Sensory illusion study provides new insight for
body representation brain disorders.»
Not exact matches
When the artificial finger and the right index finger were moved synchronously, subjects reported they were holding their own index finger: the
brain incorrectly incorporated the artificial finger into its internal
body representation.
The human
brain uses sensory signals to maintain and update internal
representation of the
body, to plan and generate movements and interact with the world.
The discovery provides new insight into clinical conditions where
body representation in the
brain is disrupted due to changes in the central or peripheral nervous systems e.g. stroke, schizophrenia and phantom limb syndrome following amputation.
Because of this curious arrangement, the
representation of the world external to the
body can come into the
brain only via the
body itself.
«This test can help hospital staff to objectively determine the extent to which the
body representation in the
brain has been altered,» he says.
But he can also see the findings gained with this test method helping to stimulate the
brain networks responsible for
body representation, thus keeping them active.
This impacts the anatomical reconstruction of the
body in the
brain, known as
body representation.
Penfield stimulated the
brain with electricity in patients undergoing epilepsy surgery, and used the results to draw a â $ œmotor homunculusâ $: a distorted
representation of the human
body within the
brain.
So, a cortical homunculus is a physical
representation of our
body within our
brain.