bugs, neuroscience
Chimp Brains Don’t Shrink with Age
Tia Ghose | Jul 25, 2011
Unlike human brains, chimpanzee brains don’t get smaller as they age, suggesting that pronounced neurological decline is a uniquely human byproduct of our oversized brains and extreme longevity.
Learning Addiction
Cristina Luiggi | Jul 14, 2011
Eleanor Simpson, a neuroscientist at Columbia University Medical Center, discusses a recent Nature paper that probes dopamine's role in helping animals make positive associations to stimuli that herald pleasurable outcomes (such as the handing out of food).
Circadian Signs of Aging
Kerry Grens | Jul 13, 2011
The neural nexus of the circadian clock shows signs of functional decline as mice age, providing clues as to why sleep patterns tend to change as people grow older.
Cough Syrup Treats MS?
Bob Grant | Jul 11, 2011
Researchers find that an ingredient in common cough medicine improves multiple sclerosis symptoms in animal models.
Summer Science, British Style
Jef Akst and Richard P. Grant | Jul 8, 2011
The Royal Society's annual science extravaganza packs some interesting stuff into 5 days of love and research.
Air Pollution Stunts Cognition
Tia Ghose | Jul 6, 2011
Particulates in the air can cause impaired learning and depression in mice.
Brain Cells Self-Amplify
Jef Akst | Jul 5, 2011
A certain type of neural precursor does it all—replaces itself, differentiates into specialized brain cells, and multiplies into more stem-cell-like cells.
Pain-Free Love
Jef Akst | Jul 1, 2011
Love can buffer people from pain by invoking feelings of safety and reassurance.
The Birth of Optogenetics
Edward S. Boyden | Jul 1, 2011
An account of the path to realizing tools for controlling brain circuits with light.
OPSINS: Tools of the trade
OPSINS: Tools of the trade
Edward S. Boyden | Jul 1, 2011
The optogenetic toolset is composed of genetically encoded molecules that, when targeted to specific neurons in the brain, enable the electrical activity of those neurons to be driven or silenced by light.