Peter Carruthers

Do we think in natural language? Or is language only for communication? Much recent work in philosophy and cognitive science assumes the latter. In contrast, Peter Carruthers argues that much of human conscious thinking is conducted in the medium of natural language sentences. However, this does not commit him to any sort of Whorfian linguistic relativism, and the view is developed within a framework that is broadly nativist and modularist. His study will be essential reading for all those interested in the nature and significance of natural language, whether they come from philosophy, psychology or linguistics.

This chapter considers whether any of the inner sense mechanisms that have been postulated to detect and represent some of our own mental states should qualify as sensory modalities. We first review and reject the four standard views of the senses, and then propose a set of properties that would be possessed by a prototypical sensory system. Thereafter we consider how closely the existing models of inner sense match the prototype. Some resemble a prototypical sense to a high degree, some much less so.

This paper argues that a Cartesian belief in the self-transparency of minds might actually be an innate aspect of our mind-reading faculty. But it acknowledges that some crucial evidence needed to establish this claim hasn’t been looked for or collected. What we require is evidence that a belief in the self-transparency of mind is universal to the human species. The paper closes with a call to anthropologists (and perhaps also developmental psychologists), who are in a position to collect such evidence, encouraging them to do so.

This paper starts from an assumption defended in the author's previous work. This is that distinctivelyhuman flexible and creative theoretical thinking can be explained in terms of the interactions of a variety of modular systems, with the addition of just a few amodular components and dispositions. On the basis of that assumption it is argued that distinctively human practical reasoning, too, can be understood in modular terms. The upshot is that there is nothing in the human psyche that requires any significant retreat from a thesis of massively modular mental organization.

The Centered Mind offers a new view of the nature and causal determinants of both reflective thinking and, more generally, the stream of consciousness. Peter Carruthers argues that conscious thought is always sensory-based, relying on the resources of the working-memory system. This system enables sensory images to be sustained and manipulated through attentional signals directed at midlevel sensory areas of the brain. When abstract conceptual representations are bound into these images, we consciously experience ourselves as making judgments or arriving at decisions. However, our amodal (non-sensory) propositional attitudes are never actually among the contents of this stream of conscious reflection. Our beliefs, goals, and decisions are only ever active in the background of consciousness, working behind the scenes. They are never themselves conscious.Drawing on extensive knowledge of the scientific literature on working memory and related topics, Carruthers challenges the central assumptions of many philosophers. In addition to arguing that non-sensory propositional attitudes are never conscious, he also shows that they are never under direct intentional control. Written with his usual clarity and directness, The Centered Mind will be essential reading for all philosophers and cognitive scientists interested in the nature of human thought processes.