Competency-based education (CBE) provides a framework for nursing programs including those educating nurse practitioners (NPs). The basic assumption of CBE is that the student will demonstrate acquisition of the identified essential knowledge, skills, and attitudes expected for the designated educational process before leaving the learning environment. The work done to date in developing competencies and progression indicators provides the critical basis to move toward a common language and clear expectations for the continuum of linear progression of proficiency. Entrustable professional activities (EPAs) are built on competencies and stated as measurable activities that providers can be expected to do, at varying levels of competence or trust or supervision, and allow the faculty member, preceptor, or supervisor to make decisions as to what teaching methods and level of supervision are needed. Numerous methods are used to measure competency in clinical skill knowledge, performance, and practice readiness including clinical preceptor feedback, objective structured clinical examination, and simulation, just to name a few. NP programs continue to struggle with the education practice gap between theory and the actual provision of care. The discussion about novel and reliable methods for measurement of competencies must address the strategic importance of a consensus about when, where, and how students can obtain the appropriate amount and type of experience and supervision required in the transition to independent practice. There is also a significant need for processes and standardized guidelines that can contribute to EPA development.

In addition to the obvious health problems and/or physical limitations associated with HIV, diabetes, and aging, each of these are known to independently affect cognitive functioning. While this relationship to cognition does not necessarily mean frank cognitive impairments are inevitable with HIV, diabetes, and aging, it does entail that each of these conditions may lead to poorer cognitive performance compared to younger adults and individuals without HIV and diabetes. Many individuals may be aware of the physical symptoms associated with these diseases, but may be unaware of the cognitive outcomes associated with HIV and diabetes, especially if not controlled by medication and a healthy lifestyle. Additionally, individuals may be unaware of the significance of maintaining optimal cognitive functioning in order to maintain optimal everyday functioning abilities such as driving, cooking, managing medication regimens, and negotiating finances. Given that highly active antiretroviral therapy (HAART) has allowed individuals with HIV to live to reach older adulthood, and that dysglycemia and/or type 2 diabetes can be a metabolic side effect of these medications (Biron et al., 2012; Norbiato, 2012; Raper, 2010), it is reasonable to assume that there is a subset of individuals aging with HIV and diabetes, which may become more prevalent as individuals continue to age with HIV in the coming decades. Thus, the purpose of this article is to inform healthcare providers and researchers about the cognitive outcomes associated with HIV, diabetes, and aging independently within the context of cognitive reserve, and then to examine the potential synergistic effects of these conditions in individuals living with all three (Figure 1). This article also incorporates potential intervention strategies to protect and possibly improve cognitive functioning, or at the very least mitigate cognitive loss, in this population.

The brain remains dynamic even in older age and can benefit from mental exercise. Thus, it is important to understand the concepts of positive neuroplasticity and negative neuroplasticity and how these mechanisms either support or detract from cognitive reserve. This article provides a brief review of these key concepts using four exemplary studies that clearly demonstrate the effects these neurological mechanisms exert on cognitive reserve and cognitive functioning. From this review, a working knowledge of how neuroplasticity and cognitive reserve are expressed in patients will be provided along with how this information can be incorporated into nursing practice and research.

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