Strong emotions plus non-REM sleep equals longer-lasting perceptual memories

Perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep, specifically during periods of deep non-REM sleep.
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RIKEN Research Winter Issue

It’s almost the end of the year and a here’s an early holiday present! The winter issue of RIKEN Research is here, covering plant parasites, depression, atomic clocks, and more! Enjoy!

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Consciousness, brain connections, and the claustrum

Research shows that the claustrum acts as a ‘consciousness conductor’ that synchronizes and connects areas within the mouse brain.
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A new and improved way to store hydrogen

A simple chemical reaction allows hydrogen-carrying ammonia to be stored and retrieved cheaply and easily.
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Robotic AI helps efficient growth of replacement organs

Humans team-up with a robotic AI to speed up experiments to find the best way to regrow damaged eye tissue from stem cells.
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Brainless memory makes the spinal cord smarter than previously thought

The spinal cord learns how to direct limb muscles to avoid aversive sensations and recalls the memories using separate neural circuitry. Oh, and without a brain!
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Organ regeneration in the lab

Interview with Takashi Tsuji, team leader of the Laboratory for Organ Regeneration at the RIKEN Center for Developmental Biology

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The brain’s GPS has a buddy system

In addition to encoding self location, brain cells in the rat hippocampus act like a GPS that encodes the location of other rats.

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Brain wave synchrony can predict memory age

The degree of neuronal synchrony between the anterior cingulate cortex and the hippocampus during recall is an indication of memory age (in mice).
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Gene linked to intellectual ability affects memory replay in mice

Scientists have discovered a gene in mice that allows memory replay at rest, a process necessary for forming long-lasting memories in mice.

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Root growth improved in soil contaminated with cesium

Overactivating the ABA signaling pathway in plants prevented cesium in soil from blocking root growth in plants.
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Crying baby? Science says walk, then sit

Recipe for success: Walk 5 min, sit 8 min, lay no-longer-crying baby down. Now you can relax.
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Diazoxide pills for Alzheimer’s disease?

Drug therapy with with diazoxide relieved symptoms of Alzheimer’s disease in the brains of mice and improved memory.
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Next stop: clinical hair regeneration

A new recipe for continuous cyclical hair regeneration in mice. This means that the hair will continue to fall out and regrow like normal hair.
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Why (mouse) mothers take risks to protect their infants

The calcitonin receptor and its ligand amylin act in the brain to motivate mouse mothers to protect their pups, even in risky/dangerous situations.
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Green hydrogen production for fuel cells and fertilizers

A new method of water electrolysis avoids rare metals, making hydrogen production green and sustainable.
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