brain

Lack of sleep encourages risky decisions due to an excess of optimism, according to a study by the Duke University Medical Center in Durham (United States) published in the latest issue of the journal 'Journal of Neuroscience'.

Researchers at the University of California have induced antisocial behavior in female mice of the species 'Peromyscus californicus'. In this way they could explain the physiological bases of human mood disorders such as depression and anxiety, more frequent in women than in men.

Swedish neuroscientists have shown that it is possible to make a person experience the sensation of having three arms at the same time. The researchers do not rule out that people in demanding jobs could benefit from an extra arm, such as firefighters in rescue operations.

Scientists from the AutoNOMOS innovation laboratories of the Freie University, in Berlin (Germany), have developed a technology called BrainDriver that allows you to drive a vehicle without moving your hands or feet, using only your thought.

Ten minutes of conversation with one or more people is enough to improve our memory and obtain better results in intelligence tests, according to a study by the University of Michigan.

If you are trying to make a date but your partner is reluctant, try using music. A French study published a few months ago in the journal 'Psychology of Music' reveals that love ballads predispose women to accept a date.

Young parrots, like children, experiment with both sides of their body before deciding whether to be left-handed or right-handed. This was recently demonstrated by an investigation from Macquarie University in Sydney (Australia), published in the journal 'Biology Letters'.

The human brain has shrunk in size in the last 30,000 years. Specifically, the latest measurements reveal that the average volume of the Homo sapiens brain has decreased by 10%, that is, from 1,500 to 1,359 cubic centimeters, the equivalent of a tennis ball.