Tag: "consciousness" at biology news
Epilepsy: Signals 'brake' in brain impaired
... uncontrolled mass discharge of neurons is loss of consciousness
and spastic convulsions of the muscles, during which those affected can seriously injure themselves. Yet how this synchronised paroxysmic activity develops at the level of nerve cells is still largely a mystery. Nerve cells are interlinked via a lar...
Margaret Foti to be honored for significant contributions to cancer care
...logy Award for "outstanding work in raising public consciousness
in the support of cancer research, treatment, and prevention," the Ville de Paris Award for her contributions to the field of cancer, and several awards from the AACR for advancing progress against cancer. Previous recipients of the ASCO Special Reco...
'Dissecting sleep' by studying the strange phenomenon of cataplexy
...riment" to distinguish the neural basis of loss of consciousness
from that of skeletal muscle paralysis during sleep. In their studies, they have concentrated on the role of three kinds of neurons in the brain's hypothalamus -- the central controlling region for sleep and wakefulness. In their previous experiments...
VA/UCLA researchers pinpoint role of histamines in waking
...tion of activity in histamine cells causes loss of consciousness
during sleep, while cessation of activity in other... of the brain activity responsible for maintaining consciousness
and muscle tone while awake," said Dr. Jerome Siegel, senior author on the study. "The findings shou...
The brain's flashy tale
...s created to handle perception, thought, language, consciousness
and the other functions in the brain that make us uniquely human....
Flies offer clues to anesthesia-resistant memory
...hat for most animals -- not just humans -- loss of consciousness
from anesthesia causes amnesia for recently experienced events. In contrast, for reasons that are not well understood, older memories are resistant to the effects of anesthesia. With the help of model organisms such as Drosophila, different types of ...
Mind Science Foundation announces Rare Consciousness Research Awards
... were considered for this honor. Research in human consciousness
can produce findings that will impact how we educa...tion in the world awarding grants specifically for consciousness
research." Dr. Baars is a founding member of the Association for the Scientific Study of Consciousne...
Falling prey to machines
... of machine intelligence? Will computers ever gain consciousness
and take over the world? "Computer sentience is po...ent than synthesizing something as opened-ended as consciousness
or freewill. According to Holland, the problem with developing artificial intelligence through thing...
Is the roller coaster G force threat all spin?
... (or Gs). The biggest risk of high Gs is a loss of consciousness
as blood pools in the limbs and away from the brain. But these effects are from sustained Gs over an average of 43 seconds. High G maneuvers on roller coasters, however, rarely last more than three seconds. As the researchers point out, an average pe...
Eliminating battlefield transfusions
...th their own blood. All but one rat which regained consciousness
survived, the other 12 not surviving were those wh...l all their blood had been replaced. Each regained consciousness
and became active, and 4 of 6 survived at least one week. Conclusions Based on these findings, the ...
Stanford scientist seeks participants in NASA hypergravity study
...n and dizziness, among others. Loss of vision and consciousness
The experiment will begin with a pretest to deter...rces increase, subjects face of the risk of losing consciousness
because of a lack of blood flow to the brain. For that reason, even if there are no symptoms, the pr...
UT Southwestern space researchers pinpoint mechanism involved in loss of consciousness after space flight
...ed the mechanism responsible for the brief loss of consciousness
and lightheadedness that many astronauts experience in the upright posture after space flight. The findings have broad application to medicine, both in space and on earth. Two-thirds of astronauts experience orthostatic intolerance after space flight...
LLNL scientists to present global warming mitigation tool for ridding the atmosphere of excess carbon
...nd reproduction, reduce activity and cause loss of consciousness
and even death to deep ocean marine life because of a disruption of oxygen-transport mechanisms (Science, Vol. 294, p. 319-320). In addition, Caldeira, in previous studies, showed that unless carbon dioxide is converted to some other form before inje...
UC Davis expert identifies oak-tree killer and warns public to use caution
...d his findings today in an attempt to raise public consciousness
before the start of the rainy season, when the spores will be most abundant. "Preventing the movement of soil and wood will be critical to slowing the spread of the fungus to other oak woodlands, such as the Sierra Nevada," he said. "In particular, f...
'Fishboys' - the new cowboys of a world dependent on water...and ceramics.
... form, perhaps an immortal lifeform, with a common consciousness
that transcends living beings."...
Stargazer Gene Provides New Clues To Calcium Channel Defects In Absence Epilepsy
...n children and arecharacterized by brief lapses in consciousness
during which the person appearsto be staring into ...ly lastingfrom 1 to 7 minutes, and involve loss of consciousness
and motor control. Although the complex mechanisms of epilepsy are still a mystery, theseizu...
Gene Discovery Provides Insights Into Epilepsy
...d its seizures are characterized bybrief lapses in consciousness
during which a person appears to be staring intospace. Half of all forms of epilepsy are thought to have a genetic basis, whichis at present poorly understood. The discovery of the novel gene, reported in the August 1998 edition of thejournal Natur...
Understanding The Mystery Of Anesthesia
...nhoff notes, raising questions about the nature of consciousness
itself thatmight be illuminated by the studies. "Once we better understand howunconsciousness works, chances are we'll have new insight into how consciousnessworks." The University of Pennsylvania Medical Center's sponsored research and trainingranks...
Evidence For Genetic Effects On The Behavior Of Normal Two-Week Old Babies
... non-human stimuli. Theway the baby uses states of consciousness
to control his or her responsesreveals the baby's capacity to respond to his new environment. Astatistically significant association was observed of variants of thedopamine D4 receptor gene previously shown by some investigators to berelated to 'nove...