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optogenetics

Deep Brain Optogenetic Control Without Implants
Deep Brain Optogenetic Control Without Implants
Ruth Williams | Apr 30, 2020
Engineering an ultra-sensitive light-activated ion channel into brain cells allows for the control of neurons in live animals without a brain-implanted light source.
Adult-Born Neurons Strengthen Memories While Mice Sleep
Adult-Born Neurons Strengthen Memories While Mice Sleep
Ruth Williams | Jun 4, 2020
The activation of young brain cells in adult mice is necessary not just for forming memories, but consolidating them during rapid eye movement sleep, a study shows.
How Manipulating Rodent Memories Can Elucidate Neurological Function
How Manipulating Rodent Memories Can Elucidate Neurological Function
Amber Dance | May 1, 2020
Strategies to make lab animals forget, remember, or experience false recollections probe how memory works, and may inspire treatments for neurological diseases.
Researchers Make Mice Smell Odors that Aren’t Really There
Researchers Make Mice Smell Odors that Aren’t Really There
Ruth Williams | Jun 18, 2020
Using optogenetics, scientists have simulated the sense of smell directly within the mouse brain to investigate the nature of olfactory perception.
How Mice Forget to Be Afraid
How Mice Forget to Be Afraid
Kerry Grens | May 1, 2020
The animals develop a new memory that overrides the fearful one by inhibiting the cells that encode the original memory.
Infographic: Optogenetics Without Genetic Engineering
Infographic: Optogenetics Without Genetic Engineering
Ruth Williams | Sep 1, 2019
DNA-loaded nanoparticles that respond to infrared light provide an alternative way to control cell behavior.
Researchers Implant Memories in Zebra Finch Brains
Researchers Implant Memories in Zebra Finch Brains
Abby Olena | Oct 3, 2019
Juvenile birds learn the length of the sounds in a song from a false memory introduced via optogenetics, instead of from real interactions with a tutor bird.
Light-Activated Nanodevices Control Cells
Light-Activated Nanodevices Control Cells
Ruth Williams | Sep 1, 2019
DNA-coated gold nanorods enable cells to be activated by light without genetic manipulation.
Memory in a Time of Quarantine
Memory in a Time of Quarantine
Bob Grant | May 1, 2020
How will humanity record the unprecedented predicament we find ourselves in?
Book Excerpt from <em>The Idea of the Brain</em>
Book Excerpt from The Idea of the Brain
Matthew Cobb | May 1, 2020
In Chapter 10, “Memory," author Matthew Cobb takes readers inside a couple of seminal moments in the scientific search for memory’s mechanics.

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