Researchers uncover how to boost learning efficiency in neurofeedback


Researchers from the HSE Centre for Cognition & Decision Making and the (Institute of Problems of Mechanical Engineering, Russian Academy of Sciences conducted a series of experiments in which participants learned to increase through neurofeedback the amount of Alpha waves produced by their brains. The scientists wanted to find out which characteristics of the Alpha bursts participants actually learned to control through the training- the amplitude, the duration of the spindles or their frequency. The EEG analysis showed that it was the frequency of occurrence of Alpha and hence the frequency of inducing an alpha state that increased as a result of the neurofeedback training. This discovery may contribute to non-pharmacological methods for treating epilepsy, attention-deficit/hyperactivity disorder and depression. The research results were published in the journal Scientific Reports.

Original article: Alexei Ossadtchi et al, Neurofeedback learning modifies the incidence rate of alpha spindles, but not their duration and amplitude, Scientific Reports (2017). DOI: 10.1038/s41598-017-04012-0

Our Brains Synchronize During Conversation


The rhythms of brainwaves between two people taking part in a conversation begin to match each other. This is the conclusion of a study published in Scientific Reports, led by the Basque research centre BCBL.

According to scientists, this interbrain synchrony may be a key factor in understanding language and interpersonal communication.The team, led by Alejandro Pérez, Manuel Carreiras and Jon Andoni Duñabeitia, has confirmed by recording cerebral electrical activity- that the neuronal activity of two people involved in an act of communication “synchronise” in order to allow for a “connection” between both subjects.

“It involves interbrain communion that goes beyond language itself and may constitute a key factor in interpersonal relations and the understanding of language,” Jon Andoni Duñabeitia explains to SINC.

Source: FECYT  and
Image Source:  image is in the public domain.
Original Research: Full open access research for “Brain-to-brain entrainment: EEG interbrain synchronization while speaking and listening” by Alejandro Pérez, Manuel Carreiras & Jon Andoni Duñabeitia in Scientific Reports. Published online June 23 2017 doi:10.1038/s41598-017-04464-4

Psychology study finds adverse childhood experiences transfer from one generation to the next


Women who suffer four or more adverse childhood experiences before the age of 18 are more likely to face pregnancy and postpartum problems, which they may in turn pass on to their children in a “cascade of risk,” according to a new study in the Journal of Pediatrics. The study, led by the University of Calgary’s Sheri Madigan—Canada Research Chair in the Determinants of Child Development, a member of the Alberta Children’s Hospital Research Institute and an assistant professor in psychology—finds that women who report having experienced early childhood adversity are two times more likely to suffer pregnancy problems, such as gestational diabetes and hypertension. These mothers are also five times more likely to endure postnatal psychological challenges, such as postpartum depression and marital conflict. The adverse childhood experiences include such factors as having a parent with mental illness or an alcohol/drug problem, witnessing parental conflict and/or suffering from sexual, physical or emotional abuse. Negative outcomes for the children of mothers who have experienced childhood adversity can include poor physical health, as well as depression and anxiety later in life.

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Bright Brain Centre at the Mind Lab of the Mindful Living Show


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