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Smell Stimulates Early Visual Processing in Women But Not in Men

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Smells are undeniably powerful, able to transport us to different places and times in our memories. Think of how you feel when you smell cookies baking in the oven. But can they also change how we see things? New research shows that smells can enhance visual processing – but only in women, not men.

5 Things You Didn’t Know About EEG Studies

copyright: Lisa M.P. Munoz“Think of it as a weird massage…”

Journal articles can often feel impersonal to the readers. The participants are nameless subjects, the equipment and the meticulous lab set-up overshadowed by the findings.

But as I learned firsthand, such studies are anything but impersonal.

How Do Children Learn to Read? Structural Changes in the Brain

credit: http://en.wikipedia.org/wiki/File:Reading_aloud_LPB_Laos.jpg

Ka-Ka-Ka-r-r-r-et-et-et: Carrot. For parents helping their children learn to read, sounding out words like that is a daily occurrence. Letter-by-letter, syllable-by-syllable, kids make the sounds before thinking about the meaning of the words. As they become reading proficient, they can recognize the words without this painstaking process.

Exercise Adapts the Aging Brain for Cognitive Health

credit: http://commons.wikimedia.org/wiki/File:Evening_jogger_(4488221416).jpg

Scientists are still trying to figure out exactly why exercise promotes cognitive health, especially in older adults. Some researchers posit that physical activity helps maintain youthful brain structures, but a new study instead suggests exercise changes the way seniors’ brains process information – making the aging brain more adaptable. Understanding how this adaptation occurs can ultimately guide seniors as they work to maintain good mental health.

If the CIA Tweets, Cognitive Neuroscientists Can Too: Harnessing Twitter’s Power for Your Research

Twitter_CNSQ&A with Micah Allen

From the CIA to Ashton Kutcher to CNN, Twitter is the social medium du jour for rapidly communicating ideas. And the scientific community is no exception – a growing community of scientists and science communicators are using Twitter to share ideas and news. Just last month, Science Magazine came out with the “top 50 science stars of Twitter” (which sparked controversy, particularly with regard to gender diversity, and ultimately a revised list).

Using Disharmonic Melodies to Test OCD Symptoms

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We’ve all had moments when something just didn’t seem quite right – perhaps a slightly crooked photo hanging or a book that seems out of place on the shelf. For people with obsessive compulsive disorder (OCD), these feelings are more frequent and intense. In a new study, researchers have found a new way to test these symptoms. They found that patients with OCD-type symptoms reacted faster to disharmonic sounds than to harmonic ones.

Dissecting the Agony and the Ecstasy of Win-Win Choices

credit: Alessio Damato; http://en.wikipedia.org/wiki/File:Italian_ice_cream.jpg

Guest Post by Amitai Shenhav, Princeton University

Tonight, after dinner, I will go out for ice cream at one of my favorite spots in Princeton. I will salivate in anticipation of my visit, delighting in all of the options that await me. I will carry that excitement with me as I enter the shop and examine all of the flavors I have at my disposal. And then, even as I’m thinking all of these good thoughts, I will quite predictably bring on board another feeling: stress over which flavors I should choose.

Tourette’s Symptoms Increase When Patients Watch Themselves Tic

credit: http://commons.wikimedia.org/wiki/File:Mirror_baby.jpg

When we see children moving their bodies uncontrollably, we sometimes tell them to calm their bodies and thereby draw their attention to the unwanted behavior. But for people with Tourette’s syndrome, being more aware of their tics may actually exacerbate the actions. In a new study, researchers found that people with Tourette’s syndrome who watched themselves in the mirror actually had more tics than those who did not.

Your Brain Has Got Rhythm Even If You Don’t

credit: http://commons.wikimedia.org/wiki/File:Bo_Diddley_Prag_2005_02.jpg

Before writing this story, I had never heard the song “Pills” by Bo Diddly, but once I listened to it, I couldn’t help but snap my fingers. I needed a refresher course on beat and meter to figure out the rhythmic organization of the song, but as it turns out, my brain automatically knew the difference. New research suggests that while listening to music — whether Pills or a new U2 track — your brain is actively tracking the beat and how it is organized. Researchers found that while simple distractions can throw your brain off-track, your brain can still help you tap along to the basic beat.

Using Fruits and Veggies to Break Down How We Remember and Identify Objects

credit: http://commons.wikimedia.org/wiki/File:Fruit_and_vegetable_vendor_at_St._Jacobs_Farmers_Market,_2011_July_7.jpg

Guest Post by Marc Coutanche, Yale University 

From a young age, we learn the differences between a lemon and a lime and dozens of other fruit, making going to a farmer’s market to shop for fruit a seemingly simple task. But despite appearances, very little is simple about holding what you want in mind, and then identifying it in the world — whether that is a lime in the market or keys on a cluttered counter. It’s a testament to the evolution of the brain that it’s hard to even imagine object identification as anything other than effortless past childhood. But if you’ve known someone with Alzheimer’s disease, or certain other neurological disorders, its fallibility can become all too clear.