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. Author manuscript; available in PMC: 2013 Mar 10.
Published in final edited form as: Brain Res Bull. 2012 Jan 13;87(4-5):445–456. doi: 10.1016/j.brainresbull.2012.01.004

Table 3.

Tree diagram of the effects of acute and chronic MPD administration on NAc units.

EXPERIMENTAL DAY 1 (ED1) EXPERIMENTAL DAY 10 (ED10)
A: Increase in NAc activity on ED1 N: 26 ED 10 Baseline N=26 increase decrease no change
a. 17 c. 8 e. 1
Response IDNC I D NC I D NC
ED10 2.5mg/kg MPD b. 0 12 5 d. 7 0 1 f. 0 0 1
B: Decrease in NAc activity on ED1 N: 10 ED 10 Baseline N=10 increase decrease no change
g. 0 i. 6 k. 4
Response I D NC I D NC I D NC
ED10 2.5mg/kg MPD h. - - - j. 3 0 3 l. 1 0 3
C: No response in NAc activity on ED1 N: 31 ED 10 Baseline N=31 increase decrease no change
m. 15 o. 11 q. 5
Response I D NC I D NC I D NC
ED10 2.5mg/kg MPD n. 6 4 5 p.8 0 3 r.1 0 4

A. represents the summary of the effects of MPD on NAc neuronal unitswhich showed increased activity after MPD on ED1 and how those units responded on ED10. B. summarizes of the effects of MPD on NAc neuronal unitswhich showed decreased activity after MPD on ED1 and how those units responded on ED10. C. summarizes the effects of MPD on NAc neuronal unitswhich failed to significantly respond after MPD on ED1 and how those units responded on ED10. I represents increase, D represents decrease and NC represents no change.