Concussion — the word derives from the Latin concutere, meaning shake violently — is typically followed by dizziness, headache, nausea, lethargy, impaired vision or other disruptions in brain function.
Either way, brain injury produces an "utter quagmire" of specific disruptions in brain functioning that doctors have only blunt tools to fix, said Dr. Jonathan Fellus, director of the brain injury program at the Kessler Institute for Rehabilitation in West Orange, N.J.
In the present study, glutamine (the precursor of glutamate) was increased in the brain, whereas glutamate levels decreased, suggesting a conversion problem and possibly disruption and/or damage in brain function.
Despite the great importance of genes in brain function, Dr. Thompson said experience could also change the brain.
Disruption of astrocytic trafficking of metabolites and signalling molecules may alter interactions among astrocytes, neurons and endothelial cells and contribute to changes in brain function in diabetes.
Psychosis, schizophrenia and other serious mental illnesses involve a disruption in typical brain functioning, which translates into a very specific set of what can be considered disturbing behaviors.
In one in about seventy concussions, concussive convulsions occur, but seizures that take place during or immediately after concussion are not 'post-traumatic seizures', and, unlike post-traumatic seizures, are not predictive of post-traumatic epilepsy, which requires some form of structural brain damage, not just a momentary disruption in normal brain functioning.
These findings could be interpreted in light of the addiction-related disruption of brain function and the putative functional roles of the DMN.
The opposite state, that is, unconsciousness, is defined as: 'a state of unawareness (loss of consciousness) in which there is temporary or permanent disruption to brain function.
