Kathryn Rodwell

132 Flips | 2 Magazines | 2 Followers | @KathrynRodwell | Keep up with Kathryn Rodwell on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Kathryn Rodwell”

Study of sleeping fur seals provides insight into the function of REM sleep

All land mammals and birds have two types of sleep: rapid eye movement (REM) and non-REM (also called slow-wave sleep). Earlier evidence had …

Age-old fears perk up baby’s ears

A snake’s hiss is creepy enough to give any kid a fright. And a fire’s crackling may signal danger lurks nearby. Children learn to heed such …

How the Blind Dream

Science & InnovationOnly Human<p>Most of my dreams are boring. I’m typically talking to someone I know, either on the phone or in person, in a familiar place. The conversations tend to include ideas that I’ve read about or experienced recently in my waking life. Some of my dreams don’t even have the …

Alcohol can rewire the teenage brain

Alcohol is a drug. And every day, more than 4,750 American kids aged 15 and younger take their first full drink of this drug. That’s according to the …

Binge Drinking

Why Staying Up Later Makes Us Tired: Fruit Fly Study

<i>Summary: Researchers report they have identified the neurons responsible for why delaying bedtime can create chronic daytime sleepiness.</i><p>Source: Johns …

How Smartphone Light Affects Your Brain And Body

There's something incredibly powerful about the blue lights that the designers of our smartphone, tablet, and laptop screens have been able to …

Caffeine-Drinking Teens Don’t Get Enough Sleep

Fueled by caffeine teens are up late at night, and they aren't just focusing on homework. Web surfing, text messaging and gaming are keeping them up …

Caffeine Withdrawal Headache Explained: Your Brain On -- And Off -- Caffeine

Using EEG, ultrasound to examine blood flow velocity and questionnaires, researchers found physiological evidence of the likely mechanism underlying …

Caffeine Has Greater Effect On Men, And Starts Only Ten Minutes After Consumption

Caffeine has a greater effect on men than women, and that these effects start just 10 minutes after it is drunk. In addition, contrary to what was …

Sleep Paralysis: Causes, Symptoms & Treatment

Sleep paralysis is the inability to move or speak immediately after waking up. This can be an exceptionally scary time for those afflicted with this …

Sleep paralysis: What is it, and how can you cope with it?

You wake up in the middle of the night, convinced that an evil figure is lying in wait. You attempt to move, but your body just will not budge. You …

Brain activity during divided and selective attention to auditory and visual sentence comprehension tasks

Introduction<p>Simultaneously performing several tasks is demanding and often leads to decrements in performance speed and accuracy (Pashler, 1994). …

Study links screen time to insomnia symptoms and depressive symptoms in adolescents: Regulating screen times may improve sleep health and reduce depression

Regulating screen times may improve sleep health and reduce depression<p>Preliminary results from a new study indicate that greater amounts of daily …

Teenage girls are more impacted by sleepiness than teen boys are: Sleep disturbances in girls associated with more difficulties staying awake in and out of school

Sleep disturbances in girls associated with more difficulties staying awake in and out of school<p>Preliminary results of a recent study show that teen …

How Dangerous Is Boxing For The Brain?

Boxing is possibly less dangerous for the brain than previously feared -- at least for amateurs. However, conclusive statements on the level of …

Acute and chronic changes in myelin following mild traumatic brain injury

Preliminary research using mcDESPOT magnetic resonance imaging shows changes in the myelin content of white matter in the brain following mild …

The Brain

Contact in sports may lead to differences in the brains of young, healthy athletes

People who play contact sports show changes to their brain structure and function, with sports that have greater risk of body contact showing greater …

Football: Concussions, years of play related to brain differences, especially in areas linked to memory

College football players with and without a history of concussions have less volume in the hippocampal region of the brain that relates to memory and …

Brain impact of youth football: Brain changes after one season of play

School-age football players with a history of concussion and high impact exposure undergo brain changes after one season of play, according to two …

Overtaxed Working Memory Knocks the Brain Out of Sync

Researchers find that when working memory gets overburdened, dialogue between three brain regions breaks down. The discovery provides new support for …

Running helps brain stave off effects of chronic stress: Exercise protects vital memory and learning functions

Exercise protects vital memory and learning functions<p>The study finds that running mitigates the negative impacts chronic stress has on the …

The Brain

Succeeding in school: Stress boosts performance for confident students, but holds back those with more anxiety

Knowing the right way to handle stress in the classroom can make the difference between success and failure for the millions of students going back …

Stress May Lead Students To Use Stimulants

The performance pressures from end-of-semester exams and papers can take a toll on students, even leading them to turn to potentially harmful …

How Social Anxiety And Bullying Make Depression More Likely

All sorts of things can trigger depression – genes, hormones, grief, certain diseases, and more. Inflammation has also been linked to the illness; …

Neuroscience

Experiment #1<br>For grades 3-12<p>Does what you see influence what you taste? Find out here. Get four different flavored sodas (fruity ones such as lemon, …

Sensory Science: Testing Taste Thresholds

<b>Key concepts</b><br>Taste<br>Perception<br>Senses<br>Food<br>The brain<p><b>Introduction</b><br>During the holidays we often find ourselves surrounded by a wide variety of taste …

How does the way food looks or its smell influence taste?

<b>Dana Small, a neuroscientist at the John B. Pierce Laboratory in New Haven, Conn., and the Yale School of Medicine, sniffs out an answer.</b><p>In a classic …

On the psychological impact of food colour

Under most everyday conditions (excepting perhaps the dine-in-the-dark restaurant; see [1]), consumers have the opportunity to inspect food and drink …

Savory Science: Jelly Bean Taste Test

<b>Key concepts</b><br>Taste<br>Olfaction<br>Gustation<br>The five senses<p><b>Introduction</b><br>Thanksgiving brings a feast of flavors. But when you imagine the mouthwatering meal—the …