PositiveThe New York Times The Extended Mind exhorts us to use our entire bodies, our surroundings and our relationships to \'think outside the brain.\' ... Paul’s view is that we are less like data processing machines and more like soft-bodied mollusks, picking up cues from within and without and transforming ourselves accordingly ... Either way, the parallel to this latest book is that the boundaries we commonly assume to be fixed are actually squishy ... Though the workings of the body’s plumbing and electricity usually fly under our radar, Paul is on target when stating that techniques that help us pinpoint their signals can foster well-being and even alter certain cortical features ... Paul writes with precision and flair. But she leaves out evidence that could add yet more nuance ... These are quibbles. The chapters on the ways natural and built spaces reflect universal preferences and enhance the thinking process felt like a respite.