 It may well be that the input-output connections can be finitely stated only if the output is described in explicitly spatial terms (e.g., ‘extending the arm’, ‘walking forward two feet’, etc.). If this is so, it would rule out the reduction of the egocentric spatial vocabulary to a muscular vocabulary. But such a reduction is certainly not needed for the point being urged here, which is that the spatial information embodied in auditory perception is specifiable only in a vocabulary whose terms derive their meaning partly from being linked with bodily actions. Even given an irreducibility, it would remain the case that possession of such information is directly manifestable in behaviour issuing from no calculation; it is just that there would be indefinitely many ways in which the manifestation can occur. (Evans 1982: 156)