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1.
The relationship between aggression and predation was surveyed in Red wood ants, in the field as well as under laboratory conditions. Aggression between wood ant nests is highest in early spring, and many wood ant wars break out then. The end of these wars coincides with a strong increase in prey density. Since the casualties are taken as food to the warring nests, a hypothesis is formulated that warfare between wood ant nests only occurs in periods when prey demand exceeds the supply. Protein-rich food in early spring is mainly for the benefit of the queens and the sexual larvae. Although the most obvious function of warfare is the defence of a foraging area, the main function may be the advancement of the mating flight dates of the queens in order to make the chance of propagating their genes greatest.  相似文献   

2.
Aggression between colonies of the leaf-cutting ants, Acromyrmex crassispinus and Atta sexdens, was followed in the field. A. sexdens dominated the A. crassispinus nest, but did not overcome it. The A. crassispinus nest was subsequently raided by Labidus praedator, which took larvae and pupae without killing the colony. Aggression between the leaf-cutting ant colonies lasted 17 days. Microgyne production and nest displacement in the attacked A. crassispinus colony may be atrributed to stress.  相似文献   

3.
Despite empirical data suggesting that commuting accidents are a major problem worldwide, research on employee behaviour while commuting by car is scant. In particular, our understanding of the antecedents of unsafe commuting behaviour is limited mainly to demographic variables and work-related physical stressors. Our study addressed this lacuna by investigating the association between work-related psychological stressors and unsafe commuting behaviour. In addition, we developed and validated a scale for measuring commuting norms and considered the permissiveness of these norms as a mediator in the stressor-commuting behaviour association. The results, based on data collected from 216 employees in a large manufacturing plant at 2 points in time, indicated that abusive supervision and work–family conflict were both positively related to unsafe commuting behaviour, and that the permissiveness of commuting norms partially mediated these relationships. The potential role of work organizations in educating employees about commuting behaviour and driving safety is discussed.  相似文献   

4.
A publishing cohort of Kleinian analysts – Rosenfeld, Segal and Bion – implemented Klein's (1946) notions of projective identification and the 'paranoid ' and 'schizoid ' positions in the understanding of a group of psychotic disorders. The author differentiates Klein's (1946) Notes on some schizoid mechanisms paper from its revised version of 1952, maintaining that it was Rosenfeld's clinical work during this period that helped to centralize Klein's redefinition of projective identification. The stage was set for Segal 's contribution in terms of 'symbolic equations,' where the psychotic's attack on the breast left him incarcerated in internal torment and persecution, where things-in-themselves were confused with what they symbolically represented. Segal in turn linked psychotic to normal, paranoid–schizoid to depressive positions, where by means of projective identification and symbolic imagination, the patient could arouse feelings in the analyst related to sadness, guilt and loss. Bion assumed that psychotic pathology reflected disordered thinking, when the severely disturbed used language as a mode of action. The psychotic was profoundly confused between the use of thought and action in the natural world – where thought was required, he preferred action and vice versa. Bion also drew upon projective identification in a new, broader way, so that analysis could now become more of an intersubjective, bi-directional field of projective and communicational influence between patient and analyst. The paper concludes with the impact of the work of Rosenfeld, Segal and Bion and variations on the technique of analyzing psychotic states in terms of the patient's early history, transference and countertransference.  相似文献   

5.
This collection maintains a dialogue between the analytic and continental traditions, while aspiring to situate itself beyond the analytic-continental divide. It divides into four parts, (1) Methodologies, (2) Truth and Meaning, (3) Metaphysics and Ontology, and (4) Values, Personhood and Agency, though there is considerable overlap among the categories. History and temporality are recurrent themes, but there is a lot of metaphysics generally, with some philosophy of language, philosophy of social science, ethics, political philosophy and epistemology. Less prominent is a pragmatic, deflationary attitude, and at a number of points I argue for the virtues of such an approach.  相似文献   

6.
James F. Pierce 《Religion》2013,43(4):717-720
This article introduces a review symposium on Sexuality in Classical South Asian Buddhism. I situate this book in the newly emerging field of Buddhism and sexuality, and also provide a discussion of previous works by the author that led to the current volume under review. I also provide a broad overview of the book itself for those unfamiliar with the work. The responses in this symposium are offered by Sarah H. Jacoby (Northwestern University), John Powers (Deakin University), and Amy Paris Langenberg (Eckerd College).  相似文献   

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