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Owing to its bizarre nature and its implications for understanding how brains work, synesthesia has recently received a lot of attention in the popular press and motivated a great deal of research and discussion among scientists. The questions generated by these two communities are intriguing: Does the synesthetic phenomenon require awareness and attention? How does a feature that is not present become bound to one that is? Does synesthesia develop or is it hard wired? Should it change our way of thinking about perceptual experience in general? What is its value in understanding perceptual...

Lynn Robertson has been studying how brain lesions affect spatial abilities for over 20 years, and her work has revealed some surprising facts about space and its role in visual perception. In this book she combines evidence collected in her laboratory with findings from others to explore the cognitive and neural basis of spatial representations and their contributions to spatial awareness, object formation, attention, and binding.

The fact that half of space can disappear while the other half remains intact or that an object can be seen without its location is something that most normal perceivers find astonishing. The belief that space is a unitary platform supporting objects is hard to shake. This text examines this.