Your musical talents could be determined by a fatty
substance in your brain: Myelin helps you learn new skills.
Published: 18:24 pm, 16 October 2014.
Source: Jonathan o’Callaghan for mailonline.
Science field: Medical science.
Summary:
Scientists
have discovered that an electrically insulating substance known as myelin is
essential to our brains learning new skills. They claim that when a skill, such
as playing the piano, is learned later in life, myelin must be made in order to
retain the skill. However, researchers claim that once a new skill has been
learnt, it is retained even after myelin production stops.
Glossary:
-
Myelin: a
white tissue forming an insulating sheath (myelin sheath) around certain nerve
fibres. Damage to the myelin sheath causes neurological disease, as in multiple
sclerosis.
-
Cell: the
most basic unit of structure of an organism.
-
Cognition:
the mental act of learning; understanding; perception.
-
Spinal
cord: the thick cord of nerve tissue within the spinal canal, which in man
gives rise to 31 pairs of spinal nerves, and together with the brain forms the
central nervous system.
-
Axon: the
long threadlike extension of a nerve cell that conducts nerve impulses from the
cell body.
Review:
Our brain
is a very complex organ that serves as the centre of the nervous system in all vertebrate
and most invertebrate animals. The brain exerts control over our body and is
responsible of our reflexes. The brain is formed by thousands of neurons that
are connected to axons, in this way it can carry out trains of signal pulses.
This discovery of myelin helps us to understand how we remember mechanical
movements, like for example the riding of a bicycle. Whenever we learn how to ride a bicycle,
later after some years, even if we didn’t ride it again we didn’t forget how to
ride it. Perhaps we notice some difficulties in the beginning but after some
minutes of adaption, it looks like those years haven’t passed. This article
explains us that scientist have discovered the source of how we don’t forget an
action or mechanical movement. Myelin is the cause of this actions. When we
learn a new skill our brains receives this new information and it retains it by
synthetizing myelin. This substance is locked in our brain, connects different
parts of the brain, even when its productions stops we still retain the
information of the skill.
Knowing
the characteristics of this substance scientist could synthetize it to create a
medicine for people who have difficulties of learning or keep the information
of a new skill. People with problems of coordination of its body could make use
of this medicine, helping them to remember or recall the different movements
that are basic in our lifestyle. It is still a long way because it is in a face
of experiments to prove that the myelin really takes its place in this
“retaining skill” activity.
Are these skills you mentioned only related to movement and coordination? Or has it been proven that memory skills are also improved by the production of myelin?
ResponderEliminarHave you researched about the diseases some people suffer because of the degradation of myelin? There was a very interesting case, over 30 years ago, about Lorenzo and whose parents (despite not being scientists) researched for years until they found a cure for their son. Nowadays, thousands of children lead a normal life thanks to their discovery.