Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges.

Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges. Research Abstract Details 

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Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges. Abstract Text:

Following parenteral administration of subconvulsive levels of pentylenetetrazol (Metrazol) photic stimulation induced an augmented rhythmic sequence of late neuron population burst-inhibition periods in the dorsal lateral geniculate nucleus (LGN) of the rat. This late bursting-inhibition activity was in turn observed to be associated with the augmentation of cortically recorded photically evoked after-discharges (PhADs). Multiple-unit activity (MUA) was also recorded from superior colliculus (SC), reticular formation (RF), posterior thalamic area (PTN), and dorsal hippocampus (HIPP). Only SC and RF exhibited an initial discharge to photic stimulation with late bursting infrequently observed and only in the SC. PTN showed some tonic increases in MUA following photic stimulation. HIPP MUA was essentially unaffected by photic pulse stimulation. The results document the neuronal role of the LGN in PhAD activity and were discussed in terms of a recurrent LGN inhibitory system governing cortical PhAD production and elaboration.

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Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Electroencephalography and clinical neurophysiolog

VOLUME: 39

Page Numbers: 491-7

Journal Abbreviation: Electroencephalogr Clin Neurop

ISSN: 0013-4694

DAY: 9

MONTH: Nov

YEAR: 1975

Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges. Information

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LANGUAGE: eng

NlmUniqueID: 375035

Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges. Keywords Mesh Terms:

KEYWORDS: Visual Cortex

MESH TERMS: drug effects

Chemical & Substance for Abstract: Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges. Information

Substance Name: Pentylenetetrazole

Registry Number: 54-95-5

Grant and Affiliation Information for Lateral geniculate multiple-unit activity related to metrazol potentiated after-discharges.

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Country: NETHERLANDS

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MEDLINETA: Electroencephalogr Clin Neurop

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