Table 2 Multiple linear regression models to predict learning effects on the different components of action selection (SRT, CRT and NRT)

From: The role of inhibitory and excitatory neurometabolites in age-related differences in action selection

 

Predictor

β (SE)

p

SRT

 

Δ GABA SM1 (SRT-Rest)

-0.23

0.14

 

Δ GABA dlPFC (SRT-Rest)

-0.19

0.21

 

Δ Glx SM1 (SRT-Rest)

0.13

0.36

 

Δ Glx dlPFC (SRT-Rest)

-0.08

0.57

 

Δ GABA SM1 (SRT-Rest) X Age

0.26

0.11

 

Δ GABA dlPFC (SRT-Rest) X Age

0.15

0.33

 

Δ Glx SM1 (SRT-Rest) X Age

-0.24

0.11

 

Δ Glx dlPFC (SRT-Rest) X Age

-0.02

0.88

CRT

 

Δ GABA SM1 (CRT-Rest)

-0.12

0.43

 

Δ GABA dlPFC (CRT-Rest)

0.11

0.45

 

Δ Glx SM1 (CRT-Rest)

0.21

0.23

 

Δ Glx dlPFC (CRT-Rest)

0.08

0.59

 

Δ GABA SM1 (CRT-Rest) X Age

0.17

0.26

 

Δ GABA dlPFC (CRT-Rest) X Age

0.11

0.45

 

Δ Glx SM1 (CRT-Rest) X Age

0.23

0.16

 

Δ Glx dlPFC (CRT-Rest) X Age

0.29

0.06

NRT

 

Δ GABA SM1 (CRT-SRT)

-0.12

0.39

 

Δ GABA dlPFC (CRT-SRT)

0.32

0.02

 

Δ Glx SM1 (CRT-SRT)

-0.05

0.69

 

Δ Glx dlPFC (CRT-SRT)

0.27

0.04

 

Δ GABA SM1 (CRT-SRT) X Age

0.19

0.16

 

Δ GABA dlPFC (CRT-SRT) X Age

-0.07

0.61

 

Δ Glx SM1 (CRT-SRT) X Age

0.19

0.16

 

Δ Glx dlPFC (CRT-SRT) X Age

-0.21

0.14

  1. SM1: Sensorimotor cortex, dlPFC: dorsolateral prefrontal cortex.
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