Category archives: Physiology

Loneliness

Loneliness

HealthPhysiology

By José Ramón Alonso

Humans are naturally social. Yet, the modern way of life in developed countries is greatly reducing the quality and quantity of social relationships despite the use of modern technologies that provide an illusory richness of interpersonal contacts. Many people in industrialized nations live far from their relatives, delay getting married, and more and more people […]

Carbon nanotubes to study neuron activity

Carbon nanotubes to study neuron activity

BiomedicineMaterialsNeurobiologyPhysicsPhysiology

By Francisco R. Villatoro

Human brain has about 85 billion neurons. Each neuron forms thousands of chemical and electrical synapses with other neurons. To record the synaptic activity of each neuron in the brain an intracellular probe with a millivolt scale is required. Glass electrodes are widely used, but they are fragile and they have high impedance. An intracellular […]