Stepping Responses in Young and Older Adults Following a Perturbation to the Support Surface During Gait

The objective of this work was to investigate the influence perturbation direction has on postural responses during overground gait, and whether these responses are age related. Differences in stepping patterns following perturbations of the support surface were examined in the frontal and sagittal planes during forward walking. Eleven young and 10 older adults completed Mini BESTest, hip strength tests, and 45 perturbed walking trials, triggered on heel contact. Lateral perturbations were more challenging to postural stability for both groups. Step length measures showed young adults recovered in the step proceeding the perturbation, while older adults needed additional steps to regain balance. Young adults arrested center of mass movement by producing larger step widths than older adults following the support surface perturbation.     

A Retrospective Examination of Child Protection Involvement Among Young Adults Accessing Homelessness Services

Childhood maltreatment is associated with a variety of young adult adversities including homelessness. This study used linked administrative records to develop a population‐level, epidemiological characterization of the child protection histories of young adults accessing homelessness services. The records of all 17‐ to 24‐year‐olds receiving homeless services between 2011 and 2014 in San Francisco County, California (n = 2241) were probabilistically linked to statewide child protective service (CPS) records. Findings document that 50.0% of young adults had been reported for maltreatment at least once during childhood, yet the prevalence of past CPS involvement varied across demographic and child welfare characteristics. Homeless female youth were significantly more likely to have a CPS history than male youth (58.1% vs. 41.5%). Nearly twice as many Black clients accessing homelessness services had a CPS history as did White clients (59.8% vs. 31.8%). Roughly half (47.3%) of those with a childhood history of reported maltreatment had been last reported for maltreatment in another California county. Targeting services that address past trauma and instability among homeless young adults may be justified given the prevalence of CPS history in this population.     

Motives and Barriers for Physical Activity among Low-Income Black Single Mothers

Physical activity is associated with positive health outcomes, yet previous evidence suggests that single mothers, Black women, and those with low-income levels have low rates of physical activity. The purpose of the present study was to examine health status, as well as barriers and motives for physical activity, among low-income, Black single mothers from an intersectionality framework. Participants (n = 32) in this cross-sectional, mixed methods study completed questionnaires to assess physical activity, health status, stress, and barriers to physical activity and then participated in one of six focus groups to explore physical activity motives and barriers. Although participants reported many risk factors for disease including obesity, stress, and family disease history, most participants were not engaging in behaviors that would improve health such as regular leisure-time physical activity. Participants cited being a role model, stress relief, and weight loss as motives for physical activity that were connected to their social identities as low-income, Black single mothers. Chronic stress and stressors, responsibilities associated with single motherhood, and lack of social and community supports were described as barriers to physical activity. Future researchers and practitioners should consider these specific motives and barriers when designing interventions to increase physical activity among low-income, Black single mothers. We recommend that these programs focus on: promoting motives for physical activity that are meaningful and specific to this subpopulation of mothers, reducing stress, and enhancing affordable physical activity opportunities in the community for single mothers and their children.     

A Comparison of Christians’ Concepts of Jesus Christ and God

In the god concept literature, little research has been conducted on how people think about and relate specifically to Jesus Christ. This study addresses the extent to which Christians distinguish between Jesus and God in terms of their concepts of Jesus and God, the pathways they use to connect with Jesus and God, and the benefits they seek and receive from Jesus and God. The study also tests whether participants’ concepts of Jesus have unique predictive power for psychological, social, and spiritual criterion variables after controlling for their concepts of God. The sample includes 165 college students and 107 church attendees who self-identified as Christians. Results indicate that although most participants view Jesus and God as being similar to each other, they perceive Jesus to be warmer but less transcendent and stern than God. Including participants’ concepts of Jesus in hierarchical multiple regressions accounted for significant additional variance after controlling for their concepts of God in predicting participants’ negative affect, social justice attitudes, spiritual emotions, and Christian orthodoxy. Participants generally used various pathways more to connect with God than with Jesus, and they reported seeking and receiving many benefits more from God than from Jesus. These results suggest that future research on god concepts among Christians ought to include separate measures of Jesus concepts and God concepts.     

Couple Conflict in Parents of Children with versus without Autism: Self-Reported and Observed Findings

We compared the couple conflict of parents of children with autism spectrum disorder (ASD) to a comparison group of parents of children without disabilities using self-reported and observational measures. In total, 178 couples who had a child with ASD (aged 5–12 years) and 174 couples who had children without disabilities (aged 5–12 years), recruited from a Midwestern state in the United States, reported on couple conflict in everyday life and engaged in an observed couple conflict interaction. Parents of children with ASD reported more frequent, severe, and unresolved couple problems than the comparison group. Parents who had a child with ASD were observed to have less engaged, balanced, and cooperative couple conflict interactions, but demonstrated more positive affect and sensitivity towards one another, than parents in the comparison group. Group differences had small effect sizes. Findings have implications for marital therapy and relationship education programs.     

The Importance of Assessing for Childhood Abuse and Lifetime PTSD in Bariatric Surgery Candidates

For bariatric surgery candidates, history of child abuse and PTSD may be under-recognized or under-reported at pre-surgical evaluation. On a range of clinically relevant factors, we studied 3045 candidates for bariatric surgery: (1) those with a history of childhood abuse compared to those without such history; and (2) among candidates with a history of abuse, those with a lifetime diagnosis of PTSD compared to those without that diagnosis. We compared them on current and lifetime eating disorders, physical health problems, health behaviors, physical functioning, psychosocial functioning, psychiatric disorders, emotional wellness, body satisfaction, and self-esteem. We hypothesized that patients with a history of childhood abuse, and within that group, those with a lifetime PTSD diagnosis, would display greater overall impairment. Patients were interviewed with semi-structured interviews and completed self-report questionnaires. Results showed that (1) patients with a history of childhood abuse exhibited significantly greater impairment than those without abuse; and (2) among candidates with a history of abuse, those with a lifetime history of PTSD displayed significantly greater impairment than those without a PTSD diagnosis. The findings suggest that a history of both childhood abuse and lifetime PTSD should be thoroughly assessed for at pre-surgical evaluation, and that greater attention be paid to the experience of PTSD symptoms in abuse survivors presenting for bariatric surgery.     

Intuitive probabilistic inference in capuchin monkeys

The ability to reason about probabilities has ecological relevance for many species. Recent research has shown that both preverbal infants and non-human great apes can make predictions about single-item samples randomly drawn from populations by reasoning about proportions. To further explore the evolutionary origins of this ability, we conducted the first investigation of probabilistic inference in a monkey species (capuchins; Sapajus spp.). Across four experiments, capuchins (N = 19) were presented with two populations of food items that differed in their relative distribution of preferred and non-preferred items, such that one population was more likely to yield a preferred item. In each trial, capuchins had to select between hidden single-item samples randomly drawn from each population. In Experiment 1 each population was homogeneous so reasoning about proportions was not required; Experiments 2–3 replicated previous probabilistic reasoning research with infants and apes; and Experiment 4 was a novel condition untested in other species, providing an important extension to previous work. Results revealed that at least some capuchins were able to make probabilistic inferences via reasoning about proportions as opposed to simpler quantity heuristics. Performance was relatively poor in Experiment 4, so the possibility remains that capuchins may use quantity-based heuristics in some situations, though further work is required to confirm this. Interestingly, performance was not at ceiling in Experiment 1, which did not involve reasoning about proportions, but did involve sampling. This suggests that the sampling task posed demands in addition to reasoning about proportions, possibly related to inhibitory control, working memory, and/or knowledge of object permanence.