Search results
Results from the WOW.Com Content Network
The center runs two main academic programs: A five-year Ph.D. program in computational neuroscience open to students from many different disciplines established in 1992; and an undergraduate program offering a major track in brain sciences and a minor track in computational neuroscience established in 2021.
These act to detect the changes in pH of nearby cerebrospinal fluid (CSF) that are indicative of altered oxygen or carbon dioxide concentrations available to brain tissues. An increase in carbon dioxide causes tension of the arteries, often resulting from increased CO 2 output (hypercapnia), indirectly causes the blood to become more acidic ...
For example, they dilate in response to higher levels of carbon dioxide in the blood and constrict in response to lower levels of carbon dioxide. [15] For example, assuming a person with an arterial partial pressure of carbon dioxide of 40 mmHg (normal range of 38–42 mmHg) [16] and a CBF of 50 ml per 100g per min. If the PaCO2 dips to 30 mmHg ...
Hippocrates discussed "water" surrounding the brain when describing congenital hydrocephalus, and Galen referred to "excremental liquid" in the ventricles of the brain, which he believed was purged into the nose. But for some 16 intervening centuries of ongoing anatomical study, CSF remained unmentioned in the literature.
However, due to the important influences of arterial carbon dioxide levels, cerebral metabolic rate, neural activation, activity of the sympathetic nervous system, posture, as well as other physiological variables, cerebral autoregulation is often interpreted as encompassing the wider field of cerebral blood flow regulation.
The vasomotor center is a collection of integrating neurons in the medulla oblongata of the middle brain stem.The term "vasomotor center" is not truly accurate, since this function relies not on a single brain structure ("center") but rather represents a network of interacting neurons.
This study focused on delineating molecular mechanisms, role of miRNAs, and involvement of ZV E protein in ZV-induced microcephaly. The protein promotes premature but faulty formation of neurons, which affects normal properties of brain stem cells. This is the potential reason behind ZV-induced small head size in infants.
Robert Desimone is the current director of the McGovern Institute and the Doris and Don Berkey Professor in the Department of Brain and Cognitive Sciences. Prior to joining the McGovern Institute in 2004, he was director of the Intramural Research Program at the National Institute for Mental Health, the largest mental health research center in the world.