44 results found

Search Results for: firing

Carnegie Mellon scientists investigate initial molecular mechanism that triggers neuronal firing

BOSTON-Carnegie Mellon University chemists have solved a decade-long molecular mystery that could eventually help scientists... Read More

The Case of the Noisy Neurons

PLoS Biol. 2004 September; 2(9): e314. This is an open-access article distributed under the terms of the Creative Commons... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Researchers develop neural prosthesis allowing a monkey to feed self using only its brain

SAN DIEGO, Oct. 26 – Researchers at the University of Pittsburgh have demonstrated that a monkey can feed itself with a... Read More

Inhibitory postsynaptic potential

Inhibitory postsynaptic potential is a type of postsynaptic potential where the binding of neurotransmitters with the... Read More

Excitatory postsynaptic potential

Definition noun A type of postsynaptic potential where the binding of neurotransmitters with the postsynaptic receptors... Read More


Definition noun (physiology) The discharge of an action potential by a neuron. (medicine) The old technique where fire or... Read More

Erotic Images Elicit Strong Response From Brain

A new study suggests the brain is quickly turned on and "tuned in" when a person views erotic images. Researchers at... Read More


Match 1. A person or thing equal or similar to another; one able to mate or cope with another; an equal; a mate. Government... Read More


Hammer 1. An instrument for driving nails, beating metals, and the like, consisting of a head, usually of steel or iron,... Read More


Gutter 1. A channel at the eaves of a roof for conveying away the rain; an eaves channel; an eaves trough. 2. A small... Read More


Foul 1. Covered with, or containing, extraneous matter which is injurious, noxious, offensive, or obstructive; filthy;... Read More


We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More


monk 1. A man who retires from the ordinary temporal concerns of the world, and devotes himself to religion; one of a... Read More

How Noise Protects Entire Marine Ecosystems

Noise is usually nothing more than a disturbance, but sometimes it can be useful. Researchers have discovered that noise... Read More


quiescence Quietness. In cells, the state of not dividing, in neurons, the state of not... Read More


Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More


Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting in behavior, physiology, or... Read More

Generator potential

Definition noun A graded response to a stimulus, or a graded depolarization induced in the terminal of a sensory receptor,... Read More


phasic --> adaptation 1. (Science: cell biology) The adjustment of an organism to its environment or the process by which... Read More

Hallucination – Are we the only ones “seeing” things or animals hallucinate, too?

Hallucination is defined as perceiving something that seems real but in fact, it is not. Some references take it as a... Read More


Gaba --> gamma aminobutyric acid (Science: biochemistry) An important amino acid which functions as the most prevalent... Read More

Whole Genome Sequencing Towards Individualized Cancer Care

By Vicki Mozo Have you heard of genetic medicine? Perhaps you might not be aware that there is a therapeutic... Read More


Discharge 1. To relieve of a charge, load, or burden; to empty of a load or cargo; to unburden; to unload; as, to discharge... Read More

Chronic Pain Harms The Brain

Comparison of brains. These images show the brain from the left side, demonstrating striking differences... Read More

Shooting A Painting Reveals Its Pigments

Dutch scientists have developed a new method for studying organic pigments in the paintings of old masters. Firing a laser... Read More

Catching The Wave: Researchers Measure Very Short Laser Pulses

Scientists have perfected a technique for very accurately measuring and controlling the electromagnetic waves within some... Read More

GM Breakthrough Could Help Dutch Elm Disease Fight

A team of scientists from the University of Abertay Dundee has grown the world's first genetically modified elm trees.... Read More

Capturing cell protein production in action could help fight antibiotic resistance

The fight against antibiotic resistance could be aided by new 3D images of the final steps involved in manufacturing... Read More

Dopamine, uncertainty and TD learning

Dopamine, uncertainty and TD learning Yael Niv1 ,2, Michael O Duff2 and Peter Dayan2 1Interdisciplinary Center for Neural... Read More

Diminishing Dinosaur Steps Saved By Laser And Laptop

Fading dinosaur tracks unearthed in a Spanish quarry have been digitally preserved by experts using the latest laser... Read More

Making Pavlov’s Cockroach

In an experiment that made him a household name, the Russian scientist Ivan Pavlov a century ago got dogs used to hearing a... Read More

Intracellularly Labeled Fusiform Cells in Dorsal Cochlear Nucleus of the Gerbil. I. Physiological Response Properties

Intracellularly Labeled Fusiform Cells in Dorsal Cochlear Nucleus of the Gerbil. I. Physiological Response Properties... Read More

Opportunities in Healthcare & Nursing – Online

Right now, more than 2 ½ million students are enrolled in online courses of every variety—from college degrees to... Read More

Scientists a step closer to understanding how anaesthetics work in the brain

An important clue to how anaesthetics work on the human body has been provided by the discovery of a molecular feature... Read More

Olfactory nerve cells expressing same receptor display a varied set of reactions

In a mouse model, University of Pennsylvania School of Medicine researchers discovered that olfactory sensory neurons... Read More

New discoveries about neuron plasticity linked to learning and memory

Neurons experience large-scale changes across their dendrites during learning, say neuroscientists at The University of... Read More

Supercomputer Explores Biochemical Landscape To Find Memory Switches

Switches are a part of daily life, from snoozing your alarm, turning on the coffee maker, firing up your car engine, and so... Read More

Study breaks ground in revealing how neurons generate movement

When the eye tracks a bird's flight across the sky, the visual experience is normally smooth, without interruption. But... Read More