Understanding the relationships between the physical environment and physical activity in older adults: a systematic review of qualitative studies.

While physical activity (PA) provides many physical, social, and mental health benefits for older adults, they are the least physically active age group. Ecological models highlight the importance of the physical environment in promoting PA. However, results of previous quantitative research revealed inconsistencies in environmental correlates of older adults' PA that may be explained by methodological issues. Qualitative studies can inform and complement quantitative research on environment-PA relationships by providing insight into how and why the environment influences participants' PA behaviors. The current study aimed to provide a systematic review of qualitative studies exploring the potential impact of the physical environment on older adults' PA behaviors.

The effect of peer influence and selection processes on adolescent alcohol use : a systematic review of longitudinal studies.

Adolescent alcohol use remains an important public health concern. One of the most salient and consistent predictors for drinking behaviour among young people is peer influence. A systematic review of longitudinal studies that examined the effect of peer influence on adolescent alcohol use between January 1997 and February 2011 is presented. Twenty-two studies fulfilled inclusion criteria and were reviewed. All but one study confirmed affiliation with alcohol-using or deviant peers as prospective predictors for the development of adolescent alcohol use. Findings revealed that existing longitudinal studies that have used multivariate analytic techniques to segregate peer influence (whereby adolescents start drinking after exposure to alcohol-using friends) and peer selection (whereby adolescents that start drinking without alcohol-using friends subsequently seek out drinking peers) effects consistently report significant peer influence effects. However, studies are unable to elucidate the relative contribution and developmental sequence of peer influence and selection. Existing research is synthesised to model the developmental influence of peer processes on adolescent alcohol use. Future research directions are recommended to inform better designed investigations that can lead to more effective endeavours to address peer processes in prevention efforts.

Assessment and the promotion of academic values

This paper raises issues concerning the relationship between student assessment and the values which academic institutions propagate. It argues that many current assessment practices are incompatible with the goals of independence, thoughtfulness and critical analysis to which most academics would subscribe; that forms of assessment which are commonplace are not consistent with the behaviour of academics in their own contributions to knowledge; and that there is evidence to suggest that the assessment policy of many departments undermines deep approaches to learning on the part of students. Some indications are given of possible strategies to address the problems which have been identified, drawing upon ideas from academic and professional practice in general and self-assessment and peer review in particular.

Barriers to primary care clinician adherence to clinical guidelines for the management of low back pain: protocol of a systematic review and meta-synthesis of qualitative studies.

INTRODUCTION: Low back pain is the highest ranked condition contributing to years lived with disability, and is a significant economic and societal burden. Evidence-based clinical practice guidelines are designed to improve quality of care and reduce practice variation by providing graded recommendations based on the best available evidence. Studies of low back pain guideline implementation have shown no or modest effects at changing clinical practice. OBJECTIVES: To identify enablers and barriers to adherence to clinical practice guidelines for the management of low back pain. METHODS AND ANALYSIS: A systematic review and meta-synthesis of qualitative studies that will be conducted and reported using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Statement guidelines. Eight databases will be searched using a priori inclusion/exclusion criteria. Two independent reviewers will conduct a structured review and meta-synthesis, and a third reviewer will arbitrate where there is disagreement. This protocol has been registered on PROSPERO 2014. ETHICS AND DISSEMINATION: Ethical approval is not required. The systematic review will be published in a peer-reviewed journal. The review will also be disseminated electronically, in print and at conferences. Updates of the review will be conducted to inform and guide healthcare translation into practice. TRIAL REGISTRATION NUMBER: PROSPERO 2014:CRD42014012961. Available from http://www.crd.york.ac.uk/PROSPERO/display_record.asp?ID=CRD42014012961.

Barriers to primary care clinician adherence to clinical guidelines for the management of low back pain: a systematic review and meta-synthesis of qualitative studies

INTRODUCTION: Despite the availability of evidence-based guidelines for the management of low back pain that contain consistent messages, large evidence-practice gaps in primary care remain.

OBJECTIVES: To perform a systematic review and meta-synthesis of qualitative studies that have explored primary care clinicians' perceptions and beliefs about guidelines for low back pain, including perceived enablers and barriers to guideline adherence.

METHODS: Studies investigatingperceptions and beliefs about low back pain guidelines were included if participants were primary care clinicians and qualitative methods had been used for both data collection and analysis. We searched major databases up to July 2014. Pairs of reviewers independently screened titles and abstracts, extracted data, appraised method quality using the CASP checklist, conducted thematic analysis and synthesized the results in narrative format.

RESULTS: Seventeen studies, with a total of 705 participants, were included. We identified three key emergent themes and eight subthemes: (1) guideline implementation and adherence beliefs and perceptions; (2) maintaining the patient-clinician relationship with imaging referrals; (3) barriers to guideline implementation. Clinicians believed that guidelines were categorical, prescriptive and constrained professional practice; however popular clinical practices superseded the guidelines. Imaging referrals were used to manage consultations and to obtain definitive diagnoses. Clinicians' perceptions reflected a lack of content knowledge and understanding of how guidelines are developed.

DISCUSSION: Addressing misconceptions and other barriers to uptake of evidence-based guidelines for managing low back pain is needed to improve knowledge transfer and close the evidence-practice gap in the treatment of this common condition.

Risk factors for violence in psychosis: systematic review and meta-regression analysis of 110 studies

Background

Previous reviews on risk and protective factors for violence in psychosis have produced contrasting findings. There is therefore a need to clarify the direction and strength of association of risk and protective factors for violent outcomes in individuals with psychosis.

Method

We conducted a systematic review and meta-analysis using 6 electronic databases (CINAHL, EBSCO, EMBASE, Global Health, PsycINFO, PUBMED) and Google Scholar. Studies were identified that reported factors associated with violence in adults diagnosed, using DSM or ICD criteria, with schizophrenia and other psychoses. We considered non-English language studies and dissertations. Risk and protective factors were meta-analysed if reported in three or more primary studies. Meta-regression examined sources of heterogeneity. A novel meta-epidemiological approach was used to group similar risk factors into one of 10 domains. Sub-group analyses were then used to investigate whether risk domains differed for studies reporting severe violence (rather than aggression or hostility) and studies based in inpatient (rather than outpatient) settings.

Findings

There were 110 eligible studies reporting on 45,533 individuals, 8,439 (18.5%) of whom were violent. A total of 39,995 (87.8%) were diagnosed with schizophrenia, 209 (0.4%) were diagnosed with bipolar disorder, and 5,329 (11.8%) were diagnosed with other psychoses. Dynamic (or modifiable) risk factors included hostile behaviour, recent drug misuse, non-adherence with psychological therapies (p values<0.001), higher poor impulse control scores, recent substance misuse, recent alcohol misuse (p values<0.01), and non-adherence with medication (p value <0.05). We also examined a number of static factors, the strongest of which were criminal history factors. When restricting outcomes to severe violence, these associations did not change materially. In studies investigating inpatient violence, associations differed in strength but not direction.

Conclusion

Certain dynamic risk factors are strongly associated with increased violence risk in individuals with psychosis and their role in risk assessment and management warrants further examination.

Prosthetic motor imaginary task classification using single channel of electroencephalography

Brain Computer Interface (BCI) is playing a very important role in human machine communications. Recent communication systems depend on the brain signals for communication. In these systems, users clearly manipulate their brain activity rather than using motor movements in order to generate signals that could be used to give commands and control any communication devices, robots or computers. In this paper, the aim was to estimate the performance of a brain computer interface (BCI) system by detecting the prosthetic motor imaginary tasks by using only a single channel of electroencephalography (EEG). The participant is asked to imagine moving his arm up or down and our system detects the movement based on the participant brain signal. Some features are extracted from the brain signal using Mel-Frequency Cepstrum Coefficient and based on these feature a Hidden Markov model is used to help in knowing if the participant imagined moving up or down. The major advantage in our method is that only one channel is needed to take the decision. Moreover, the method is online which means that it can give the decision as soon as the signal is given to the system. Hundred signals were used for testing, on average 89 % of the up down prosthetic motor imaginary tasks were detected correctly. This method can be used in many different applications such as: moving artificial prosthetic limbs and wheelchairs due to it's high speed and accuracy.

Social network perspectives reveal strength of academic developers as weak ties

Social network perspectives acknowledge the influence of disciplinary cultures on academics’ teaching beliefs and practices with implications for academic developers. The contribution of academic developers in 18 scholarship of teaching and learning (SoTL) projects situated in the sciences are explored by drawing on data from a two-year national project in Australia within a case study research design. The application of a social network lens illuminated the contribution of eight academic developers as weak ties who infused SoTL knowledge within teams. Two heuristic cases of academic developers who also linked across networks are presented. Implications of social network perspective are discussed.

Transforming roles to support student development of academic literacies: a reflection on one team’s experience

Abstract: Social work is a discipline that attracts students from diverse academic backgrounds. Many are first in family to attend university, and come to university through alternative pathways such as vocational education. As a result, there are higher levels of attrition compared to other disciplines, especially in the first year. To address this, and in keeping with a commitment to provide accessible education, one school of social work undertook a project to embed academic literacies into the curriculum. This paper used Gibb’s reflective process to explore how this was experienced by team members. Data were collected via staff focus groups at two different points in time across the project and compared. The reflection unpacked a number of tensions experienced by team members, including concerns about potential loss of resources as a result of academics adopting new roles, and concerns about implementing what was seen as Westernised academic skills which may not fit with students’ ways of thinking and creating knowledge. Overfull curricula and constant change also appeared to be of concern. The reflection highlighted that to achieve effective and sustainable change, action was required at multiple levels.

The emotional knots of academicity: a collective biography of academic subjectivities and spaces

The highly imagined and contested space of higher education is invested with an affectively loaded ‘knowledge economy optimism’. Drawing on recent work in affect and critical geography, this paper considers the e/affects of the promises of the knowledge economy on its knowledge workers. We extend previous analyses of the discursive constitution of academic subjectivity through the figuration of ‘emotional knots’ as we explore three stories of the constitution of academic subjectivities in institutional spaces. These stories were composed in a collective biography workshop, where participants constructed accounts of the physical, social, material and imaginative dimensions of subjectivities in the ‘academic-city’ of higher education spaces. Identifying moments of ‘perturbation’ in these stories, this paper considers the micro-contexts of ‘becoming academic’: how bodies, affects and relations become knotted in precise times and places. The figuration of ‘knots’ provides an analytical strategy for unravelling how subjects affectively invest in the promises of spaces saturated with knowledge economy discourses, and moments of impasse where these promises ring hollow. We examine the affective bargains made in order to flourish in the corporate university and identify spaces of possibility where optimistic projections of alternative futures might be formed. These stories and their analysis complicate the metanarrative of ‘knowledge economy optimism’ that is currently driving higher education reform in Australia.