Memantine facilitates memory consolidation and reconsolidation in the day-old chick

Memantine is a non-competitive N-methyl-d-aspartate (NMDA) receptor antagonist that has been approved for the treatment of the cognitive deficits noted in Alzheimer's disease. While there is a body of research that supports memantine's facilitative action upon memory compromise, this series of studies aimed to investigate the effects of this drug in healthy animals with intact memory functioning. A 0.1 mM dose of memantine injected immediately after a weakly aversive training event (i.e. 20% v/v methyl anthranilate) was found to enhance passive avoidance learning for this event in day-old chicks up to 24 h following training. The same dose of memantine was also observed to enhance memory for the training event when it was administered in conjunction with a reminder trial. These results suggest that memantine is capable of facilitating both memory consolidation as well as memory reconsolidation. It was concluded that memantine's mechanism may involve the short-term or intermediate memory phases of the Gibbs and Ng model of memory, and that the current findings represent enhancement of intact memory, rather than amelioration of memory compromise.     

My Child Is Better Than Average: The Extension and Restriction of Unrealistic Optimism1

The purpose of the current study was to determine whether parents make unrealistic evaluations of children and what factors predict these evaluations. Parents of 5‐ and 6‐year‐olds rated their child's risk for various positive and negative outcomes, temperament, and health and behavior problems. Parents also completed an adult attachment measure. Parents appeared to give relatively little consideration to realistic constraints when predicting their child's future. Parents scoring higher on attachment avoidance were less optimistic that their child would attain positive outcomes and avoid negative outcomes, consistent with the view that optimism is a motivated phenomenon. Greater child internalizing behaviors also were associated with less parental optimism for positive outcomes. Findings have implications for the delivery of health messages to parents.     

MOMENTUM AND EXTINCTION EFFECTS ON SELF-INJURIOUS ESCAPE BEHAVIOR AND NONCOMPLIANCE

Previous research on applications of behavioral momentum has indicated that a high-probability (high-p) instructional sequence, in which a series of instructions for which there is a high probability of compliance is presented immediately before an instruction for which there is a low probability of compliance, is an effective method for increasing compliance. It is not dear, however, whether the procedure is effective when individuals actively attempt to escape from the instructional situation. In this study, we examined the effects of the high-p sequence, when implemented first alone and then later with an extinction component, as treatment for the self-injurious escape behavior of 2 individuals. Results showed that when the instructional sequence was implemented without extinction, rates of self-injury increased and percentage of compliance decreased. In addition, the percentage of trials occasioning escape behavior increased for both high- and low-probability instructions. When an extinction component was added to the high-p sequence, rates of self-injury and the percentage of trials containing self-injury decreased, and compliance increased. These findings suggest that extinction may be an important component of treatment when escape behavior such as self-injury accompanies noncompliance in instructional contexts and competes with compliant behavior.     

Bullying behaviors in female and male adolescent offenders: prevalence,types, and association with psychosocial adjustment

Despite the surge of research on bullying, few studies have examined bullying in young offenders, particularly female young offenders. This study investigated the prevalence, types, and correlates of bullying behaviors in 193 male and 50 female incarcerated adolescents from nine young offender facilities. Overall, 37% of participants identified themselves as bully‐victims, 32% as pure bullies, 23% as not involved, and 8% as pure victims. In comparison to males, females were more likely to report being involved with bullying in some capacity, particularly as pure victims, and being bullied by sexual touching and comments. Pure victims reported higher rates of psychological distress and suicidal behaviors than those youth not involved in bullying, and pure bullies were more likely to have been previously incarcerated and affiliated with a gang. Bully‐victims reported the highest rates of previous abuse, peer victimization in the community, drug use, and suicide attempts while in custody. All groups, including pure victims, reported high rates of bullying others in the community. Treatment providers should recognize that offenders who are victims are often bullies as well, and be alert to broad mental health needs among victims and bully‐victims. Given the prevalence and potential serious consequences of bullying, the development of anti‐bullying policies appears to be an important step in recognizing and reducing bullying. Aggr. Behav. 00:1–16, 2005. © 2005 Wiley‐Liss, Inc.     

The Quick Discrimination Index: Normative Data and User Guidelines for Counseling Researchers

This article summarizes normative data and psychometric evidence for scores on the Quick Discrimination Index (J. G. Ponterotto et al., 1995; S. O. Utsey & J. G. Ponterotto, 1999). Specific guidelines for counseling researchers and practitioners are provided. Este artículo resume los datos normativos y evidencia psicométrica para resultados del Indice Rapido de la Discriminación (J. G. Ponterotto et al., 1995; S. O. Utsey & J. G. Ponterotto, 1999). Las normas específicas para investigadores y profesionales practicantes de la consejería son proporcionadas.     

Learning More About Those Who Play in Session: The National Play Therapy in Counseling Practices Project (Phase I)

Through a joint research committee sponsored by the Association for Play Therapy (APT) and the American Counseling Association (ACA), The National Play Therapy in Counseling Practices Project conducted the first phase of investigation. Findings offered a snapshot of mental health providers of play therapy, regarding the nature of who they are and what they do. In terms of training, play modalities, theoretical orientation, and employment setting, comparisons were made based on membership of participants in ACA or APT. Further research was suggested to examine the effectiveness of play therapy with specific therapeutic issues.     

Morningness/eveningness, morning-to-afternoon cortisol ratio, and antisocial behavior problems during puberty

The relationship between morningness/eveningness (M/E) and morning-to-afternoon cortisol ratio, pubertal timing, and antisocial behavior was examined in 111 girls and boys ages 8 to 13 years. Cortisol levels showed a significant increase after awakening and declined thereafter (p<.05). Eveningness was related to a composite measure of antisocial behavior and rule-breaking and attention behavior problems and conduct disorder (CD) symptoms in boys and relational aggression in girls. In boys only, lower a.m. to p.m. cortisol ratio, indicating less circadian decrease in cortisol, was related to attention problems. Early pubertal timing was associated with boys' rule-breaking and attention behavior problems and CD symptoms and girls' relational aggression. The findings indicate that evening activity preference; extreme a.m. to p.m. cortisol ratios, in one case; and early pubertal timing were associated with antisocial behavior even in young adolescents, but the findings were stronger for boys than for girls.     

Rational Suicide: An Empirical Investigation of Counselor Attitudes

This study investigated attitudes of mental health counselors toward rational suicide. Over 80% of respondents were moderately supportive of the idea that people can make well‐reasoned decisions that death is their best option, and further, they identified a consistent set of criteria to evaluate such decisions. Additionally, analyses revealed that as the scenario moved from client, to friend, to self, rational suicide seemed to gain in acceptability for these professionals. Implications for training and practice in light of the apparent responsibilities with suicidal clients defined in the 1995 American Counseling Association's Code of Ethics and Standards of Practice are discussed.     

The effects of rational and experiential information processing of expert testimony in death penalty cases

Past research examining the effects of actuarial and clinical expert testimony on defendants' dangerousness in Texas death penalty sentencing has found that jurors are more influenced by less scientific pure clinical expert testimony and less influenced by more scientific actuarial expert testimony (Krauss & Lee, 2003; Krauss & Sales, 2001). By applying cognitive-experiential self-theory (CEST) to juror decision-making, the present study was undertaken in an attempt to offer a theoretical rationale for these findings. Based on past CEST research, 163 mock jurors were either directed into a rational mode or experiential mode of processing. Consistent with CEST and inconsistent with previous research using the same stimulus materials, results demonstrate that jurors in a rational mode of processing more heavily weighted actuarial expert testimony in their dangerousness assessments, while those jurors in the experiential condition were more influenced by clinical expert testimony. The policy implications of these findings are discussed.     

Aging: a switch from automatic to controlled processing of sounds?

In this article, the authors show that aging differentially affects peoples' ability to automatically and voluntarily process auditory information. Young, middle-aged, and older adults matched behaviorally in an auditory discrimination task showed similar patterns of neural activity indexing the voluntary and conscious detection of deviant (i.e., target) stimuli. In contrast, a negative wave indexing automatic processing (the mismatch negativity) was elicited only in young adults for near-threshold stimuli. These results indicate that aging affects the ability to automatically register small changes in a stream of homogeneous stimuli. However, this age-related decline in automatic detection of small change in the auditor environment can be compensated for by top-down controlled processes.