# review of reference and consciousness
**Opening (not a real abstract):** John Campbell's philosophical work is, admittedly, in tune with empirical discoveries in the cognitive sciences. His research on the relationship between attention, reference, consciousness and spatial representations has followed contemporary trends in experimental psychology and is largely devoted to a reflexion on the complicated theoretical issues raised by empirical work. Reference and Consciousness sums up Campbell's philosophical investigations on attention by providing a bold attempt to ground the explanation of our ability to refer to things in perceptual and cognitive capabilities. The problem of understanding how we select salient information and inviduate objects through attentional mechanisms and how such mechanisms relate to conscious experience has been a leading topic of study and debate in recent cognitive sciences [1]: