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Because minimally conscious state is a relatively new criterion for diagnosis, there are very few functional imaging studies of patients with this condition. Preliminary data has shown that overall cerebral metabolism is less than in those with conscious awareness (20–40% of normal [3]) and is slightly higher but comparable to those in vegetative states.
In a minimally conscious state, the patient has intermittent periods of awareness and wakefulness. The criteria for minimally conscious state, that patients are not in a vegetative state but are not able to communicate consistently. This means, that patients have to show limited but reproducible signs of awareness of themself or their environment.
3 years vegetative. 4 years minimally conscious 5 years able to move only eyes. 1999 South African: In 1999, he fully awakened. He recovered to the point that he was able to become a web designer, developer, and author. In 2011, he wrote a book called Ghost Boy, in which he describes his many years of being comatose. Annie Shapiro 1913–2003 ...
A vegetative state (VS) or post-coma unresponsiveness (PCU) [1] is a disorder of consciousness in which patients with severe brain damage are in a state of partial arousal rather than true awareness. After four weeks in a vegetative state, the patient is classified as being in a persistent vegetative state (PVS).
The five doctors examined Terri Schiavo's medical records, brain scans, the videos, and Terri herself. Cranford, Greer, and Bambakidis testified that Terri Schiavo was in a persistent vegetative state (PVS). Maxfield and Hammesfahr testified that she was in a minimally conscious state. As part of the court-ordered medical exam, six hours of ...
Given the absence of any accepted criterion of the minimal neuronal correlates necessary for consciousness, the distinction between a persistently vegetative patient who shows regular sleep-wave transitions and may be able to move or smile, and a minimally conscious patient who can communicate (on occasion) in a meaningful manner (for instance ...
Infections of the central nervous system may also be associated with decreased LOC; for example, an altered LOC is the most common symptom of encephalitis. [14] Neoplasms within the intracranial cavity can also affect consciousness, [12] as can epilepsy and post-seizure states. [9] A decreased LOC can also result from a combination of factors. [12]
Vegetative reproduction (also known as vegetative propagation, vegetative multiplication or cloning) is a form of asexual reproduction occurring in plants in which a new plant grows from a fragment or cutting of the parent plant or specialized reproductive structures, which are sometimes called vegetative propagules. [1] [2] [3]