Neuroscience

Fish courtship pheromone uses the brain's smell pathway

Research at the RIKEN Brain Science Institute in Japan has revealed that a molecule involved in fish reproduction activates the brain via the nose. The pheromone is released by female zebrafish and sensed by smell receptors ...

Neuroscience

Total recall sounds great, but some things should be forgotten

Imagine never again forgetting where you parked your car, or that last item you had on your grocery list, or why you walked into this room anyway. If you trust media stories about research currently under way at Defense Advanced ...

Diseases, Conditions, Syndromes

Easing "phantom limb" pain

Amputees sometimes experience shooting pains or burning sensations in limbs that are no longer there. These sensations seem to originate in the spinal cord and brain, perhaps because neural pathways are receiving mixed signals ...

Neuroscience

To scratch an itch is a hairy problem

An insect lands on your arm, moving the tiny hairs on your skin just enough to make you want to scratch. Salk Institute researchers have uncovered evidence of a dedicated neural pathway that transmits the itchy feeling triggered ...

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