Correction: Precise excitation-inhibition balance controls gain and timing in the hippocampus
Main text
Bhatia A, Moza S, Bhalla US. 2019. Precise excitation-inhibition balance controls gain and timing in the hippocampus. eLife 8:e43415. doi: 10.7554/eLife.43415.
Published 25, April 2019
#1 Figure 2 supplement figures 1 and 2 were swapped.
The error arose due to an oversight when we compiled the manuscript. The legends are consistent with the references in text, but the figure panels had been swapped.
#2 and #3: We inadvertently mentioned the concentrations of 3 chemicals from an older protocol that we had used. High sucrose artificial cerebro-spinal fluid (hsaCSF) did not contain glucose, NaH2PO4 in aCSF was 1.25mM and we used Na4-EGTA in the internal solution (not EGTA). All other chemicals and concentrations remain unchanged. The revised concentrations from the current protocol are underlined in the corrected text below.
#2 Methods (Slice preparation)
Original text:
Slices (350 microns) were cut in ice-cold high sucrose ASCF containing (in mM): 87 NaCl, 2.5 KCl, 1.25 NaH2PO4, 25 NaHCO3, 75 sucrose, 10 glucose, 0.5 CaCl2, 7 MgCl2. Slices were stored in a holding chamber, in artificial cerebro-spinal fluid (aCSF) containing (in mM) - 124 NaCl, 2.7 KCl, 2 CaCl2, 1.3 MgCl2, 0.4 NaH2PO4, 26 NaHCO3, and 10 glucose, saturated with 95% O2/5% CO2.
Corrected text:
Slices (350 microns) were cut in ice-cold high sucrose artificial cerebro-spinal fluid (hsaCSF) containing (in mM): 87 NaCl, 2.5 KCl, 1.25 NaH2PO4, 25 NaHCO3, 75 sucrose, 0.5 CaCl2, 7 MgCl2. Slices were stored in a holding chamber, in artificial cerebro-spinal fluid (aCSF) containing (in mM) - 124 NaCl, 2.7 KCl, 2 CaCl2, 1.3 MgCl2, 1.25 NaH2PO4, 26 NaHCO3, and 10 glucose, saturated with 95% O2/5% CO2.
#3 Methods (Electrophysiology)
Original text:
Pipettes were filled with internal solution containing (in mM): 130 K-gluconate, 5 NaCl, 10 HEPES, 1 EGTA, 2 MgCl2, 2 Mg-ATP, 0.5 Na-GTP and 10 Phosphocreatinine, pH adjusted to 7.3, osmolarity ~285 mOsm.
Corrected text:
Pipettes were filled with internal solution containing (in mM): 130 K-gluconate, 5 NaCl, 10 HEPES, 1 Na4-EGTA, 2 MgCl2, 2 Mg-ATP, 0.5 Na-GTP and 10 Phosphocreatinine, pH adjusted to 7.3, osmolarity ~285 mOsm.
#4
Additionally, owing to a production error the equal contributions for first and second author Aanchal Bhatia and Sahil Moza was erroneously omitted from the published version.
The article has been corrected accordingly.
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© 2021, Bhatia et al.
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