Aging and experience in the recognition of musical transpositions.

The authors examined the effects of age, musical experience, and characteristics of musical stimuli on a melodic short-term memory task in which participants had to recognize whether a tune was an exact transposition of another tune recently presented. Participants were musicians and nonmusicians between ages 18 and 30 or 60 and 80. In 4 experiments, the authors found that age and experience affected different aspects of the task, with experience becoming more influential when interference was provided during the task. Age and experience interacted only weakly, and neither age nor experience influenced the superiority of tonal over atonal materials. Recognition memory for the sequences did not reflect the same pattern of results as the transposition task. The implications of these results for theories of aging, experience, and music cognition are discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

A reanalysis of the Tridimensional Personality Questionnaire (TPQ) and its relation to Cloninger's Type 2 alcoholism.

The factor structure and external validity of the TPQ were examined in a sample of 303 male alcoholics in an inpatient treatment program. Confirmatory factor analyses did not support either the original tridimensional structure or the factor structures obtained in a nonclinical sample by C. R. Cloninger, T. R. Przybeck, and D. M. Svrakic (1991). An exploratory factor analysis suggested the TPQ comprises 5 factors: Subjective Distress, Detachment, Disinhibition, Relaxed Confidence, and Orderliness/Persistence. Each of the original scales was found to be multidimensional in terms of the 5 factors. The Novelty Seeking scale included most of the items of the Disinhibition factor scale, and the construct validity of both scales was supported by correlations with external measures of antisocial behavior and a measure of Cloninger's Type 2 alcoholism. Advantages of the factor scales are discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Optimum polarizations in the bistatic scattering from layeredrandom media

Investigates the polarimetric bistatic scattering characteristics of layered random media. On applying the Born approximation, the authors have calculated the bistatic Mueller matrix of a half-space random medium. The power received by a receiving antenna is the quantity chosen to optimize. The variables of the problem are the polarizations of the transmitting and receiving antennas. For the case when the polarizations of the transmitting and receiving antennas are identical, the authors have calculated the optimum polarizations and they have found that the optimum polarizations include both linear and elliptical polarizations. The conditions for maximum and minimum received power are also obtained. In the backscattering case, they have considered the situation when the transmitting and receiving antennas have independent polarizations. For a two-layer problem, they have observed the influence of the thickness of the layer in the classification of the optimum polarizations     

Low-frequency noise in hot-carrier degraded nMOSFETs

This paper discusses the low-frequency (LF) noise in submicron nMOSFETs under controlled transistor aging by hot-carrier stress. Both traditional, steady-state LF noise as well as the LF noise under periodic large-signal excitation were found to increase upon device degradation, for both hydrogen passivated and deuterium passivated Si–SiO₂ interfaces. As hot-carrier degradation is slower in deuterium-annealed MOSFETs, so is the increase of the noise in these devices. The noise-suppressing effect of periodic OFF switching is gradually lost during hot-carrier degradation, as the LF noise under periodic large-signal excitation increases more rapidly than the LF noise in steady-state.     

The addition of glucose-1-phosphate to the cytoplasmic glycoprotein phosphoglucomutase is modulated by intracellular calcium in PC12 cells and rat cortical synaptosomes

In a number of different cell types, phosphorylation of a 63-kDa protein has been shown to increase rapidly in response to stimuli that lead to an increase in intracellular calcium. Here, a stimulus-sensitive protein at this molecular weight is identified in PC12 cells and rat cortical synaptosomes as phosphoglucomutase. In addition, the added phosphate is shown to be in an oligosaccharide terminating in phosphodiester-linked glucose. In synaptosomes, incorporated radioactivity, following incubation with [14C]glucose or the [beta-35S]phosphorothioate analogue of UDP-glucose, was found to increase within 5 s of stimulation and return to baseline within 25 s. Despite the many pathways utilizing glucose, this was the only detectable protein glycosylation observed in synaptosomes. These results indicate that cytoplasmic glycosylation is reversible and rapidly regulated, and suggest that phosphoglucomutase undergoes an alteration in function and/or topography in response to increases in intracellular calcium.     

Who is overlooking whose reality? Commentary on Tabin's "Freud's shift from the seduction theory: Some overlooked reality factors".

Contends that J. K. Tabin (see record 1994-05584-001) continues the long tradition of casting aspersions on S. Ferenczi's sanity at the end of his life. She wrote that his personal problems blighted the value of his contributions. She credited Freud with the idea that the child splits the ego in response to sexual abuse. The authors question Tabin's attribution of this idea to Freud and instead argue that this was one of Ferenczi's central contributions toward the end of his life. Tabin's judgment of Ferenczi's personal problems is challenged and the Freud–Ferenczi relationship, particularly the handling of Ferenczi's final paper, is discussed. (PsycINFO Database Record (c) 2011 APA, all rights reserved)     

Rapid increase in PKA activity during long-term potentiation in the hippocampal afferent fibre system to the prefrontal cortex in vivo

The purpose of the present study was to examine whether cAMP-dependent protein kinase (PKA) was implicated in the process of long-term potentiation (LTP) in the hippocampal afferent fibre system to the prefrontal cortex in vivo. Using a biochemical approach, we measured PKA activity at different times after induction of LTP. We show that there is an NMDA receptor-dependent increase in PKA activity in the prefrontal cortex, only at five minutes after LTP induction. These data demonstrate a role of PKA in the induction and not the expression of cortical LTP and suggest that if PKA is involved in the late phase of LTP, it does not appear to be a persistent activation.     

Overview and perspectives on Japanese manufacturing strategies and production practices in machinery industry

Japan has been a world leader in manufacturing in the past several decades. Undoubtedly, this leadership will persist well into the 21st century. It is, therefore, very important to understand the status of Japan's manufacturing technologies as well as its projected manufacturing strategies for the future, especially, those technologies which would generate substantial impact on the manufacturing industries in the next five years.This paper gives an overview and perspectives on Japanese manufacturing strategies and production practices in machinery industry.     

摇篮架式单节Li+电池充电器

本文提供了一种无需电感的单节Li+电池充电器,配合廉价的线性适配器构成一完备的充电方案.