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(10.1001/jamapsychiatry.2021.0015) Editor's Note: The article includes conflict of interest and funding and support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support. ### Media advisory: The full study is linked to this news release. Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https:/

 E-Mail Active or voluntary learning is a major topic in education, psychology, and neuroscience. Over the years, numerous studies have shown that when learning occurs through voluntary action, there is a modulation of attention, motivation and cognitive control that makes the process much more effective. Consequently, memory is benefited. However, although the physiological processes underlying this reality had been identified in the brain of mice, their existence in our species had not been corroborated. Now, an international group of researchers led by ICREA Research Professor Paul Versch...

 E-Mail IMAGE: In younger adults, hippocampal activity decreases and acitivty in other navigational areas increases. The pattern is not seen in older adults. view more  Credit: Diersch et al., JNeurosci 2021 Too much activity in the hippocampus may cause navigation impairments seen in aging adults, according to new research published in JNeurosci. Spatial navigation is one of the cognitive abilities that declines sharply in old age. Older adults often have difficulty navigating new environments and will choose to stick with familiar ones. Plus, key regions in the brain's navigation...

Obstructive sleep apnea is when breathing is repeatedly interrupted during sleep. Research has shown people with this sleep disorder have an increased risk of developing cognitive impairment and Alzheimer's disease. Yet, it is treatable. A preliminary study released today, February 28, 2021, has found that obstructive sleep apnea is common in people with cognitive impairment. The study will be presented at the American Academy of Neurology's 73rd Annual Meeting being held virtually April 17 to 22, 2021.

Machine learning-based training of brain activity has led to exciting developments: reduce fears, change one's preferences, or even increase one's confidence. Unfortunately, data to better understand the mechanisms of brain self-regulation remain scarce. A group of researchers from Japan, the US and Canada have joined forces to release the largest existing dataset of the sort.