Pulsed electrodeposition of soft magnetic CoNiFe films under centrifugal forces

A new technique, pulsed electrodeposition under a centrifugal force, is introduced for the preparation of soft magnetic CoNiFe films. The films have enhanced properties such as a high B _s (magnetic saturation) and a low H _c (coercivity), which are desirable for soft magnetic materials. They are also smoother than films deposited under non-pulsed conditions. It is suggested that the technique could be used to prepare various other materials with desirable properties.     

Neuroprotective Effects of Testosterone on Regenerating Spinal Cord Motoneurons in Rats

Degeneration in the CNS and peripheral nervous system consists of degradation and phagocytosis of axons and their myelin sheath distal to the site of injury. Testosterone is a gonadal sex steroid hormone that plays an important role in CNS development. One of the lesser-known testosterone actions is neuroprotection. In the present study, the authors investigated the neuroprotectective effect of intracerebral ventricular injection of testosterone on the number of spinal motoneurons after sciatic nerve crush. In all, 32 male Wistar rats were divided to 4 groups (control, compression, compression + castration, compression + testosterone injections; n = 8). Four weeks after compression the lumber segments of spinal cord were sampled, processed, sectioned serially, and stained with toluidine blue (pH = 4.65) by using steriological quantitative technique (physical dissector), the number of alpha motoneurons in the right ventral horns of spinal cord were counted and compared between groups. Statistical analyses showed that testosterone injections (1μl icv, 4 times, 1 week interval between injections) significantly (p < .05) reduced neuronal damage. These results indicated that testosterone has an obvious neuroprotective effect on lumbar spinal motoneurons.     

Learning to cooperate without awareness in multiplayer minimal social situations

Experimental and Monte Carlo methods were used to test theoretical predictions about adaptive learning of cooperative responses without awareness in minimal social situations—games in which the payoffs to players depend not on their own actions but exclusively on the actions of other group members. In Experiment 1, learning occurred slowly over 200 rounds in a dyadic minimal social situation but not in multiplayer groups. In Experiments 2–4, learning occurred rarely in multiplayer groups, even when players were informed that they were interacting strategically and were allowed to communicate with one another but were not aware of the game’s payoff structure. Monte Carlo simulation suggested that players approach minimal social situations using a noisy version of the win–stay, lose–shift decision rule, deviating from the deterministic rule less frequently after rewarding than unrewarding rounds.     

Exercise interventions and their effects on physical self-perceptions of male university students

The purpose of the present study was to examine the effects of 12-week exercise interventions on physical self-perceptions of male university students. The study also aimed to investigate the relationships between the changes in physical self-perceptions and the changes in some physiological measures after 12-week exercise programs. Forty-eight male university students aged from 19 to 25 years were enrolled in this study. Participants were randomly and equally assigned to swimming, running, cycling and control conditions. The Physical Self-Perception Profile was administered to all participants before and after 12-week exercise programs. Additionally, strength, maximal oxygen uptake (VO(2max)) and body compositions were assessed before and after interventions. Participants in the exercise groups attended swimming, running or cycling sessions for 40 min per day, 3 days per week with 60-70% of their heart rate reserves, while those in the control group did not attend any regular physical activity. The results of 4 × 2 × 5 MANOVA with the dimensions of physical self-perceptions as within-subject factor revealed that all groups including the control group revealed better physical-self-perceptions from pre- to post-test. Results of 4 × 2 × 3 MANOVA with physiological measures as within-subject factor revealed that VO(2max) values of participants in the swimming group improved more than the other groups. On the other hand, no significant differences were observed in strength scores and body fat levels among groups. Furthermore, no significant associations were obtained between the changes in physical self-perception dimensions and the physiological measures.     

Religious identity consolidation and mobilization among Turkish Dutch Muslims

This paper investigates religious identity consolidation in terms of the endorsement of the rights of Dutch Muslims to publicly express their identity, and identity mobilization in terms of the attitude towards normative forms of political organization. Identity consolidation and mobilization were examined as a function of the content of Muslim identity. A distinction was made between an individualized and a communal interpretation of what it means to be a Muslim, in addition to orthodox belief. Personal meaning and personal certainty as two aspects of an individualized interpretation were found to be positively associated to the endorsement of Muslim expressive rights, but not to the attitude towards political organization. Behavioural involvement and Muslim group interdependence were positively associated with identity organization. Orthodoxy was related to both identity consolidation and mobilization. Theoretical implications of these results are discussed. Copyright © 2009 John Wiley & Sons, Ltd.     

A Critical Assessment of the Programmes of Producing ‘Islamic Science’ and ‘Islamisation of Science/Knowledge’

In the present article, working from within the framework of critical rationalism and focusing mostly on the views developed by some Iranian writers, I argue that the programmes of producing ‘Islamic Science’ (cIS) and ‘Islamisation of Science/Knowledge’ (IoK) are doomed to failure. I develop my arguments in three parts. I start by explaining that the advocates of the programmes of producing cIS or IoK subscribe to mistaken images of science that are shaped by either a positivist or outmoded culturalist/interpretivist theories of science. I shall then focus on the similarities and differences of ‘science’ and ‘technology’, arguing that despite close interconnection between the two it is of utmost importance, for analytical purposes, to keep these two socially constructed entities apart. Drawing on the above distinction, I argue that while creating ‘Islamic’ or ‘indigenous’ sciences is impossible, constructing ‘Islamic’ or ‘indigenous’ technologies is, in principle, feasible. Lastly, I turn to some of the more recent works on creating/constructing cIS and/or IoK. I shall try to show that none of the arguments introduced by the advocates of the projects of cIS/IoK is tenable.