PS365 Lecture 8: Disconnection Syndromes
Document Summary
Location that seems to preferentially have a lot of inputs coming to it: 3 regions of high activity, precuneus, posterior cingulate region, superior frontal cortex, these 3 regions are important in the default network. Hubs and connectivity in brain dysfunction: abnormal connectivity and hub region function have been proposed as a partial explanation for a range of neurological and psychiatric brain disorders, hub disconnection relevant to, traumatic brain injury (tbi, frontotemporal dementia. Callosal connectivity between somatosensory regions in musicians: 1-10% more fibers in somatosensory region for those who started musical trai(cid:374)i(cid:374)g (cid:862)late(cid:863) (compared to control, greater than 10% denser fibers in early trained compared to non-musicians. Seamless representation of the visual fields and continuity. This organization indicates that there is little overlap in the regions of space seen by each eye, and thus the visual input to the left hemisphere is independent of the visual input to the right hemisphere.
