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661.
662.
Willats (1977) analysed developments in the drawing of a table in terms of the projection system in which the table top was represented, and concluded that representation of depth in drawing goes through a series of discrete stages, each of which can be identified with a projection system. A partial replication of Willats' study is presented here, using a much larger sample. The relationship between age and use of projection system found by Willats was in general supported. Not all the “stages” were found to be discrete, however, and an examination of the way in which the table tops were drawn shows that whilst the majority of older children appeared to use perspective, they did not use it correctly. A method is given by which tables that are drawn as if from a central viewpoint can be formally classified. It is concluded that development in the understanding of the representation of depth is not very closely linked to development in the use of projection systems.  相似文献   
663.
664.
Four experiments were conducted to determine the effects of bilateral damage to the hippocampus and area parahippocampalis (Hp-APH) on visual memory in pigeons using the delayed matching-to-sample (DMS) procedure. In Experiment 1, we generated visual retention gradients with delays of 0, 1.5, 3, 6, and 12 sec both preoperatively and postoperatively in three pigeons with considerable preoperative visual DMS experience. Bilateral Hp-APH lesions had no effect whatsoever on visual retention. In Experiment 2, we examined the effects of Hp-APH lesions on both the acquisition of a visual DMS task with a 0-sec delay, and the subsequent retention performance with delays of 0, 3, 6, 12, and 24 sec. There was no difference between unoperated control pigeons and Hp-APH pigeons either in terms of the number of sessions required to learn the visual DMS task or in terms of their subsequent visual retention performance levels. In Experiments 3 and 4, we examined whether Hp-APH pigeons might be more sensitive than control pigeons to the effects of proactive interference (by reducing the duration of the intertrial interval) and retroactive interference (by introducing delay-interval illumination). Although reducing the duration of the intertrial interval and increasing the level of delay-interval illumination both resulted in lower performance levels on the visual DMS task, there was no indication that the Hp-APH pigeons were any more affected by the changes in interference levels than were unoperated control pigeons. These findings support the view that the Hp-APH in pigeons plays little role in the processing and retention of purely visual information.  相似文献   
665.
666.
The literature demonstrates that relational experiences during childhood have a strong impact on the trajectories of psychological growth. This article focuses on the major developmental phases for identity formation, psychological growth, mentalization skills, and ability to share affective states. It presents a careful analysis of some key factors that influence the representation of body image and the relationship with food, from a perspective that integrates relational psychodynamic models. In particular, it looks at the ways in which individuals and caregivers actively co-create the symptomatic process of intrapsychic reality in which body disease and refusal of food are performed.  相似文献   
667.
The construction of body image consists of the ways in which the body is considered, perceived, and evaluated. The ideal body image has been changing considerably over the centuries; the discrepancy between real and ideal body, today, leads many individuals to be dissatisfied with their body, develop negative feelings, and, in some cases, unhealthy behaviors. All this has led, in recent decades, to a sort of cult of the body. As a matter of fact, in Western culture the body has turned into an idol, a strict and demanding god to which one often becomes a slave. This article presents a bibliographical review on the main theories concerning body image, thus opening a space for reflection on its relative disorders, first of all that of body dysmorphism.  相似文献   
668.
ABSTRACT

We replicated and extended (N = 207) work on the social values (i.e., obedience, tradition, security, benevolence, universalism, self-direction, stimulation, hedonism, achievement, and power) linked to the Dark Triad traits (i.e., narcissism, psychopathy, and Machiavellianism). Each of the traits was positively associated with values of achievement and power. Psychopathy and narcissism were both negatively correlated with benevolence, and psychopathy and Machiavellianism were negatively correlated with obedience. Psychopathy was also negatively correlated with tradition. Sex differences in the values of tradition, benevolence, and power were mediated by psychopathy. We suggest that high rates of the Dark Triad traits facilitate, for men, holding social values that emphasize standing out whereas low rates facilitate, for women, fitting in.  相似文献   
669.
T his study examined factors associated with the medical severity of suicide attempts focusing on demographic characteristics, mental health characteristics, and the circumstances of the suicide attempt. Analyses were based on 153 nearly lethal suicide attempters and 47 less lethal suicide attempters aged 13–34 years who presented to emergency departments in Houston, Texas. The results show that young age was significantly associated with a nearly lethal suicide attempt. Prior suicide attempts, hopelessness, depression, and help‐seeking (ever) were significantly and negatively associated with a nearly lethal suicide attempt. None of the suicide attempt factors occurring prior to the attempt were associated with a nearly lethal suicide attempt.  相似文献   
670.
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