The brain ages, like all the rest of the corp. But, it’s a surprise, some areas are strengthened over time.
Recent research using advanced imaging techniques show that the cerebral cortex does not flock uniformly. The layers involved in the treatment of touch are better resistant to aging. This discovery questions the idea that the loss of volume brain always means a decrease functional.
The study focused on the primary somatosensory cortex, a key region for tactile perception. Participants, aged 21 to 80, suffered exams by high -resolution MRI. The results indicate that the middle and upper layers maintain their integrity.
Myelin, an insulating substance of neurons, plays a crucial role in this resilience. Its increased presence in some layers suggests compensatory mechanisms. These adaptations could explain why certain skills persist despite age.
The tactile and motor sensitivity tests have corroborated these observations. Individuals regularly practicing manual activities show less decline. This shows the importance of continuous commitment to preserve brain functions.
Additional experiences on mice confirmed these first observations. The increase in myelin seems to be linked to a specific neuronal proliferation.
This research offers an encouraging perspective on brain aging. Regular activity and stimulation environmental seem beneficial. Everyone can potentially influence their long -term neuronal health.
What is neuroplasticity and how does it work?
Neuroplasticity designates the capacity of the brain to reorganize and form new connections throughout life. This process allows neurons to adapt to experiences and learning.
Contrary to popular belief, this plasticity is not reserved for childhood. Studies show that even at an advanced age, the brain can create new circuits. This adaptability allows recovery after lesions.
Factors like physical and mental exercise stimulate neuroplasticity. Varied and enriching activities promote the production of neurotrophic factors. These molecules improve the survival and growth of neurons.
Why is myelin essential to brain functioning?
Myelin is a fatty sheath that surrounds the axons of neurons. It acts as an electric insulation, accelerating the transmission of nervous signals.
Without myelin, communication between nerve cells would be slow and ineffective. Diseases like multiple sclerosis show the consequences of its degradation. Symptoms include disorders motors and sensory.
The production of myelin, or myelinization, continues throughout life. Specialized cells called oligodendrocytes are responsible for it. Their activity can be influenced by the environment and behavior.
Recent research suggests that exercise and nutrition boost myelinization. This could explain why an active lifestyle protects the brain.
