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Synaesthesia? A window into perception, thought and language
Different subtypes of number–colour synaesthesia are identified and it is proposed that they are caused by hyperconnectivity between colour and number areas at different stages in processing; lower synaesthetes may have cross-wiring (or cross-activation) within the fusiform gyrus, whereas higher synaeste may haveCross-activation in the angular gyrus.
Projecting sensations to external objects: evidence from skin conductance response
These experiments demonstrate the malleability of body image and the brain's remarkable capacity for detecting statistical correlations in the sensory input.
EEG evidence for mirror neuron dysfunction in autism spectrum disorders.
Psychophysical investigations into the neural basis of synaesthesia
It is proposed that grapheme colour synaesthesia arises from 'cross–wiring' between the 'colour centre' (area V4 or V8) and the 'number area', both of which lie in the fusiform gyrus.
Perception of shape from shading
- V. Ramachandran
- 1 January 1988
This work finds that perception of shape from shading is a global operation which assumes that there is only one light source illuminating the entire visual image, and that if two identical objects are viewed simultaneously and illuminated from different angles, then the authors would be able to perceive three-dimensional shape accurately in only one of them at a time.
The science of art: A neurological theory of aesthetic experience
art may employ ‘supernormal’ stimuli to excite form areas in the brain more strongly than natural stimuli. Second, we suggest that grouping is a very basic principle. The different extrastriate…
Synaesthesia in phantom limbs induced with mirrors
- V. Ramachandran, D. Rogers-Ramachandran
- Medicine, PhysicsProceedings of the Royal Society of London…
- 22 April 1996
An inexpensive new device is introduced - a ‘virtual reality box’ - to resurrect the phantom visually to study the effects of visual input on phantom sensations, suggesting that there is a considerable amount of latent plasticity even in the adult human brain.
Individual Differences among Grapheme-Color Synesthetes: Brain-Behavior Correlations
The perception of phantom limbs. The D. O. Hebb lecture.
It is suggested that patients with phantom limbs provide a valuable opportunity not only for exploring neural plasticity in the adult human brain but also for understanding the relationship between the activity of sensory neurons and conscious experience.