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71.
Toon Leroy Mitchell Silva Rudi D’Hooge Jean-Marie Aerts Daniel Berckmans 《Behavior research methods》2009,41(1):148-153
In this article, an automated and accurate mouse observation method, based on a conventional test for motor function evaluation,
is outlined. The proposed measurement technique was integrated in a regular open-field test, where the trajectory and locomotion
of a free-moving mouse were measured simultaneously. The system setup consisted of a transparent cage and a camera placed
below it with its lens pointing upward, allowing for images to be captured from underneath the cage while the mouse was walking
on the transparent cage floor. Thus, additional information was obtained about the position of the limbs of the mice for gait
reconstruction. In a first step, the camera was calibrated as soon as it was fixed in place. A linear calibration factor,
relating distances in image coordinates to real-world dimensions, was determined. In a second step, the mouse was located
and its body contour segmented from the image by subtracting a previously taken “background” image of the empty cage from
the camera image. In a third step, the movement of the mouse was analyzed and its speed estimated from its location in the
past few images. If the speed was above a 1-sec threshold, the mouse was recognized to be running, and the image was further
processed for footprint recognition. In a fourth step, color filtering was applied within the recovered mouse region to measure
the position of the mouse’s paws, which were visible in the image as small pink spots. Paws that were detected at the same
location in a number of subsequent images were kept as footprints—that is, paws in contact with the cage floor. The footprints
were classified by their position relative to the mouse’s outline as corresponding to the front left or right paw or the hind
left or right paw. Finally, eight parameters were calculated from the footprint pattern to describe the locomotion of the
mouse: right/left overlap, front/hind base, right/left front limb stride, and right/left hind limb stride. As an application,
the system was tested using normal mice and mice displaying pentobarbital-induced ataxia. The footprint parameters measured
using the proposed system showed differences of 10% to 20% between normal and ataxic mice. 相似文献
72.
Several studies have suggested that worry and obsessional symptoms are systematically associated. In the present study, the relationship between worry and obsessional symptoms was confirmed. Measures included a worry content measure, a worry visual analogue scale, a modification of the everyday checking behaviours scale, and the MOCI. Worry was found to be more consistently associated with checking and doubting, than washing and slowness. It is suggested that worry and obsessional symptoms both occur in response to stress. In addition, it is suggested that worry and checking are functionally similar, and Generalised Anxiety Disorder may represent a 'cognitive' variant of obsessional checking. 相似文献
73.
Visual space perception and visually directed action. 总被引:10,自引:0,他引:10
J M Loomis J A Da Silva N Fujita S S Fukusima 《Journal of experimental psychology. Human perception and performance》1992,18(4):906-921
The results of two types of experiments are reported. In 1 type, Ss matched depth intervals on the ground plane that appeared equal to frontal intervals at the same distance. The depth intervals had to be made considerably larger than the frontal intervals to appear equal in length, with this physical inequality of equal-appearing intervals increasing with egocentric distance of the intervals (4 m-12 m). In the other type of experiment, Ss viewed targets lying on the ground plane and then, with eyes closed, attempted either to walk directly to their locations or to point continuously toward them while walking along paths that passed off to the side. Performance was quite accurate in both motoric tasks, indicating that the distortion in the mapping from physical to visual space evident in the visual matching task does not manifest itself in the visually open-loop motoric tasks. 相似文献
74.
Parental attitude questionnaires such as the Parental Attitude Research Instrument (PARI) are still in use despite their inherent difficulties. In light of the need to test theoretical models by measuring a range of parental characteristics, the properties of the PARI were re-examined and, on the basis of a factor analysis of the 23 subtests of the PARI, a shortened version was constructed. A measure of maternal Authoritarian Control, which was found to be associated with measures of maternal mental ability, personality, level of education, reading age, number of adverse family conditions and child-rearing practices, has proved useful for other projects related to this ongoing study. It is recommended that such instruments be used only in conjunction with other measures which examine the family environment, for example in an index of child-rearing practices. 相似文献
75.
This document is a consensus statement on Psychiatry of the Elderly jointly produced by WHO and the Geriatric Psychiatry Section of the World Psychiatric Association, with the collaboration of several pertinent NGOs and the participation of experts from countries in several WHO regions. 相似文献
76.
In this paper I discuss the version of predicative analysis put forward by Hermann Weyl in Das Kontinuum. I try to establish how much of the underlying motivation for Weyl's position may be due to his acceptance of a phenomenological philosophical perspective. More specifically, I analyze Weyl's philosophical ideas in connexion with the work of Husserl, in particular Logische Untersuchungen} and Ideen .I believe that this interpretation of Weyl can clarify the views on mathematical existence and mathematical intuition which are implicit in Das Kontinuum. 相似文献
77.
78.
A controlled trial of cognitive-behavioural and behavioural treatment of anorexia nervosa 总被引:2,自引:0,他引:2
This study was undertaken to investigate whether a cognitive-behavioural treatment procedure was superior to a standard behavioural treatment, in the outpatient therapy of patients with anorexia nervosa. The two treatments were also compared with a control treatment procedure consisting of routine outpatient management. Each group consisted of eight subjects. All the groups showed some improvement, but the findings did not provide support for the prediction that cognitive-behavioural treatment, designed specifically to manipulate both attitudes and behaviour, was superior to the other types of treatment. The implications of the findings are considered. 相似文献
79.
Sheila Williams Rob McGee Jessie Anderson Phil A. Silva 《Journal of abnormal child psychology》1989,17(1):55-71
Self-reports of DSM-III symptomatology were obtained from 792 11-year-old children using the Diagnostic Interview Schedule for Children (DISC). We report results concerning 13 subscales derived from the DISC. Factor-analysis of the subscales suggested a broad distinction between externalizing and internalizing disorder for boys' self-report. For girls, two separate internalizing factors representing anxiety and depression emerged. We also found sex differences in correlates of self-reported disorder. Finally, we examined agreement between child and parent and teacher reports. Overall, agreement was relatively low, although somewhat higher for child-parent than for child-teacher.The Dunedin Multidisciplinary Health and Development Research Unit is supported by the Medical Research Council of New Zealand and the Departments of Education and Health, and involves several departments of the University of Otago. Much of the data are gathered by voluntary workers from the Dunedin community. The authors are indebted to the many people whose contributions make this ongoing study possible. 相似文献
80.
Amy-May Leach Cayla S. Da Silva Christina J. Connors Michael R. T. Vrantsidis Christian A. Meissner Saul M. Kassin 《Applied cognitive psychology》2020,34(2):387-396
We examined whether observers' beliefs about deception were affected by a speaker's language proficiency. Laypersons (N = 105) and police officers (N = 75) indicated which nonverbal and verbal behaviors were predictive of native versus non-native speakers' deception. In addition, they provided their beliefs about these speakers' interrogation experiences. Participants believed that native and non-native speakers would exhibit the same cues to deception. However, they did predict that non-native speakers would likely face several challenges during interrogations (e.g., longer interrogations and difficulties understanding the interrogator's questions). Police officers and laypersons also differed in their beliefs about cues to deception and interrogation experiences. 相似文献