At least 15 percent of human females possess a genetic mutation that gives them an extra (fourth) type of color photoreceptor - and this allows them to discriminate between colors that look identical to the majority of us with a mere three types of color photoreceptors.
David EaglemanDeath... The moment, sometime in the future, when your name is spoken for the last time.
David EaglemanIf choices and decisions derive from hidden mental processes, then free choice is either an illusion or, at minimum, more tightly constrained than previously considered.
David EaglemanIf you are a carrier of a particular set of genes, your probability of committing a violent crime goes up by eight hundred and eighty-two percent.
David EaglemanIn the traditionally taught view of perception, data from the sensorium pours into the brain, works its way up the sensory hierarchy, and makes itself seen, heard, smelled, tasted, felt - "perceived." But a closer examination of the data suggests this is incorrect. The brain is properly thought of as a mostly closed system that runs on its own internally generated activity.
David Eagleman