Relationship of testosterone to men's family functioning at mid-life: A research note

Sociobiological theory suggests that aggression coupled with altruism is highly adaptive for males in all social systems, including the family, whereas sex-role convergence theory indicates that lower levels of aggression are most adaptive for men, particularly at mid-life. The purpose of this study was to determine the role that testosterone, as a proxy for aggression, plays as an adaptive mechanism in the lives of middle-aged males. The sample used in this study consisted of 37 middle-aged (39–50 years of age) males employed in professional occupations in a midwestern metropolitan area. Testosterone levels were regressed on factors typically found to be related to male satisfaction with family life at mid-life: marital satisfaction, parent-adolescent communication, amount of emotional expressiveness, and androgynous characteristics; recent positive and negative stressors and trait anxiety were statistically controlled. Results of step-wise multiple regression analysis indicated that low levels of testosterone were significantly (R = .34, P < .01) related to enhanced marital and parental relationships and androgynous behaviors; however, emotional expressiveness was significantly related to high levels of testosterone.     

The anatomy of loneliness

Loneliness is a potent but little understood risk factor for broad-based morbidity and mortality. We review five social neurobehavioral mechanisms that may account for this association. The evidence suggests that different mechanisms explain short-term and long-term effects, and that the long-term effects operate through multiple pathways. Implications for the design of interventions are discussed.     

意识状态改变的心理生理学理论与实证研究

从“意识状态”解释人类意识的本质是当前意识心理学研究的一个重要取向。研究意识状态改变(ASC)的物质生理基础具有十分突出的理论和临床实践意义。意识状态改变可以分为自发、物理和生理原因、心理方式和疾病引起这样四个方面,不同类型的意识状态改变可以从激活、意识域、自我觉察和感觉振荡四个维度进行综合归类和分析。不仅脑结构功能状态、脑动力的暂时变化、神经化学过程和新陈代谢过程等因素影响着人的意识经验改变状态,而且环境变化、心理活动和自我控制及技巧也可以暂时改变人的意识功能状态。     

RNA干扰现象研究获诺贝尔奖的启示

RNA干扰现象是目前生命科学领域的研究热点。由于RNA干扰具有十分重要的理论和应用价值,因此该现象在揭示后仅8年其研究者就获得了诺贝尔生理与医学奖。通过回顾RNA干扰现象的发现历程,可以为今后的科研探索过程提供许多有益的启示。     

A Systemic Analysis of the Dynamics and Organization of Urban Street Gangs

Street gangs function as ongoing, open social systems in relation to their surrounding sociocultural context. Fundamentally, gangs are comparable to some family systems. In fact, most gangs do consider themselves to be “families.” The same concepts used to describe family systems may also be applied to street gangs. Street gangs usually exhibit a highly complex organization, structure, process, and functionality. All of these aspects intertwine within and around the gang to form a web of interconnectedness and continuity. To better understand street gangs and provide effective intervention plans, they must be viewed from this systematic and holistic perspective.     

再生障碍性贫血发病机制的探讨

目前再生障碍性贫血发病机制有如下解释:造血干(祖)细胞缺陷;造血微环境功能缺陷;免疫功能紊乱.这些解释显示着深刻的哲学意义,正确地应用哲学思维将有助于对再生障碍性贫血发病机制的进一步深入研究.     

Integrative study in physiology and medicine: Obstacles on the road to integration

A recent report of the Long-Range Planning Committee of the American Physiological Society identifies physiology with “integrative biology” and urges that physiologists make their field “a unique branch of biology that deals with synthesis and integration.” However, certain institutional, procedural, and psychological obstacles lie in the way of those who would embark upon this task. The hurdles to be overcome include the following: the erroneous belief that biomedical scientists are already integrative; the inapplicability of the powerful methods of areas of specialization to integrative study; the fear of failure; the identification of integrative biology with the study of function; the disregard of hierarchy; the undervaluation of the abstract; and the loss of a sense of mystery. These obstacles, though insidious, pervasive, and powerful, can be surmounted.     

AGNOSTIC MEDITATIONS ON BUDDHIST MEDITATION

I first attempt a taxonomy of meditation in traditional Indian Buddhism. Based on the main psychological or somatic function at which the meditative effort is directed, the following classes can be distinguished: (1) emotion‐centered meditation (coinciding with the traditional samatha approach); (2) consciousness‐centered meditation (with two subclasses: consciousness reduction/elimination and ideation obliteration); (3) reflection‐centered meditation (with two subtypes: morality‐directed reflection and reality‐directed observation, the latter corresponding to the vipassanā method); (4) visualization‐centered meditation; and (5) physiology‐centered meditation. In the second part of the essay I tackle the problem of the epistemic validity and happiness‐engendering value of Buddhist meditation. In my highly conjectural view, the claim that meditation represents an infallible tool for realizing the (Supreme) Truth as well as a universally valid method for attaining the highest forms of happiness is largely based on the crēdō effect, that is, a placebolike process. I do not deny that meditation may have some positive effects on mental and physical health or that its practice may bring changes to the mind. Meditation may be a valuable alternative approach in life and clinical treatment, but it is far from being a must or a panacea.