献
43.
M Lehnung B Leplow A Herzog B Benz A Ritz H Stolze M Mehdorn R Ferstl 《Child neuropsychology》2001,7(2):59-71
Spatial behavior in 20 children with severe traumatic brain injury (TBI) and 20 healthy controls was investigated using the Kiel Locomotor Maze. Children had to remember defined locations in an experimental chamber with completely controlled intra- and extra-maze cues until learning criterion was reached. In a second experiment, spatial orientation strategies were assessed. Children with TBI were shown to be impaired in spatial learning and spatial memory. Spatial orientation was found to be deficient even in cases where spatial learning and memory proved to be unimpaired, especially in tasks that demanded the use of relational place strategies. Children who suffered a TBI at an early age proved to be more severely impaired in spatial learning and orientation than older children. 相似文献
44.
Patterns of labor-force participation were studied with a broad array of indicators of physical and psychological well-being. The sheer amount of work--whether people work and, if so, how many hours they work--shows little relationship to health and well-being. Drawing on scattered existing research and theory, it is hypothesized and found that persons whose patterns of labor-force participation (or nonparticipation) reflect their personal preference report higher levels of physical and psychological well-being than do those whose level of labor-force involvement is constrained by other factors. The results do not differ by gender, age (65 years and older vs. 55-64 years), or occupation (professional vs. clerical or sales vs. blue-collar workers). Data are from 1,339 respondents 55 years of age or older in the Americans' Changing Lives Survey, a large national, cross-sectional survey of Americans 25 years of age and older with an oversample of those 60 years of age and older, and are analyzed by ordinary least squares multiple regression. 相似文献
45.
Thomas R. Herzog 《Attention, perception & psychophysics》1976,20(3):215-219
Subjects classified briefly presented uppercase letters as belonging to the first or second half of the alphabet. A prior alternative preceded each target letter by 200 or 1,400 msec. It was either an ampersand (control), a lowercase letter (opposite case), or an uppercase letter (same case). In the latter two conditions, the target was equally likely to be identical in name to the prior alternative or from the opposite half of the alphabet. For the 200-msec onset asynchrony, classification accuracy was greater in the same-case condition than in the other two conditions, which did not differ. For the 1,400-msec onset asynchrony, accuracy in both the same- and opposite-case conditions was greater than accuracy in the control condition. Same- and opposite-case prior alternatives always biased subjects toward classifying the target in the same half of the alphabet as the alternative. The accuracy results suggest that internally generated images can be used to aid target classification in the opposite-case condition. 相似文献
46.
We examined the relationship between urinary incontinence and psychological distress in a sample of community-dwelling older adults. The data are from a probability sample of Washtenaw County, Michigan residents ages 60 years and older, who were interviewed in 1983 and 1984. A total of 747 women and 541 men were included in the analyses. Experiencing urinary incontinence, particularly in a severe form, was weakly related to depression, negative affect, and low life satisfaction. These relationships are partly explained by the fact that incontinent respondents are less healthy than are continent respondents. 相似文献
47.
This research was intended to further establish convergent and discriminant validity for a recent Body Esteem Scale (BES) which measures different dimensions of body satisfaction in young adults. One hundred and fifty-four male and 193 female undergraduates completed the BES, the Body Consciousness Questionnaire (BCQ), the Self-Esteem Scale, and several questions pertaining to exercise, food intake, and attractiveness. Good convergent and discriminant validity was demonstrated by the Male Upper Body Strength and Physical Condition subscales and by the female Weight Concern, Physical Condition, and Sexual Attractiveness subscales. 相似文献
48.
49.
We conducted 2 experiments to examine how mothers structure directions to young children for finding hidden objects and how young children use these directions to guide their searches. In Experiment 1, we examined the reference frames mothers use to communicate with their 2.5-, 3-, and 3.5-year-old children about location by asking mothers to verbally disambiguate a target hiding container from an identical nontarget hiding container. We found that mothers' reference frame use was primarily governed by the relative proximity of the target container to the landmark and themselves. Older children were more successful in following directions than were younger children, and children were more likely to search successfully in response to a person than to a landmark frame of reference. In Experiment 2, we further investigated how 3-year-old children follow directions involving person and landmark frames of reference by asking mothers to use either only themselves or only the landmark to describe the target location. Children in the person reference frame condition successfully followed their mother's directions when the target was relatively close to the mother, but not when the target was relatively far from the mother. Children in the landmark reference frame condition were at chance regardless of the relative proximity of the target to the landmark. The discussion focuses on the roles of spatial proximity and reference frames in mother-child spatial communication. 相似文献
50.
Maria Lehnung Bernd Leplow Arne Herzog Barbara Benz Annegret Ritz Henning Stolze 《Child neuropsychology》2013,19(2):59-71
Spatial behavior in 20 children with severe traumatic brain injury (TBI) and 20 healthy controls was investigated using the Kiel Locomotor Maze. Children had to remember defined locations in an experimental chamber with completely controlled intra- and extra-maze cues until learning criterion was reached. In a second experiment, spatial orientation strategies were assessed. Children with TBI were shown to be impaired in spatial learning and spatial memory. Spatial orientation was found to be deficient even in cases where spatial learning and memory proved to be unimpaired, especially in tasks that demanded the use of relational place strategies. Children who suffered a TBI at an early age proved to be more severely impaired in spatial learning and orientation than older children. 相似文献