Skip to main content

Table 2 MRS ratios of NAA/Cr, NAA/Cho and Cho/Cr for Group A and Group B at each Voxel of Interest (VOI) at Week 6 and Week 12.

From: Prolonged rote learning produces delayed memory facilitation and metabolic changes in the hippocampus of the ageing human brain

   NAA/Cr NAA/Cho Cho/Cr
  VOI Week6 Week12 Week6 Week12 Week6 Week12
Group A Right PFC 1.49
(1.41,1.6)
1.33,1.72
1.56
(1.44,1.63)
1.24,1.7
0.96
(0.83,1.08)
0.77,1.16
0.87
(0.8,0.93)
0.76,1.11
1.56
(1.39,1.74)
1.22,1.99
1.73
(1.47,1.92)
1.33,2.04
  Left PFC 1.64
(1.5, 1.71)
1.43,1.87
1.60
(1.43,1.71)
1.3,1.79
0.96
(0.92,1.04)
0.76,1.13
0.87
(0.84,1.04)
0.71,1.25
1.69
(1.55,1.91)
1.43,1.99
1.61
(1.46,1.94)
1.43,2.25
  Midline PFC 1.51
(1.46,1.58)
1.38,1.74
1.53
(1.4,1.57)
1.29,1.76
0.82
(0.77,0.95)
0.75,1.35
0.91
(0.73,1.00)
0.68,1.18
1.74
(1.61,1.93)
1.29,2.11
1.67
(1.51,2.04)
1.3,2.13
  Right Ant. Hipp. 1.66
(1.44,1.81)
1.22,2.03
1.56
(1.43,1.62)
1.19,1.84
1.04
(0.93,1.16)
0.87,1.22
1.04
(0.97,1.09)
0.88,1.12
1.69
(1.38,1.82)
1.0,2.04
1.48
(1.4,1.66)
1.29,1.82
  Left Ant. Hipp. 1.63
(1.46,1.7)
1.41,1.94
1.70
(1.54,1.8)
1.4,1.93
0.97
(0.92,1.11)
0.83,1.29
1.07
(1.0,1.16)
0.82,1.3
1.72
(1.47,1.79)
1.16,1.96
1.58
(1.46,1.64)
1.31,1.96
  Right Post Hipp. 1.73
(1.51,1.87)
1.46,2.4
1.87
(1.52,1.98)
1.39,2.1
1.02
(0.98,1.08)
0.89,1.43
0.96
(0.98,1.01)
0.84,1.22
1.66
(1.53,1.76)
1.3,2.07
1.76
(1.6,2.07)
1.5,2.36
  Left Post Hipp. 1.67
(1.64,1.78)
1.45,1.93
1.85
(1.68,2.04)
1.52,2.29
0.96
(0.78,0.99)
0.73,1.08
0.97
(0.84,1.16)
0.72,1.41
1.79
(1.73,1.99)
1.66,2.22
1.92
(1.6,2.08)
1.48,2.71
Group B Right PFC 1.53
(1.34,1.81)
1.10, 1.86
1.60
(1.44,1.7)
1.31,1.8
1.17
(0.86,1.36)
0.77,1.16
1.04
(0.88,1.17)
0.85,1.32
1.32
(1.22,1.7)
1.15,2.16
1.54
(1.35,1.83)
0.99,1.95
  Left PFC 1.55
(1.4, 1.68)
1.25,1.75
1.65
(1.49,1.77)
1.34,1.91
0.98
(0.92,1.04)
0.76,1.13
1.03
(0.95,1.09)
0.8,1.20
1.47
(1.4,1.73)
1.34,2.28
1.59
(1.43,1.79)
1.29,1.97
  Midline PFC 1.46
(1.36,1.6)
1.33,1.72
1.54
(1.24,1.81)
1.2, 1.92
0.96
(0.86,1.0)
0.65,1.12
0.98
(0.88,1.17)
0.83,1.44
1.48
(1.42,1.94)
1.37,2.14
1.44
(1.3,1.69)
1.04,2.06
  Right Ant. Hipp. 1.58
(1.48, 1.7)
1.39,1.92
1.67
(1.44,1.81)
1.37,1.94
0.98
(0.92,1.08)
0.87,1.23
1.03
(0.89,1.11)
0.74,1.36
1.60
(1.49,1.73)
1.36,1.88
1.72
(1.27,1.77)
1.25,1.89
  Left Ant. Hipp. 1.50
(1.39,1.62)
1.28,1.87
1.65
(1.43,1.75)
1.38,1.92
0.98
(0.88,1.08)
0.84,1.21
0.98
(0.93,1.11)
0.87,1.37
1.54
(1.31,1.72)
1.2,2.1
1.64
(1.31,1.84)
1.24,2.21
  Right Post Hipp. 1.57
(1.51,1.87)
1.21,2.15
1.59
(1.45,1.66)
1.18,1.69
0.92
(0.88,1.13)
0.71,1.26
0.91
(0.77,1.03)
0.75,1.13
1.69
(1.64,1.73)
1.54,1.87
1.65
(1.52,1.73)
1.49,1.73
  Left Post Hipp. 1.53
(1.5, 1.72)
1.22,1.83
1.49
(1.39,1.69)
1.17,1.92
0.90
(0.82,0.99)
0.74,1.14
0.92
(0.83,1.1)
0.77,1.19
1.68
(1.58,1.96)
1.41,2.07
1.61
(1.52,1.72)
1.48,1.73
  1. Key: Median values are reported in bold, with Lower and Upper Quartiles in parentheses and minimum/maximum values in italics.