Daniel Quesada

The study of the contrast between fundamental aspects of spatial and temporal awareness offers a good opportunity to bring to light the relation between philosophical and scientific theories of consciousness. In this paper we critically examine important work by Rick Grush on spatial and temporal experience, and we show that while there is a valid claim for the relevant neuroscientific model to be one that supports Gareth Evans's stance on "behavioral space", there is not at present any scientific model that offers comparable support for philosophical theories of temporal experience, despite some claims by Grush that might suggest the contrary. Moreover, we argue that careful attention to the spatial case allows us to locate the point at which even relatively successful cases of neuroscientific modeling and explanation are left wanting when their aim is to show that phenomenal features of experience are a function of the representational structures produced by our neural information-processing machinery: an aim widely shared by the predominant programmatic stance in current neuroscience research.

Marr’s celebrated contribution to cognitive science (Marr 1982, chap. 1) was the introduction of (at least) three levels of description/explanation. However, most contemporary research has relegated the distinction between levels to a rather dispensable remark. Ignoring such an important contribution comes at a price, or so we shall argue. In the present paper, first we review Marr’s main points and motivations regarding levels of explanation. Second, we examine two cases in which the distinction between levels has been neglected when considering the structure of mental representations: Cummins et al.’s distinction between structural representation and encodings (Cummins in Journal of Philosophy, 93(12):591–614, 1996; Cummins et al. in Journal of Philosophical Research, 30:405–408, 2001) and Fodor’s account of iconic representation (Fodor 2008). These two cases illustrate the kind of problems in which researchers can find themselves if they overlook distinctions between levels and how easily these problems can be solved when levels are carefully examined. The analysis of these cases allows us to conclude that researchers in the cognitive sciences are well advised to avoid risks of confusion by respecting Marr’s old lesson

In this paper I will contrast the current situation concerning the explanatory relation between neuroscientific and philosophical accounts of our spatial and temporal experience. Evans’ account of “egocentric experience’ and Husserl’s analysis of temporal awareness are respectively taken to represent the philosophical side, while Pouget’s basis functions theory and Grush’s trajectory estimation theory act respectively as representatives of the neuroscientific camp. I inquire specifically about the respective chances of these representative neuroscientific theories to explain aspects of the ordinary spatial and temporal phenomenology, as this phenomenology is accounted for by those well-known philosophical theories. I will argue that, in this respect, the spatial and temporal cases present a strong contrast: while in the spatial case the claim that neuroscientific theories explain some aspects of the phenomenology would be defensible, nothing of this sort is in sight in the temporal case.

Este libro está dirigido a quien desee familiarizarse con los problemas clásicos y contemporáneos de la ética. Pero también está escrito desde un punto de vista y refleja una posición personal de l autora en torno a esta disciplina. En este libro se encontrarán nociones sobre un saber sistematizado que constituye el corazón de los conocimientos filosóficos. Pero en cuanto que la ética nos muestra esa pequeña pero poderosa arma que constituye la voluntad de transformación, liberación y cambio del ser humano cabe esperar que la lectura de este tratado iniciador en la disciplina contribuya a la mejora de la vida y la sociedad humanas.