Ratings of perceived exertion throughout an ultramarathon during carbohydrate ingestion

Ratings of perceived exertion (RPE) and their relation to selected physiological mediators during endurance exercise have been limited to laboratory settings. The present study characterized the pattern of change in perceptual responses and examined the relation between RPE and selected physiological variables during a long competitive sporting event, i.e., an ultramarathon race (68 km). A single-group design was employed in which all of the 28 subjects provided their perceptual ratings 11.9 +/- 0.2) and heart rate (HR) (138 +/- 3) periodically (every 5 km) throughout the ultramarathon, and selected physiological responses were measured before, once during (32 km), and immediately after the race. Runners drank approximately 1,000 ml of carbohydrate beverage each hour (60 gm carbohydrate hr.(-1)) and ate 2 or 3 carbohydrate gel packs per hour (25 gm each(-1)). RPE increased significantly throughout the course of the ultramarathon. No significant correlations were found between RPE and HR at any time throughout the ultramarathon. RPE averaged 10.4 +/- 0.4 at the beginning of the race (6.4 km) and 15.4 +/- 0.4 at the conclusion of the race. Subjects maintained 76.9 +/- 1.1% of maximal heart rate; however, there was a tendency for heart rate to drop significantly after 32 km. Significant time main effects were found for serum glucose, insulin, and cortisol throughout the race. However, no significant correlations were found between RPE and any of these physiological mediators. These data indicate that during an ultramarathon race there is a progressive increase in RPE without an accompanying increase in HR or decrease in blood glucose. Therefore, during competitive self-paced exercise the perceptual responses may be mediated through other neurological and physiological mechanisms.     

Changes in cognitive performance during a 216 kilometer, extreme endurance footrace: a descriptive and prospective study

Two subjects participated in a 216 km ultramarathon with outside temperatures above 50 degrees C while several physiological and psychological parameters (cognitive performance assessed by a mental calculation task and an attentional task, subjective bodily experience, and lactate level) were evaluated throughout the race. Severe stress from dehydration, sleep deprivation, and total physical exhaustion are combined in a unique manner, allowing evaluation of their effects in a range far outside that obtainable in a laboratory setting. During the race the subjects answered a questionnaire about their actual bodily experiences, underwent 8 medical examinations, and performed two cognitive tests approximately every 35 kilometers. Analysis showed cognitive performance did not decrease steadily in a simple and gradual way but reached a peak in the morning of Day 2 after a short sleeping period and then decreased. In the early morning of Day 3, in general cognitive performance exhibited the worst results but increased differentially between the subjects again in the last test 1 km before the finish line.     

Gender, grade, and relationship differences in emotional closeness within adolescent friendships

Previous research has examined gender and grade differences in the emotional closeness of adolescents' same- and cross-sex friendships. However, findings from these studies have been inconsistent because they have failed to (1) differentiate between cross-sex friendships and romantic relationships and (2) compare same- and cross-sex friendships. In an attempt to clarify previous findings, gender and grade differences in adolescent reports of emotional closeness within same- and cross-sex friendships were examined in the current study. Responses from two hundred seventy adolescents indicated gender differences in reports of time spent with their friends daily and levels of relationship closeness, cohesion, and commitment. Further, grade moderated relationship differences in reports of relationship cohesion and closeness. Differences in predictors of intimacy support previous studies that have found grade and gender differences in levels of intimacy in adolescents' same- and cross-sex friendships. Results also elaborate on previous research by indicating grade differences in adolescents' perceptions of cohesion and closeness in their same- and cross-sex friendships. Findings are discussed in terms of understanding differences in adolescent reports of intimacy within same- and cross-sex friendships.     

Interaction of irrational beliefs with goal pursuit

152 subjects reported affective and cognitive reactions at several stages of pursuing a hypothetical goal related to the taking of a classroom test, then gave Anxious Overconcern and High Self-expectations ratings from Jones' Irrational Belief Test. Subject groups differed in kinds of goals set; e.g., easy vs. difficult. Affective and attributional correlates of the irrational beliefs appeared maladaptive, but differed as a function of difficulty and phase of pursuit of the hypothetical goal. These results supported a contextual model in which irrational beliefs are general cognitive structures which interact with other internal and/or external factors to influence reactions in particular situations. Motivational variables-such as type of goal pursued and number of steps taken in pursuit of it-appear to be important among such factors. The study thus points to growing complexity in our knowledge of how B functions in the ABC paradigm.Frank W. Wicker is Professor of Educational Psychology in the Department of Educational Psychology, The University of Texas at Austin. His research interests are focused on the cognitive bases of motivation and emotion.Gail Brown is a graduate student in the program in Cognition, Learning, and Instruction in the Department of Educational Psychology, University of Texas at Austin. Her primary research interests relate to theoretical explorations of motivation and emotion.Anastasia S. Hagen is a graduate student in the program in Cognition, Learning, and Instruction. She is especially interested in motivation as it pertains to learning and instruction.Wayne Boring is a graduate student in the program in Cognition, Learning, and Instruction. He is interested in cognitive approaches to the understanding of animal behaviors.James A. Wiehe is also a graduate student in the program in Cognition, Learning, and Instruction. He combines interests in cognitive, motivation, and the psychology of music.     

1996-2004年中国大陆儒学研究的新进展

1996-2004年,中国大陆的孔子、儒学研究持续繁荣发展,在以下八个方面上,取得了新的进展: (1)儒学与世界和平; ( 2 )儒家人文精神; ( 3 )简帛儒家文献; ( 4 )儒学宗教性问题; (5)儒学与生态伦理; (6)儒学与普世伦理; (7)儒学与文化保守主义; (8)儒学与自由主义; (9)儒学与民主、人权; (10)儒学与全球化。     

Divided attention, aging, and priming in exemplar generation and category verification

Transfer-appropriate processing theories differentiate between conceptual- and perceptual-priming tasks. The former are said to be influenced by the nature of processing engaged in at study, but not by changes in modality between study and test; the latter are sensitive to changes in format between study and test, but not to variations in the extent of semantic processing at study. In the present experiments, we examined the effects of divided attention and aging on priming in exemplar generation and category verification, two tasks that require access to semantic information at test. Manipulations of attention during encoding affected the extent of priming in exemplar generation, but not in category verification. Priming effects were similar in young and older adults in exemplar generation following study in both full and divided attention. Although older adults did not demonstrate priming in category verification in one experiment, no effects of age or divided attention were observed in a second experiment. In addition, priming in category verification was unaffected by varying the level of processing at encoding. However, the absence of levels-of-processing and attention effects in category verification does not signal that priming in this task has a perceptual basis; priming in category verification was insensitive to modality shifts between study and test. The implications of these findings for theories of priming and cognitive aging are considered.     

《易》象与《诗》象:论《周易》的类艺术表现方式

文章从符号学角度,通过《诗》《易》比较,论述了《周易》的类艺术特征。在构成符号的综合性上,在篇章的结构、句式词语的使用上,在物象选择与深层意蕴上,《易》和《诗》具有异质同构的关系。后世艺术作品中出现的同类意象,其原型可溯到《诗》,更可求诸《易》。     

Achievement in mathematics in grades 9 and 11 in Limpopo Province of South Africa: introduction of a problem-based approach

800 students in Grades 9 and 11 of schools in the Central Region of the Limpopo Province of South Africa completed the Study Orientation Questionnaire in Mathematics. Mean age in Grade 11 was 17.5 yr. (SD = 1.4) and in Grade 9 15.1 yr. (SD = 1.2). Intervention was aimed at teachers and students in this group. Teachers in the trained group received training in a problem-based approach to teaching and learning in mathematics and introduced these principles into their classes. Analysis of variance on the differences between post- and pretest scores of the six subscales and the marks in mathematics and English yielded no effects for grade, sex, or grade after 6 mo. Pearson correlations for students in Grade 11 were positive between study orientation and achievement in mathematics. Improving teachers' training and expertise, transforming disadvantaged learning environments, and developing necessary formal and informal mathematical knowledge seem both essential and difficult.     

Treating survivors of war trauma and torture.

Psychologists are in a unique position to assist individuals and groups in the world who have survived torture and war trauma. Symptoms of posttraumatic stress disorder and other psychological diagnoses can be treated effectively by mental health professionals and trained lay counselors in the smallest of communities in the world. This article proposes a model for the treatment of survivors of torture and war trauma. This model has been designed to be useful to mental health professionals and to lay individuals in communities who constitute the front line in treatment: health providers, midwives, ministers, and teachers. The model is presented through examples of its use in the training of mental health counselors in the United States and in the training of promotores (health promoters) and comodrones (midwives) in Guatemala.     

Relation of career adaptability to meaning in life and connectedness among adolescents in Hong Kong

This study examined relationships among career adaptability, meaning in life, and connectedness in Hong Kong with Chinese male and female Grade 9 students (n = 543). The results indicated that presence of meaning in life positively predicted connectedness; and in the males career concern was predicted by presence of meaning in life. Also in males, career control was predicted both by presence and search for meaning in life, while career curiosity was predicted by connectedness to school, and by presence and search for meaning in life. Career confidence was predicted by connectedness to school, and presence and search of meaning in life. In the females, career concern was predicted by presence of meaning in life and connectedness to school, but negatively by connectedness to peers. Career control and career curiosity were predicted by presence and search for meaning in life. Career confidence was predicted by presence of meaning in life. Limitations of the study are identified; and implications for future research and guidance with Chinese adolescents in schools are discussed.     

Sexual self-disclosure in Cyberspace among Taiwanese adolescents: gender differences and the interplay of Cyberspace and real life.

This study explored adolescents' sexual self-disclosure in real life and cyberspace, as well as gender differences of sexual self-disclosure in cyberspace. There were 115 male and 92 female adolescents who participated in this pretest and posttest survey. In general, the depth of sexual self-disclosure in real life was greater than in cyberspace, but the breadth of sexual selfdisclosure in both real life and cyberspace was equivalent. The cross-lagged panel analysis indicated that adolescents who were willing to self-disclose sexual topics in real life also selfdisclosed them more in cyberspace, and vice versa. Furthermore, sexual self-disclosure in both disclosing environments was mutually predicted by each other. The findings also indicated that cyberspace might not be a substitute channel of compensatory gratification for sexual self-disclosure in real life. As for gender differences, the breadth and depth of sexual self-disclosure in male adolescents were greater than in female adolescents, in both real life and cyberspace. Male adolescents tend to be more active in Internet sexuality than females. However, female adolescents' sexual emancipation in cyberspace is not evident in Taiwan. Possible reasons, implications, and limitations of the findings are discussed.     

GENDER BIASES IN TEXTBOOKS FOR INTRODUCTORY PSYCHOLOGY AND HUMAN DEVELOPMENT

Because of spreading concerns about gender stereotypes in textbooks, in 1975 an American Psychological Association Task Force recommended changes in the type of language that should be used to report research findings and in the type of information that should be included in reports of psychological research. These recommendations also applied to the presentation of psychological information in textbooks. Studies in the subsequent 7 years indicated some decrease in the use of sex-stereotyped language and some decrease in gender-biased content. Researchers typically concluded, however, that although some improvements had occurred, gender biases and stereotypes still occurred in texts. The present study reports an extensive content analysis of current textbooks for introductory psychology and human development courses. Representation of the work, theory, and behavior of males continues to significantly exceed the representation of the work, theory, and behavior of females, and females continue to be portrayed in negative and gender-biased ways.     

Leadership experiences of bicultural business leaders: An interpretative phenomenological analysis

Using the lens of interpretative phenomenological analysis, this study explored the leadership experiences of bicultural business leaders in the Philippines. Semistructured interviews were conducted among 16 leaders in family-owned, small and medium-sized enterprises in the Philippines who are ethnically Chinese and have Filipino nationality. Findings focused on salient expressions of biculturalism in leadership, bicultural leadership challenges, and advantages. Most of the participants experienced fluidity in their expressions of Filipino and Chinese identities and how these manifest in the workplace. Challenges shared pertain to generational factors as participants assumed leadership roles through kinship, as well as relational challenges reflective of cultural nuances. The leaders view their being bicultural as having the “best of both worlds” as they have greater access to cultural information and a more holistic view of which values and norms to use in their leadership roles and in various social interactions. Fluency in communicating in Chinese and Filipino was perceived to enable effective interactions and facilitate trust building with their customers, employees, and suppliers. Implications focused on the need to consider biculturalism in leadership development programmes in educational institutions and organizations, especially with increasing bi/multiculturalism in workplaces.     

Différence dans la qualité de logement: Immigrants et non-immigrants à Montréal Toronto et Vancouver

The immigrant population in Canada has risen substantially during the last decades. This increase has produced some tension and raised questions about the institutional arrangements of the host society. In response to these tensions and questions, the government of Canada adopted a policy of multiculturalism in 1971 and promoted the constitutionalization of human rights through the Canadian Charter of Rights and Freedoms. This response was successful in terms of the evolution of the liberal democracy in Canada, the management of diversity and the building of an inclusive identity. However, it remains to be evaluated in relation to the struggle against discrimination and inequalities. While the reponse has already been evaluated in regard to employment, no evaluation has been undertaken regarding housing. This article tackles this issue through the decomposition of differences in the quality of housing for immigrants and non-immigrants in three metropolitan areas. The quality of housing is measured by the number of rooms per capita and is studied in relation to several variables to estimate the difference between populations. The results show a convergence in the situation in the three metropolitan areas and clearly reveal a difference in the quality of housing for immigrants and non-immigrants.     

Strategies for visual word recognition and orthographical depth: a multilingual comparison

We investigated the psychological reality of the concept of orthographical depth and its influence on visual word recognition by examining naming performance in Hebrew, English, and Serbo-Croatian. We ran three sets of experiments in which we used native speakers and identical experimental methods in each language. Experiment 1 revealed that the lexical status of the stimulus (high-frequency words, low-frequency words, and nonwords) significantly affected naming in Hebrew (the deepest of the three orthographies). This effect was only moderate in English and nonsignificant in Serbo-Croatian (the shallowest of the three orthographies). Moreover, only in Hebrew did lexical status have similar effects on naming and lexical decision performance. Experiment 2 revealed that semantic priming effects in naming were larger in Hebrew than in English and completely absent in Serbo-Croatian. Experiment 3 revealed that a large proportion of nonlexical tokens (nonwords) in the stimulus list affects naming words in Hebrew and in English, but not in Serbo-Croatian. These results were interpreted as strong support for the orthographical depth hypothesis and suggest, in general, that in shallow orthographies phonology is generated directly from print, whereas in deep orthographies phonology is derived from the internal lexicon.     

Pavlov in Spain

Reflexology has been present throughout Spanish science since the last third of the nineteenth century and its importance can be seen in the works of authors such as Martín Salazar, Ramón y Cajal, Gómez Oca?a, Simarro and Turró. The most important research in Reflexology in Spain takes place a) at the Schools of Neurophysiology and Psychology in Barcelona and Madrid, b) with a group of authors specializing in pathological medicine and c) in the Military's Health Department, Pavlov's work was received in Spain with special interest. Fernández-Espa?a, who could be considered the "first Spanish Pavlovian," emphasized Pavlov's work in a series dedicated to the study of objective psychology which was published between 1914 and 1924. Planelles was the first investigator to develop a program in pavlovian experimentation, presenting his results in 1935. The Civil War (1936-1939) ended these and many other Spanish projects in psychology. After the war, interest in Reflexology and Pavlov's theories slowly rose again, first through psychosomatic medicine and then in the 60's because of the works of such authors as Monserrat-Esteve, Rof Carballo and Colodrón. The progressive inclusion of psychology in the Schools of Philosophy and Arts after 1968 marked the beginning of a new era.     

Rapid forgetting of social transmission of food preferences in aged rats: relationship to hippocampal CREB activation

A major characteristic of age-related changes in memory in rodents is an increase in the rate of forgetting of new information, even when tests given soon after training reveal intact memory. Interference with CREB functions similarly results in rapid decay of memory. Using quantitative immunocytochemistry, the present experiment examined the number of CREB- and pCREB-immunoreactive neurons in three regions of the dorsal and ventral hippocampus (dentate gyrus, CA3, and CA1) as a function of age and training. Rats were trained in a social transmission of food preference task. Using different food pairings, memory was tested in each rat immediately and 1, 2, 3, and 7 d later. Both young and old rats had intact and comparable memory scores at the immediate and 24-h tests, but old rats exhibited more rapid forgetting thereafter relative to that of young rats. The main findings were that training resulted in large increases in the number of pCREB-immunoreactive cells throughout the hippocampus in both young and aged rats. However, particularly in the ventral hippocampus, the training-elicited increase in pCREB-positive neurons was significantly lower in old than in young rats. Based on Western blot analyses in a separate set of rats, CREB levels were not responsive to training but were lower in the ventral hippocampus of old rats than of young rats. The present findings suggest that lower activation of CREB after training may contribute to the rapid forgetting seen in aged rats.     

人际交往能力与生命意义的关系:孤独感和年级的作用

基于存在主义心理学理论,本研究采用人际交往能力问卷、孤独感量表和生命意义量表对福建省三所大学的1476名大一和大二学生进行调查,考察人际交往能力与生命意义的关系,以及孤独感的中介作用和年级的调节作用。结果表明：（1）交往能力和孤独感存在显著的性别差异。男生的交往能力显著高于女生,孤独感显著低于女生;（2）交往能力与孤独感呈显著负相关,与拥有意义和追寻意义均呈显著正相关,而孤独感与它们均呈显著负相关;（3）孤独感在交往能力与拥有生命意义之间的中介作用受到年级的调节。与大二学生相比,大一新生孤独感的中介效应更大。研究结果在一定程度上揭示了交往能力对生命意义的作用过程,为针对性提升大学新生生命意义提供方向指导和实证依据。