Abstract
The baroreceptor vagal reflex is an important part of the cardiovascular control system. It may be defined as the biological neural control system responsible for the short-term blood pressure regulation. A simplified scheme of the baroreceptor vagal reflex circuit is the following. Baroreceptors located in the great arteries provide the sensory information to second-order neurons located in the nucleus tractus solitarii (NTS) in the lower brainstem [5]. Via a network of intemeurons, the second-order neurons affect motor neurons which in turn control heart rate and total peripheral resistance and thus blood pressure [3]. The firstorder neurons (baroreceptors) encode each pressUre pulse with a frequencyadapting train of spikes [1]. One of the mysteries of the identiiied baroreflex related second-order neurons in NTS is that in spite of receiving direct monosynaptic inputs from the first-order neurons, they do not show any pulse-rhythmic activity that contains the frequency Component corresponding to cardiac frequency.
Keywords
- Total Peripheral Resistance
- Nucleus Tractus Solitarii
- Pressure Threshold
- Feedback Control Loop
- Cardiac Frequency
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© 1994 Springer-Verlag London Limited
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Schwaber, J.S., Rybak, I.A., Rogers, R.F. (1994). A Model of the Baroreceptor Reflex Neural Network. In: Marinaro, M., Morasso, P.G. (eds) ICANN ’94. ICANN 1994. Springer, London. https://doi.org/10.1007/978-1-4471-2097-1_24
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DOI: https://doi.org/10.1007/978-1-4471-2097-1_24
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