Differential effects of assisted cycling therapy on short-term and working memory of adolescents with Down syndrome

Persons with Down syndrome (DS) suffer from prefrontal cortex dysfunction and deficits in executive functions. The current study examined the effects assisted cycling therapy (ACT) on short-term (STM) and working memory (WM) in adolescents with DS. During ACT, the cadence of participants on a stationary bicycle was augmented with an electrical motor to 180% of the voluntary cadence. Participants completed eight weeks of ACT (n?=?17), eight weeks of voluntary cycling (VC) at their own preferred cadence (n?=?16), or eight weeks of no cycling (np?≥?.149) and working memory improved only in the ACT group (Hedge’s g?=?1.66; p?=?.003). The results indicate that assisted high-cadence cycling (i.e. ACT) produces superior neural benefits in the dorsolateral prefrontal cortex compared to VC.     

Who Is at Risk for Psychological Distress in Genetic Testing Programs for Hereditary Cancer Disorders?

Presymptomatic identification of disease gene carriers is becoming an increasingly common part of the clinical management of hereditary cancer disorders. With an expected increase in the number of requests for DNA testing and the limited resources for counseling, the amount of time genetic counselors are able to spend with test candidates will decrease. It is therefore important for counselors to identify persons at risk for psychological distress. Based on a review of experiences with Huntington disease and cancer patients, we describe factors likely to evoke distress in genetic cancer candidates. We also discuss the sometimes widely different ways that test candidates and their partners respond to genetic testing. By exploring risk factors for distress in relevant domains of the research, we can offer counselors guidelines for determining who may need extra counseling.     

Relationships between factors of intelligence and brain volume

The recent explosion of studies aimed at determining the biological basis of intelligence has revealed that cognitive ability has a strong biological substrate. This study expands on this literature by examining the relation between cognitive ability and MRI-measured brain volume and head size in a sample of adult male siblings recruited from the London, Ontario community in Canada. It was found that brain volume correlated with IQ at 0.35 (P<0.01), thus replicating the results of past studies. Corrections for restriction of range and attenuation in both this and past studies suggest that the population value of the brain volume-IQ correlation is closer to 0.50. Head size variables, with one exception, also showed the expected positive correlations with IQ. The results of a vector analysis on factor scores indicated that the more highly g-loaded a test was the more highly it correlated with brain volume (r=0.59, P<0.01). The sum of the data suggested that although brain volume (and to a lesser extent, head size) is predictive of g, fluid ability, and memory, it does not predict crystallized ability. Unexpectedly, the higher the spatial imaging loading of a test, the less its correlation with brain volume (vector correlation=−0.84, P<0.001).     

A Typology of Interactional Patterns Between Youth and Their Stepfathers: Associations with Family Relationship Quality and Youth Well‐Being

Stepfamilies are an increasingly common family form, many of which are headed by a resident mother and stepfather. Stepfather–child relationships exert notable influence on stepfamily stability and individual well‐being. Although various stepfather roles have been observed, more research is warranted by which stepfather–child interactions are explored holistically and across a variety of life domains (e.g., recreational, personal, academic, and disciplinary). Thus, the primary purpose of the current study is to explore varying interactional patterns between youth and their stepfathers. A latent class analysis is conducted using a representative sample of 1,183 youth (53% female; mean age = 15.64 years, SD = 1.70 years; 62% non‐Hispanic White) residing in mother–stepfather families from Wave I of the National Longitudinal Study of Adolescent to Adult Health. Latent‐class enumeration processes support a four‐class solution, with latent classes representing inactive, academically oriented, casually connected, and versatile and involved patterns of youth–stepparent interaction. Notable differences and similarities are evident across patterns with respect to family relationship quality, youth well‐being, and socio‐demographic characteristics. Differences are most stark between the inactive and versatile and involved patterns. Ultimately, the results showcase notable variation in youth–stepparent interactional patterns, and one size does not necessarily fit all stepfamilies. Family practitioners should be mindful of variation in youth–stepparent interactional patterns and assist stepfamilies in seeking out stepparent–child dynamics that are most compatible with the needs and dynamics of the larger family system.     

Predicting Substance Use Patterns Among Rural Adults: The Roles of Mothers,Fathers, and Parenthood

This study examined the role of parenthood and parental influences on substance use patterns for 710 stimulant users age 18–61 living in the rural Midwest and Mid‐south U.S. Longitudinal growth analyses showed that a maternal history of drug use was associated with increased baseline drug use severity, lesser declines in severity, and greater plateau of drug use severity over time. Parental conflict was associated with lesser declines in drug use severity, and drug use severity declined more steeply for participants who were themselves parents. Participants with two parents having a history of alcohol use had a greater baseline severity of alcohol use, with paternal history of drug use associated with lower baseline alcohol use severity. These findings demonstrate the importance of identifying parental influences in evaluating adult substance use, and point to the inclusion of parents in efforts to prevent and treat substance use disorders.     

Examining the emerging entrepreneurial mindset in adolescence: A study in Nigeria

This study investigated the relationship of family environment, network, parental socio‐economic status, self‐efficacy and proactive personality on entrepreneurial intention of secondary school adolescents and the mediating role of self‐efficacy. The participants were 250 secondary school SS2 adolescents randomly selected from six secondary schools in Ibadan Metropolis, Ibadan, Oyo State, Nigeria. Structural Equation Modelling was used to analyse the data obtained from the participants. The results showed that all the contextual and individual factors had significant relationship with entrepreneurial intention and self‐efficacy partially mediated the relationship. It was suggested that counselling psychologists should consider the contextual and individual variables while assisting students in building their entrepreneurial intention.     

The development of violence from age 8 to 61

The main aim of this study is to investigate the development of violence from childhood to adulthood. In the Cambridge Study in Delinquent Development (CSDD), 411 London males have been followed up from age 8 to 48 in interviews, and from age 10 to 61 in criminal records; 19% were convicted for violence. There was a surprising amount of violence committed at older ages (40–61). The number of violence convictions was similar at ages 10–20, 21–39, and 40–61. There was considerable continuity in violent offending from ages 10–20 to 40–61. There was also continuity in self-reported violence from ages 15–18 to 43–48, and violence convictions were related to self-reported violence at all ages. The most important childhood risk factors for violence convictions were high daring or risk-taking, low verbal intelligence, a disrupted family, harsh parental discipline, high hyperactivity, and large family size. The extent to which these risk factors predicted violence at ages 40–61 was noteworthy. The “integrated cognitive antisocial potential (ICAP)” theory was proposed to explain the development of violence, and methods of preventing violence, targeting childhood risk factors, were reviewed.     

Expanding perspectives: A social inequities lens on intimate partner violence,reproductive justice,and infant mental health

Intimate partner violence (IPV) poses a threat to the attainment of reproductive justice. Women who experience IPV are limited in their ability to parent their children in a secure and nurturing environment, which can have negative effects on the mother and child immediately and long-term, potentially distressing reproductive well-being across generations. Societal inequities faced by women, particularly women of color, within education, economic, and legal systems are associated with risk factors for IPV. This article will use national- and state-level data with case examples and the lens of reproductive justice to consider the impact of and potential solutions to historical and institutional inequities related to IPV.     

Internet addiction,self-esteem and the validation of the Italian version of the Internet Related Experiences Questionnaire

IntroductionThe continued progression of the digital age raises the question of Internet and social media abuse among adolescents and of the need for more specific assessment instruments to measure the phenomenon.ObjectiveThe purpose of the current study was to explore the role of intrapersonal and interpersonal factors influencing Internet addiction, as well as to evaluate the psychometric properties of the Internet Related Experiences Questionnaire (IREQ-I) in relation to a sample of Italian adolescents.MethodTwo studies were designed. In study 1, a school-based sample of 838 Italian adolescents was recruited to test the psychometric properties of the IREQ-I by using a robust Confirmatory Factor Analysis (CFA). In study 2, a total of 438 Italian adolescents were recruited to investigate the concurrent validity of the instrument.ResultsWe found that intrapersonal rather than interpersonal factors were associated with Internet abuse. The final version of the IREQ-I showed a good level of fit and the bi-factorial solution was consistent with the previous findings.ConclusionThe results of this study suggest that the IREQ-I is a valuable bifactorial instrument for measuring Internet abuse, including both intrapersonal and interpersonal factors as theoretically relevant constructs.     

气象因素如何影响消费行为?基于情境营销理论的气象营销机制

从个体情绪波动到社会经济兴衰, 越来越多的研究开始关注气象因素对人类行为的重要影响。本研究提出大数据时代下, 基于情境营销理论的气象营销新概念。通过识别动态气象环境中对消费者心理和行为有影响的气象因素, 提出和验证“气象因素-消费心理-消费行为”这一逻辑链条的影响机制。研究主要围绕情境营销的气象因素影响、气象因素对消费心理和行为的影响机制、气象因素影响消费者行为机制下的营销策略三个主要问题展开讨论。预期研究成果将进一步延伸和丰富现有情境营销理论, 同时对环境消费心理学也是有益的补充。