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- Teoria da mente e funções executivas nos doentes de ParkinsonPublication . Ramos, Tânia Marisa Ferreira; Reis, Alexandra; Faísca, LuísHuman social interaction is crucial in daily life and essential for a promising life, however for this interaction a regulatory mechanism is essential. This mechanism, called the theory of mind (ToM), allows individuals to assign mental states such as intentions, beliefs and emotions, leading them to understand and predict the behavior of other individuals (Hezel and McNally, 2014). In the last twenty years, the scientific literature has focused on this theme and has shown that this capacity is altered in Parkinson's disease (PD). In this context, studies have investigated the relationship between ToM deficits and the executive deficits that characterize PD. However, the results have been inconsistent. The reasons may be due to divergences and diversity of instruments used, study paradigms or even the sample number. Objective: This study aimed to investigate the relationship between executive functions and ToM capabilities in individuals diagnosed with Parkinson's without dementia. It is also intended to ascertain whether the existence of differences in executive functioning influences the relationship between the group and ToM. Method: We evaluated and compared 34 participants - 17 with PD without dementia and 17 healthy individuals without neurological disease, aged 54 to 78 years. Results: The main results obtained demonstrated, similarly to what is exposed in the literature, the existence of significant differences between the groups, especially in the domains of executive functions and in ToM. These results suggest that Parkinson's patients have impaired executive and ToM functions, and executive functioning plays a mediating role in the group's relationship to ToM. Conclusion: In our study, executive functioning is a mediator in the relationship between the group and ToM, highlighting the intimate link between these two domains of functioning and which translates into the difficulty of individuals with PD to respond in an adaptable way to daily situations.