Cited by 45Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionNeurotransmitter Receptor Influence on Behavior

Differential modulatory effects of norepinephrine on synaptically driven responses of layer V barrel field cortical neurons

Waterhouse, Barry D., Mouradian, Robert, Sessler, Francis M., Lin, Rick C.S.·2000·Brain Research

Abstract

The effects of norepinephrine (NE) and the alpha-1 agonist phenylephrine (PE) on synaptically evoked responses of electrophysiologically identified pyramidal neurons in layer V of rat somatosensory cortex were studied in brain slices using intracellular recording techniques. When added to the bathing medium NE (10 microM) tended to increase the synaptic responsiveness of regular spiking neurons and decrease the responsiveness of intrinsic burst neurons. NE had mixed effects on layer V cells which were characterized as intermediate types between regular spiking and intrinsic burst neurons. PE exerted a similar spectrum of actions on layer V cortical neurons. For both adrenergic agents the greatest facilitating effect was observed on responses to low intensity synaptic stimulation. These results suggest that NE exerts different modulatory actions on different electrophysiologically-defined classes of layer V sensory cortical neurons.

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Crossref · 10.1016/s0006-8993(00)02261-7

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  • Effects of noradrenaline on individual pyramidal neurons are heterogeneous.

    “However, similar to ACh, the effects of noradrenaline on individual pyramidal neurons are heterogeneous192,193.”

    From Mechanisms underlying gain modulation in the cortex (2020) · cites this paper as [193]

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Authors
Waterhouse, B. D., Mouradian, R., Sessler, F. M., & Lin, R. C. S.
Corresponding author
Waterhouse, Barry D.
Venue
Brain Research
Publisher
Elsevier BV
Published
2000-06
Volume
868
Issue
1
Pages
39-47
ISSN
0006-8993 (ISSN-L)
OpenAlex
W1983415281
Cited by
45
References
47
Citations by year
2022: 1 · 2021: 2 · 2020: 1 · 2018: 1 · 2017: 3 · 2016: 5 · 2015: 2 · 2013: 1 · 2012: 4
FWCI
0.77
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01 NS 32461, R01NS032461)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
norepinephrine, phenylephrine, alpha-1 adrenergic agonists, somatosensory cortex, pyramidal neurons, regular-spiking neurons, adrenergic modulation, synaptic facilitation, barrel cortex
MeSH terms
Action Potentials, Animals, Cells, Cultured, Electrophysiology, Evoked Potentials, Male, Neurons, Norepinephrine, Phenylephrine, Receptors, Adrenergic, alpha, Somatosensory Cortex, Stimulation, Chemical, Sympathomimetics, Synapses, Rats, Long-Evans, Rats

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