**8. Conclusions**

Albeit limitations [5], the literature suggests that emotions predispose the body to timely recognition and response to specific circumstances. Situations identify ancestral problems, and the responses illustrate the solutions that have proved most profitable for evolutionary success [4]. In this sense, the emotional process has as its central themes the body's coordination [5], the signaling of the individual's state [17], and the processing by the central nervous system of both endogenous and exogenous information [46].

The literature does not allow a conclusive illustration of the neurophysiology of emotions. Nevertheless, each emotional subtype likely has its patterns [3]. It seems then better to speak of families rather than single emotions [17].

Due to several factors, the emotional process affects performance in different domains (e.g., perception and attention). These factors include the partial overlap of the neural basis of emotion and other faculties and the numerous brain interconnections. Furthermore, elicitors are heterogeneous and even include the essential elements of emotion (e.g., expressions). That suggests the nonlinearity of the emotional process. In other words, emotions could have stochastic or aleatory progress: In probabilistic terms, each element can initiate, be a part of, or be their outcome [7].
