Table 2.
Peak activations for the Flanker [FiSc > FcSc], SRC [FcSi > FcSc], and double conflict (Flanker + SRC) [fisi > fcsc] contrasts, for younger and elderly participants.
Young | Old | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
x, | y, | z | t-value | Cluster-size | x, | y, | z | t-value | Cluster-size | |
FLANKER CONFLICT | ||||||||||
Cingulate gyrus | 6, | 4, | 29 | 4.24 | 12 | −2, | 16, | 40 | 4.29 | 97 |
Middle frontal gyrus | 34, | 4, | 61 | 3.95 | 10 | |||||
Precentral gyrus | 16, | −32, | 72 | 4.21 | 27 | |||||
Precuneus | 26, | −76, | 42 | 4.86 | 89 | |||||
−24, | −80, | 24 | 4.71 | 56 | ||||||
Middle occipital gyrus | −36, | −72 | −13 | 4.32 | 31 | −26, | −92, | 16 | 3.80 | 10 |
Caudate | −6, | 12, | 0 | 5.25 | 138 | |||||
−12, | 28, | 0 | 4.08 | 11 | ||||||
SRC | ||||||||||
Inferior frontal gyrus | −54, | 18, | 8 | 4.33 | 22 | |||||
Medial frontal gyrus | 10, | 36, | 32 | −4.11 | 9 | |||||
Inferior parietal lobule | −58, | −36, | 48 | 6.05 | 35 | |||||
Superior temporal gyrus | 48, | −38, | 18 | −4.291 | 12 | |||||
Parahippocampal gyrus | 18, | −48 | −11 | −4.45 | 14 | |||||
FLANKER CONFLICT + SRC | ||||||||||
Inferior frontal gyrus | 34, | 34, | −8 | 4.34 | 24 | −58, | 16, | 16 | 4.33 | 25 |
Middle frontal gyrus | 30, | 52, | −11 | 3.95 | 11 | 30, | 6, | 56 | 4.82 | 127 |
Middle frontal gyrus | 56, | 6, | 42 | 4.46 | 15 | 44, | 8, | 45 | 4.53 | 30 |
Superior frontal gyrus | −16, | 14, | 45 | 6.20 | 308 | |||||
Medial frontal gyrus | −2, | 14, | 48 | 3.86 | 16 | |||||
Medial frontal gyrus | 2, | −26, | 56 | 3.95 | 22 | |||||
Medial frontal gyrus | 2, | 50, | −16 | −4.84 | 112 | |||||
Anterior cingulate | 12, | 22, | −8 | 4.16 | 16 | |||||
Precuneus | 18, | −80, | 40 | 4.50 | 93 | |||||
Precuneus | −20, | −68, | 48 | 4.47 | 24 | |||||
Precuneus | −6, | −60, | 32 | −4.30 | 15 | |||||
Inferior parietal lobule | 66, | −30, | 37 | 4.11 | 27 | |||||
Post−central gyrus | 32, | −38, | 72 | 4.25 | 11 | |||||
Middle temporal gyrus | −44, | −2 | −37 | −4.56 | 15 | |||||
Fusiform gyrus | −18, | −90 | −19 | 3.96 | 10 | |||||
Middle occipital gyrus | 36, | −92 | −5 | 5.4885 | 67 | 30, | −88 | −3 | 5.23 | 260 |
Middle occipital gyrus | −36, | −74 | −16 | 4.30 | 15 | −30, | −96, | 16 | 4.18 | 44 |
Inferior occipital gyrus | −30, | −98 | −8 | 4.91 | 157 | |||||
Caudate | 6, | 12, | 8 | 4.13 | 23 |
All reported regions are significant at p < 0.001 (uncorrected) with a spatial extent threshold of k = 9. Abbreviations: BA, Brodmann area; x, y, z = MNI coordinates of peak activations.