Sentences with phrase «altered brain and nervous»

Not exact matches

A psychoactive drug or psychotropic substance is a chemical substance that acts primarily upon the central nervous system where it alters brain function, resulting in temporary changes in perception, mood, consciousness and behavior.

The great puzzle of memory's physical embodiment in the brain, Semon asserted, is that whereas an ordinary object reacts to a force only while that force acts upon it, the nervous system is somehow permanently altered and able to show a unique reaction to a long - ago stimulation years later.

At each of these three steps — extremities, spinal cord and brain — the pain information can be altered or even blocked before being relayed onward through the nervous system to the brain.

Sophisticated neuroimaging machines and brain - computer interfaces detect the electrical activity of neurons, enabling us to decode and even alter the nervous system signals that accompany mental processes.

In the course of this work, he has pioneered several new approaches in the fruit fly that have had important implications for mammalian neurobiology, including: the demonstration that the fruit fly has a sleep - like behavior similar to that of mammals, studies of physiological and behavioral consequences of mutations in a neurotransmitter system affecting one of the brain's principal chemical signals, studies making highly localized genetic alterations in the nervous system to alter behavior, and molecular identification of genes causing naturally occurring variation in behavior.

When the vertebral joints lose proper positioning and alignment, it leads to abnormal motion and movement, which affects how the brain communicates with the body and alters the firing pattern in the central nervous system.