The Scientist - USA (2020-05)

noninvasively stimulating the brain with electricity can have a meaningful effect on cognition. Unlike the more powerful method ...

20 THE SCIENTIST | the-scientist.com COURTESY OF HUMM bers of the tACS group being able to recall six items, while the control g ...

around $5 a pop. According to McIntyre, 1,000 people have already paid between $40 and $500 for subscriptions of up to several m ...

22 THE SCIENTIST | the-scientist.com CHAO WANG NOTEBOOK But neurogenesis might not be the only way memories are removed from the ...

L inking air pollutant exposure to health outcomes—which can include impaired learning and memory as well as increased risk for ...

24 THE SCIENTIST | the-scientist.com MODIFIED FROM © ISTOCK.COM, RETROROCKET A mouse finds itself in a box it’s never seen befor ...

05.2020 | THE SCIENTIST 25 CREDIT LINECREDIT LINE ...

26 THE SCIENTIST | the-scientist.com past experiences. Scientists are also examining how memory forma- tion and retrieval change ...

05.2020 | THE SCIENTIST 27 RAMIREZ LAB, BOSTON UNIVERSITY allel technique can make a mouse forget. Christine Ann Denny, a neuros ...

28 THE SCIENTIST | the-scientist.com © LUCY CONKLIN  3 Later, scientists can use blue light to activate the trace neurons, caus ...

05.2020 | THE SCIENTIST 29 FALSE MEMORIES Last year, researchers used channelrhodopsin to implant a completely false memory in a ...

MODIFIED FROM © ISTOCK.COM, RETROROCKET Roberts says. Zhao’s brief pulse of light had set the bird’s song memory, implanting an ...

“It seemed to be a very effective way of reversing these depres- sion-related behaviors,” says Ramirez. In contrast, mice that e ...

CREDIT LINECREDIT LINECREDIT LINE ...

05.2020 | THE SCIENTIST 33 © ISTOCK.COM, LEBAZELE Rats and equations help researchers develop a theory of how the human brain ke ...

34 THE SCIENTIST | the-scientist.com gest that grid cells help the hippocampus generate place cells dur- ing memory formation. H ...

05.2020 | THE SCIENTIST 35 CREDIT LINE sory stimulus, for example), and then relax, one by one, creating a gradually decaying si ...

36 THE SCIENTIST | the-scientist.com the beginning of trials, and then that activity decayed as individual neurons relaxed at va ...

they learned the word pairs, the researchers found that the faster a per- son’s neural activity changed during the learning task ...

CREDIT LINECREDIT LINE© ISTOCK.COM, KTSIMAGE ...