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We studied the patient JP who has exceptional abilities to draw complex geometrical images by hand and a form of acquired synesthesia for mathematical formulas and objects, which he perceives as geometrical figures. JP sees all smooth curvatures as discrete lines, similarly regardless of scale. We carried out two preliminary investigations to establish the perceptual nature of synesthetic experience and to investigate the neural basis of this phenomenon. In a functional magnetic resonance imaging (fMRI) study, image-inducing formulas produced larger fMRI responses than non-image inducing formulas in the left temporal, parietal and frontal lobes. Thus our main finding is that the activation associated with his experience of complex geometrical images emerging from mathematical formulas is restricted to the left hemisphere.

It is not just girls these days who are consumed by an unattainable body image.

Doctored images can affect what we eat, how we vote and even our childhood recollections. The question scientists are asking is why there's nothing we can do to stop it.

Burly, bearded James Fallon tells people he has the brain of a psychopathic killer. And he has some brain scans he thinks back up his claim.