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Figure 4 | BMC Neuroscience

Figure 4

From: Increase in the extracellular glutamate level during seizures and electrical stimulation determined using a high temporal resolution technique

Figure 4

Representative experiment in which glutamate (Glu) was simultaneously measured with EEG in the second experimental group. The plot represents the temporal course for glutamate (Glu) levels in arbitrary fluorescence units (AFU) observed every five seconds throughout a representative experiment (n = 4), and the EEG recording in segments of 30 s during administration of low-potassium artificial cerebrospinal fluid (1), high-potassium artificial cerebrospinal fluid (HPCSF, 2 and 3 with interictal spikes), and 4-aminopyridine (4-AP; administered over 10 min through the microdialysis probe, 4–12; 25 mM).

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