Gambling Addiction
Gambling causes the same brain changes as addictive drugs.
Rhythmic Movement
A rhythmic, repeated movement takes less brain power than a single, discrete movement.
Exercise Addiction
Running can cause changes in the rodent brain that make it as addictive as cocaine.
Depression Circuit
People with a history of depression have an overactive brain circuit triggered by dips in serotonin.
Working Memory
Working memory can be improved with five weeks of intensive training.
Thinking & Counting
The Piraha tribe of Brazil's simple counting system shows that humans have to estimate numbers above four.
Asymmetry & Aggression
People who have asymmetrical features are more aggressive, a connection made in the womb.
Music and I.Q.
Music lessons increase children's I.Q. more than other types of lessons.
Time Flies
Time flies whenever you're doing something that requires your attention.
Storytelling and Math
Kids who are good at certain aspects of storytelling score better on math.
Personality Disorders
A survey shows that 15 percent of the population suffers from a personality disorder.
Thick and Thin Foods
Rats ate more and gained more weight when eating a thin, milk-like treat than when eating a thick, pudding-like treat.
Artificial Sweeteners
Eating artificial sweeteners causes rats to lose the cues for feeling full, leading to overeating.
Dog Seizure Alert
A survey of families whose dogs can anticipate seizures in their epileptic children .
P.O.W. Memory
People interrogated under high-stress conditions cannot reliably identify their attackers.
Attractiveness
Maternal grandmothers like their grandkids the best, paternal grandfathers the least; and a person's physical attractiveness depends on their other qualities.
Left Brain Immunity
Removing part of the left brain temporal lobe decreases number of immune cells.
Sleep Roundup
Frequent, small doses of caffeine are better than large doses, and smells cannot wake you up.
Brain Roundup
Observing dopamine levels in the brains of gamblers, and losing a job near retirement increases risk of stroke.
Subvocal Speech
Detecting the silent nerve signals used for speech to aid communication in noisy environments.
Thought-Controlled Robots
A robotic arm moves in response to human brain signals captured earlier.
Kid Psych Roundup
Violent images increase aggressive behavior in children, and antidepressant use is up among preschoolers.
Dogs and their Owners
People pick purebred dogs based on their traits, so dogs really do look like their owners.