The indirect effect of cognitive reserve on the relationship between age and cognition in pathological ageing: A cross-sectional retrospective study in an unselected and consecutively enrolled sample

Cognitive reserve (CR) allows individuals to maintain cognitive functionality even in the presence of pathologies. The compensation hypothesis suggests that CR plays an indirect role between age and cognitive decline, contrasting the negative effect of ageing on cognition. We test this hypothesis in an unselected and consecutively enrolled sample of memory clinic attendees (n = 134) who completed the CR Index questionnaire and three neuropsychological tests assessing global cognition (MMSE, FAB, CDT). Participants were divided into two groups based on standard diagnostic criteria (DSM-5): those who were cognitively impaired (n = 92) and those who were preserved (n = 42). A principal component analysis was used to extract a composite measure of global cognitive functioning from the three neuropsychological tests, and mediation analysis was used to examine the relationship between CR, age and global cognitive functioning in the two groups. Results revealed that: (i) age had a significant direct negative effect on the global cognitive score in both groups; (ii) the three socio-behavioural proxies of CR together suppress the direct negative relationship between age and global cognitive score in cognitively impaired patients but not in cognitively preserved participants. This study confirms the association between CR, age and cognition and allows us to validate its role in a population with cognitive impairment and extend findings to a low-to-middle educated population. These results hold important implications for public health and wellness promotion, emphasising the beneficial role of maintaining healthy and active physical, cognitive and social lifestyles.     

Analyse d'une Sepreuve d'image mentale chez des adolescents presentant des difficultis d'apprentissage scolaire1

Le travail faisant l'objet de cet article s'inscrit dans le cadre d'un programme de recherche plus large qui s'intéresse à la variabilité individuelle des processus cognitifs et à son influence éventuelle sur les lois générates du développement de l'intelligence. Une partie des résultats a déjàété présentée dans d'autres publications auxquelles le lecteur pourra se référer pour plus de détails (par exemple, Rieben et al., 1983). Nous nous contenterons de les décrire brièvement afin d'introduire l'aspect spécifique sur lequel nous nous sommes centrées ici.     

The Theoretical Reformer: on Husserl’s Plato (Husserl and the Figures of the History of Philosophy)

ABSTRACT

The present research contributes to the elucidation of an important aspect of Husserl’s interpretation of the history of philosophy, that is, his reading of the beginning of Western thought. In particular, it aims to clarify the sense in which Husserl deems Plato the father of the idea itself of philosophy as a science. As will be maintained, Husserl thinks of Socrates and Plato together as providing the first reform of philosophy, whose overall goal is to give reason (Vernunft) a universal method of self-justification against the general skepticism of the sophists. The analysis will be both systematically and historically oriented, for, it will try to both reconstruct Husserl’s interpretation of the background against which Plato first introduces the idea of philosophy as a science, and to show that what is truly at stake for Husserl is the nature of philosophy itself.