A New Aspect of the Functional Organization of Respiratory Neurons in the Brainstem with Respect to the Rhythmogenesis of Respiration: Different Stabilities of Reticular Respiratory Neurons in the Rabbit

Hukuhara, Takehiko; Goto, Kazutoshi; Takano, Kazuo; Kiguchi, Yuriko; Hattanmaru, Yoshihumi; Kimura, Naofumi

doi:10.1007/978-3-642-68657-3_24

Cited by 4 publications

(17 citation statements)

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“…The author would therefore like to propose a view that the neuronal network of the central respiratory mechanisms might be regarded as a complex neural organization consisting of several functional subsystems [22,35]. These subsystems are functional in nature and engage mainly the following functions operating in dynamic interactions with other subsystems to a greater or lesser degree.…”

Section: Multiplicity Of the Function Of The Central Respiratory Mmentioning

confidence: 99%

“…A variety of discharge patterns with respect to temporal distributions of unit spike incidence in relation to the phases of the respiratory cycle as determined by phrenic discharge has been described [4,13,35,37]. One major group of respiratory neurons consists of inspiratory, expiratory, and two phase-spanning (inspiratoryexpiratory and expiratory-inspiratory) neurons displaying periodic burst unit activity.…”

Section: A Discharge Patterns Of Respiratory Neuronsmentioning

confidence: 99%

“…Typical examples for each classification are described. 1) Anatomical location; respiratory neuron group in the brain stem reticular formation [9,13,14,19,25,27,31,32,35,37,40,53,58,60], dorsal respiratory group (DRG) [4,5,7,13,15,16,38,47], ventral respiratory group (VRG) [1,3,13,15,16,27,38,46,50], pontine respiratory group (PRG) [13,15,16,23,38,58,60].…”

Section: B Classification Of Respiratory Neuronsmentioning

confidence: 99%

“…Classification on the basis of three other variables, that is, temporal stability of neuronal discharge [22,31,35] as measured by auto-correlation coefficient in terms of pulse density of spike discharges, coefficient of variation of burst period (cf. VII), and spectral analysis of high frequency oscillation in the efferent phrenic nerve activity [39,57] has now been proposed.…”

Section: B Classification Of Respiratory Neuronsmentioning

confidence: 99%

“…Respiratory movements are continuously adjusted in response to physiological demands of the organism by neural [13,15,16,47,60] and chemical respiratory control mechanisms [54]. These dynamic regulatory processes are maintained involving the entire neuraxis [16,21,35], although the central respiratory mechanisms in the brain stem play a main role in the regulation of breathing [13,15;16, 24, 36]. …”

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confidence: 99%

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Organization of the brain stem neural mechanisms for generation of respiratory rhythm - Current problems.

Hukuhara

1988

Jpn.J.Physiol

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The motoneuronal populations controlling the respiratory motor apparatus are located from sites in the brain stem to lumbar segments of the spinal cord [48,60]. In production and maintenance of respiratory movements these motoneuronal pools are mainly regulated by specific integrative neural mechanisms, the so-called central respiratory mechanisms, under various conditions. Rhythmic control of the act of breathing is performed by a rhythmic nervous activity which originates in the lower brain stem [13,15,16,47,60]. Respiratory movements are continuously adjusted in response to physiological demands of the organism by neural [13,15,16,47,60] and chemical respiratory control mechanisms [54]. These dynamic regulatory processes are maintained involving the entire neuraxis [16,21,35], although the central respiratory mechanisms in the brain stem play a main role in the regulation of breathing [13,15;16, 24, 36].

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Section: Multiplicity Of the Function Of The Central Respiratory Mmentioning

confidence: 99%