Understanding neurophobia: Reasons behind impaired understanding and learning of neuroanatomy in cross‐disciplinary healthcare students

Recent studies have highlighted a fear or difficulty with the study and understanding of neuroanatomy among medical and healthcare students. This has been linked with a diminished confidence of clinical practitioners and students to manage patients with neurological conditions. The underlying reasons for this difficulty have been queried among a broad cohort of medical, dental, occupational therapy, and speech and language sciences students. Direct evidence of the students’ perception regarding specific difficulties associated with learning neuroanatomy has been provided and some of the measures required to address these issues have been identified. Neuroanatomy is perceived as a more difficult subject compared to other anatomy topics (e.g., reproductive/pelvic anatomy) and not all components of the neuroanatomy curriculum are viewed as equally challenging. The difficulty in understanding neuroanatomical concepts is linked to intrinsic factors such as the inherent complex nature of the topic rather than outside influences (e.g., lecture duration). Participants reporting high levels of interest in the subject reported higher levels of knowledge, suggesting that teaching tools aimed at increasing interest, such as case‐based scenarios, could facilitate acquisition of knowledge. Newer pedagogies, including web‐resources and computer assisted learning (CAL) are considered important tools to improve neuroanatomy learning, whereas traditional tools such as lecture slides and notes were considered less important. In conclusion, it is suggested that understanding of neuroanatomy could be enhanced and neurophobia be decreased by purposefully designed CAL resources. This data could help curricular designers to refocus attention and guide educators to develop improved neuroanatomy web‐resources in future. Anat Sci Educ 11: 81–93. © 2017 American Association of Anatomists.     

Flow of DNA solutions in a microfluidic gradual contraction

The flow of λ-DNA solutions in a gradual micro-contraction was investigated using direct measurement techniques. The effects on DNA transport in microscale flows are significant because the flow behavior is influenced by macromolecular conformations, both viscous and elastic forces dominate inertial forces at this length scale, and the fully extended length of the molecule approaches the characteristic channel length w_c (L/w_c ∼ 0.13). This study examines the flow of semi-dilute and entangled DNA solutions in a gradual planar micro-contraction for low Reynolds numbers (3.7 × 10⁻⁶< Re < 3.1 × 10⁻¹) and high Weissenberg numbers (0.4 < Wi < 446). The semi-dilute DNA solutions have modest elasticity number, El = Wi/Re = 55, and do not exhibit viscoelastic behavior. For the entangled DNA solutions, we access high elasticity numbers (7.9 × 10³< El < 6.0 × 10⁵). Video microscopy and streak images of entangled DNA solution flow reveal highly elastic behavior evidenced by the presence of large, stable vortices symmetric about the centerline and upstream of the channel entrance. Micro-particle image velocimetry measurements are used to obtain high resolution, quantitative velocity measurements of the vortex growth in this micro-contraction flow. These direct measurements provide a deeper understanding of the underlying physics of macromolecular transport in microfluidic flow, which will enable the realization of enhanced designs of lab-on-a-chip systems.     

Assessing physicians' intentions to talk about sex when they vaccinate nine-year-old to 15-year-old girls against HPV

The human papillomavirus (HPV) vaccine provides physicians with an opportunity to have conversations with girls about sex and sex-related topics. Current research suggests that these conversations are not happening. This study was designed to assess whether physicians would use the HPV vaccination as an opening to communicate with nine-year-old to 15-year-old female patients about sex using the Theory of Planned Behavior as a framework. The study also assessed what sexual health topics physicians were willing to discuss when they vaccinated patients and at what ages they would be willing to discuss each topic. Differences in communication were also examined between older and younger physicians and female and male physicians. A random sample (n = 207) of all family practice and pediatric physicians in a rural, Midwest state in the USA were mailed a survey about the HPV vaccine and their intentions to talk about sex-related topics. Specifically, the survey questions assessed the theoretical constructs: attitudes, subjective norms, and perceived behaviour control. The results point to physicians' intentions to talk about sex when they vaccinate. Most physicians intended to talk about sexually transmitted infections when they vaccinate against HPV (90.3%). A multivariate linear regression reveals that physicians' intentions to talk about sex are influenced by attitudes (β = 0.18, p < 0.05), subjective norms (β = 0.53, p < 0.001), and perceived behavioural control (β = 0.15, p < 0.05). Physicians intended to talk about a variety of sex-related topics when they vaccinate nine-year-old to 15-year-old girls against HPV. The research indicated that physicians' intentions were high, but do not indicate how well physicians are prepared for this communication with nine-year-old to 15-year-old girls about sex.