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Table 1 Current and Ca2+ responses in the vehicle and AP bursting groups were equivalent.

From: A quantitative method to assess extrasynaptic NMDA receptor function in the protective effect of synaptic activity against neurotoxicity

   

vehicle

AP bursting

p value

Current

peak current

pA

607 ± 110

585 ± 82

0.83

 

peak current density

pA/pS

8.49 ± 1.08

9.41 ± 1.00

0.54

 

charge transfer

nC

31.67 ± 6.60

25.95 ± 4.77

0.49

 

Ï„ on

s

7.60 ± 1.14

8.21 ± 1.24

0.72

 

Ï„ off

s

19.64 ± 3.49

16.92 ± 2.76

0.54

 

left half width

s

31.79 ± 3.73

39.27 ± 3.47

0.16

 

right half width

s

78.72 ± 13.94

77.15 ± 10.73

0.93

Ca2+

peak Ca2+

nM

600 ± 133

540 ± 121

0.75

 

Ca2+ 10 min later

nM

270 ± 179

149 ± 51

0.46

 

Ca2+ AUC

nM.s

211 ± 79

152 ± 38

0.46

 

left half width

s

147 ± 101

105 ± 55

0.70

 

right half width

s

287 ± 150

159 ± 34

0.34

  1. Charge transfer and area under the curve (AUC) were calculated from the integral of the trace between the current response onset and return to baseline and between the Ca2+ response onset and a point 10 min later. Current data comes from 9 vehicle and 10 AP bursting neurons of which Ca2+ data was recorded in 5 vehicle and 6 AP bursting cells. All Ca2+ analysis was performed from a somatic region of interest.