Sensory information affords exploration of posture in newly walking infants and toddlers

The development of posture and locomotion provides a valuable window for understanding the ontogeny of perception-action relations. In this study, 13 infants were examined cross-sectionally while standing quietly either hands-free or while lightly touching a contact surface. Mean sway amplitude results indicate that infants use light touch for sway attenuation (≈28–40%) as has been seen previously with adults (Jeka & Lackner, 1994). Additionally, while using the contact surface, movement patterns of the head and trunk show reduced temporal coordination (≈25–40%), as well as increased temporal variability, as compared to no touch conditions. These findings are discussed with regard to the ontogeny of perception-action relations, with the overall conclusion that infants use somatosensory information in an exploratory manner to aid in the development of an accurate internal model of upright postural control.     

Orisha Worship Communities: A Reconsideration of Organisational Structure

It is commonly understood by both scholars and practitioners of Yoruba religion in the Americas that initiates in Africa worship only one or two Orisha, whereas in the New World each individual worships multiple Orisha. However, an analysis of both textual and visual sources points to a more complex religious environment among the Yoruba in their homeland. It is suggested that the innovations found in the New World were less radical than received wisdom indicates. In addition, such research challenges the assumption that the form of New World Orisha worship is a consequence of colonial oppression and suggests instead that it is based on existing African antecedents.     

Brief Report: The Sexual Harassment of Faculty Members by Students

We investigated sexual harassment by college students toward faculty members using modified versions of the Sexual Experiences Questionnaire (SEQ) developed by Fitzgerald and colleagues. The SEQ measures three major constructs of sexual harassment: gender harassment, sexual coercion (bribery), and unwanted sexual attention. The student version of the SEQ was completed by 359 college students (85% White); 102 faculty members (92% White) completed the faculty version. Although we did not ask about their social class, they are typically middle class. Female faculty reported experiencing significantly more unwanted sexual attention from students and were more bothered by it than male faculty. While the frequency of gender harassment did not differ significantly between male and female faculty, the latter were significantly more bothered by it than the former. Concerning students' responses to the SEQ, there were no significant gender differences. Sexual harassment as both a tool and a result of male dominance in society is discussed.     

Effects of some physiological and pharmacological manipulations on shock- facilitated mouse killing by onychomys leucogaster (Northern grasshopper mouse)

Onychomys leucogaster (northern grasshopper mice) were induced to kill mice with response-contingent shock, and the effects of several physiological, pharmacological, and endocrinological variables were assessed. Lesions of the septum facilitated mouse killing, while lesions of the amygdala abolished spontaneous mouse killing and delayed shock-facilitated killing. Chlorpromazine (2.5–5 mg/kg) and chlordiazepoxide (5–10 mg/kg) facilitated mouse killing on postdrug trials but did not affect killing when the animals were drugged. Adrenalectomy, castration, and castration adrenalectomy did not alter the frequency of kill nor were sex-related differences in killing noted. These results were compared to those found by others studying the effects of lesions and drugs on mouse killing by rats.     

Work–Home Interaction and Psychological Strain: The Moderating Role of Sleep Quality

Sleep has been considered crucial for recovery, but little is known about the specific associations between the work–family interface and sleep quality. Based on COR theory, the goal of this study is to examine the moderating role of sleep quality on the relationship between work–home interaction (i.e. negative work–home interaction, negative home–work interaction, positive work–home interaction, and positive home–work interaction) and psychological strain. A total of 273 ambulance workers from Spain participated in the study. Multiple regression analyses revealed that sleep quality moderated the relationship between negative and positive home–work interaction and psychological strain. Findings are discussed in terms of their theoretical and practical implications.