Nothing I bet!!!
Would this be something this book might help understand?
The body has a mind of its own : how body maps in your brain help you do (almost) everything better / Sandra Blakeslee and Matthew Blakeslee
http://nro.sagepub.com/content/20/2/122?etoc
- 1Brain, Body and Self Laboratory, Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
- 2INSERM U1028, CNRS UMR5292, Lyon Neuroscience Research Centre, ImpAct Team, Lyon, France
- Claudio Brozzoli, Brain, Body and Self Laboratory, Department of Neuroscience, Karolinska Institutet, 17177 Stockholm, Sweden. Email: claudio.brozzoli@ki.se
Abstract
When interacting with objects and other
people, the brain needs to locate our limbs and the relevant visual
information surrounding
them. Studies on monkeys showed that information
from different sensory modalities converge at the single cell level
within
a set of interconnected multisensory frontoparietal
areas. It is largely accepted that this network allows for multisensory
processing of the space surrounding the body
(peripersonal space), whose function has been linked to the sensory
guidance
of appetitive and defensive movements, and
localization of the limbs in space. In the current review, we consider
multidisciplinary
findings about the processing of the space near the
hands in humans and offer a convergent view of its functions and
underlying
neural mechanisms. We will suggest that evolution
has provided the brain with a clever tool for representing visual
information
around the hand, which takes the hand itself as a
reference for the coding of surrounding visual space. We will contend
that
the hand-centered representation of space, known as
perihand space, is a multisensory-motor interface that allows
interaction
with the objects and other persons around us.
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