Inhibiting doping in sports: deterrence is necessary,but not sufficient

The use of performance-enhancing drugs is a significant problem in sport. It cheats clean athletes of their hard-earned rewards from perfecting their skills though dedication and hard work. It defrauds fans by substituting a distorted playing field for a true competition. Anti-doping agencies have been charged with enforcing drug policies, primarily through the use of drug testing programs. We propose that drug testing, while important, is not sufficient to achieve deterrence. Engaging the principles of perceptual deterrence and development of a moral community of athletes can greatly enhance compliance with rules.     

Exploring Correlates and Predictors of Stress in Parents of Children Who are Deaf: Implications of Perceived Social Support and Mode of Communication

Parenting stress has been linked to negative outcomes for both parents and children, including poor attachment, behavior problems, less positive parent–child interactions, and marital dissatisfaction. Given that parents of special needs children often experience excess stress, they may be susceptible to negative outcomes, thus investigations of protective factors are needed. We explored relationships among parenting stress, social support, mode of communication, and child cochlear implant status in parents rearing a deaf child or child with hearing loss. Findings of our exploratory study indicated that parents of children who use sign language only reported more support, while parents of children who use total communication exhibited less self-reported stress. Also, parents with children who use implants did not differ on any of the measures compared to parents of children without implants. Additional findings suggested that higher levels of perceived social support corresponded with lower stress among parents, however, receipt of supportive behaviors did not correlate significantly with parenting stress. In an overall model, perceived social support and mode of communication were significant predictors of parenting stress. Finally, enacted support predicted significantly life satisfaction in parents. Implications and limitations, as well as suggestions for future research, will also be offered.     

Effects of cocaine on simple reaction times and sensory thresholds in baboons.

The effects of chronic, daily administration of cocaine on auditory and visual reaction times and thresholds were studied in baboons. Single intramuscular injections of cocaine hydrochloride (0.1 to 5.6 mg/kg) were given once daily for periods of 10 to 25 days, and were followed immediately by psychophysical tests designed to assess cocaine's effects on simple reaction times as on auditory and visual threshold functions. Consistent reductions in reaction times were frequently observed over the cocaine dose range of 0.32 to 1.0 mg/kg; at higher doses, either decreases or increases in reaction times were observed, depending upon the animal. Lowered reaction times generally occurred immediately following the 1st day's cocaine injection, and continued through all subsequent days during the dose administration period, suggesting little development of tolerance or sensitivity to these reaction-time effects. Reaction-time decreases showed a U-shaped dose-effect function. The greatest decreases in reaction times occurred from 0.32 to 1.0 mg/kg, and produced an average reaction-time decrease of 10 to 12%. Concurrently measured auditory and visual thresholds showed no systematic changes as a function of cocaine dose. Pausing was observed during performance of the psychophysical tasks, with the length of total session pause times being directly related to cocaine dose.     

Racial Self-Identification: The Effects of Social History and Gender1

Dark and Clark's pioneering study in 1947 demonstrated that Black children were ambivalent about racial self-identification. Subsequent research indicates that during the 1950s, 1960s and 1970s, Black children were increasingly likely to demonstrate a commitment to identifying with a Black stimulus. The present study investigates the extent to which this trend persists in the 1980s and how gender of the child affects her/his racial identification. The results indicate that the 1980s may be a time in history when Black children are growing more ambivalent about racial self-identification, and that Black boys are significantly more likely than Black girls to identify with the white doll. The findings suggest that the current political climate which places Blacks at a significant social and economic disadvantage may reduce children's willingness to identify with a Black stimulus. The gender differences are explored in terms of Black boys' greater likelihood psychologically to try to identify away from Blackness.     

A comparison of clinical features in trichotillomania and obsessive-compulsive disorder.

Trichotillomania (TM) recently has been conceptualized as a variant of obsessive-compulsive disorder (OCD). However, no systematic data have compared the clinical features of these two disorders. Here we report data from 8 TM and 13 OCD patients which suggest important clinical differences between groups. First, TM patients reported a significantly greater degree of pleasure during hair-pulling than OCD patients reported during performance of ritualistic behaviors. Second, TM was accompanied by significantly fewer associated obsessive-compulsive symptoms. Third, the groups differed with regard to other clinical features including anxiety, depression, and personality characteristics. We conclude that TM is not conceptualized best as a variant of OCD.     

Impaired acquisition of temporal information in retrosplenial amnesia

In this paper we describe the performance of an amnesic with a left retrosplenial lesion on three memory tasks assessing his ability to judge when a previously learned event had occurred. This patient was dramatically impaired in acquiring temporal information about new stimuli, and this defect could not be attributed to recognition failures or to frontal lobe dysfunction. In contrast to his impaired acquisition of temporal information, he had no difficulty judging the temporal order of remote historical events. The pattern of performance displayed by this patient suggests a specific defect in "time-tagging" of new incoming information.