Scientific News

How can the "first night effect" be explained?

We may be in the most peaceful room with the most comfortable bedding, but for some reason when we sleep in an unfamiliar place, our sleep is often less than optimal. This phenomenon, known as the “first night effect," is very common. Researchers at the Department of Cognitive Science, Linguistics, and Psychology at Brown University appear to have solved the mystery. What causes us to have fitful sleep during the first night in an unfamiliar environment?

Trouble falling asleep and micro-awakenings, a decrease in REM sleep: we’ve all experienced these characteristics of fragmented sleep the first time we sleep in a new vacation rental or at a friend’s house. Until the ...

Can music help young children speak?

The triple meter of that waltz may be beneficial to your baby. In any case, it’s one of the types of music that a team of researchers from the Institute for Learning and Brain Sciences at the University of Washington used in order to highlight the positive effects of early music education on speech development in young children. How can music help them acquire language? Let’s take a look at the research!

In their study, T. Christina Zhao and Patricia K. Kuhl wanted to determine whether music games could facilitate speech development in infants. 20 9-month old babies were taught to reproduce musical rhythms and were compared with 19 other babies of the same age who were ...

How did "The Voice" inspire a new unique method for learning neurology?

Wednesday, May 25, 2016. Charcot Amphitheater, Pitié-Salpêtrière Hospital, Paris. The candidates are waiting backstage, the jury is ready. It’s the final of a somewhat special competition, initiated by neurology professor Emmanuel Flamand-Roze: “We copied part of the scenario from the show “The Voice” and we applied it to learning neurology, particularly neurological semiology." Interviewed that very morning on Europe 1, he explained the premise behind of "The Move," his “reality medicine” contest.

The idea for "The Move” came from two observations. First, students are becoming increasingly weary of typical classroom arrangements (lectures in an amphitheater). ...

Drawing is memorizing!

Did you forget to buy the milk? But you wrote it on a post-it and stuck it on the fridge! If you had drawn a milk carton, maybe it would be sitting in the fridge right now… Indeed, according to a study carried out by Canadian researchers, drawing the thing we want to memorize is more effective than writing its name. Jeffrey D. Wammes, Melissa E. Meade, and Myra A. Fernandes demonstrated that drawn information is better memorized than written information. Why do we retain images better than words?

In order to compare memorization by drawing versus writing, the researchers from the University of Waterloo (Canada) implemented 7 protocols.

In experiments 1 and 2, ...

How did a quadriplegic man regain control of his hand?

Six years after a diving accident left him paralyzed from the shoulders down, Ian Burkhart, a young American man, can now perform complex movements with his right hand using a microchip implanted in his brain. In this study published in Nature, the researchers explain that he is now able to grasp objects and even stir his coffee. But how could this promising first success be possible?

Ian Burkhart was a 19 year-old student when he broke his neck diving in shallow water, leaving him quadriplegic. When Chad E. Bouton's team at the Feinstein Institute for medical research asked him to participate in a study aiming to restore his lost motor functions, Ian seized the opportunity. ...

What does the brain tell us about our generosity?

Our generosity may be motivated in two ways: we can give out of empathy (to someone who has deeply touched us, for example) or out of reciprocity (to someone who has done us a favor). A team of psychologists and neuroscientists led by Grit Hein and Ernst Fehr at the University of Zurich has managed to distinguish these two types of motivation for giving by using brain imaging. How are compassion and gratitude seen in the brain?

In psychology, motivation is considered to be independent from human behavior. These mental constructions cannot be directly observed. As a result, they are generally deduced from individual behavior. But different motives can lead to an identical ...

Could stimulating the senses help comatose patients recover?

Under the leadership of Dr. Karine Diserens, a unique facility has been created within the Centre Hospitalier Universitaire Vaudois (Switzerland): the Acute Neurorehabilitation Unit, which is dedicated to the stimulation of patients awakening from a coma. Since its inauguration in 2011, the center has used sensorineural therapy in its treatment. Indeed, certain coma patients can show signs of life when presented with water, smells and other elements. So how does the unconventional neurologist Karin Diserens and her team do it?

It was during the summer of 2014 that the Acute Neurorehabilitation Unit was given an opportunity to see its work in the limelight. It was at this ...

Are blonde jokes a thing of the past?

Blonde jokes may very well disappear after this study. As crazy and perhaps unnecessary as it may seem, this study demonstrates that blonde women aren’t any less intelligent than brunettes and redheads. The study carried out by Jay L. Jagorsky at the University of Ohio, developed in order to fight discrimination, has demonstrated that blondes may actually have higher IQs than others. Let’s take a closer look…

The research published in Economics Bulletin was initiated to address the problem of discrimination based on appearance and its significant economic consequences. Blonde women are often the victim of negative stereotypes (stupidity, naiveté, incompetence). These ...

Can the gift for math be found in the brain?

Are Albert Einstein, Alan Turing, Cédric Villani and other brilliant mathematicians’ brains different from ours? The answer appears to be no. The difference lies in how they use their brains. According to a recent study, math experts use particular areas of their brains that remain inactive in “novices." So how do the brains of great mathematicians work?

The origins of the human brain's capacity for mathematics are still being debated even today. Certain theories suggest that the basis lies in ancient brain circuits (initially involved in space and numbers); others hypothesize that it is related to language processing. In order to determine the origin of superior ...

Why kiss with your eyes closed?

We all know that sensory multitasking has its limits. For example, it’s tricky to focus on a visual task and an auditory task at the same time. The possibility of observing similar effects for touch has been largely unexplored by research until now. With this study, discover why kissing with your eyes closed is more pleasurable.

Sense of touch is sometimes considered to be more “primitive” than vision or hearing (tactile information is sensed directly, while visual and auditory stimuli involve an identification process), meaning that touch should be less prone to errors of inattention than the other senses.

Psychologists from Royal Holloway (University of ...

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