Table III.
ANOVAs on 8 a priori ROIs
| Effect | F‐values | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| ROI | df | SMA | INS | PRECUN | mCING | pCING | HIP | AMYG | sOCC |
| Time period 1: 143–261 ms | |||||||||
| EX | 1, 24 | 7.6* | 5.9* | 6.6* | 7.7** | 7.4* | 3.4 | 3.8 | 7.0* |
| CO | 1, 24 | <1 | <1 | 1.2 | <1 | <1 | <1 | <1 | 2.6 |
| CO × EX | 1, 24 | 7.0* | 1.9 | 7.3* | 8.5** | 13.8*** | 1.3 | <1 | 2.6 |
| HP | 1, 24 | 3.7 | 12.3** | 12.0** | 25.2**** | 10.4** | <1 | 1.0 | 12.3** |
| HP × EX | 1, 24 | <1 | 6.1* | 5.0* | <1 | 1.6 | 3.6 | 7.0* | 7.4* |
| CO × HP | 1, 24 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | 1.8 |
| CO × HP × EX | 1, 24 | 5.0* | <1 | <1 | 5.2* | <1 | <1 | <1 | <1 |
| Time period 2: 270–361 ms | |||||||||
| EX | 1, 24 | 3.8 | 0.6 | 2.1 | 3.1 | 2.5 | 4.0 | 2.9 | 3.0 |
| CO | 1, 24 | 3.9 | 4.8* | <1 | 2.1 | 1.5 | <1 | 1.6 | <1 |
| CO × EX | 1, 24 | 6.4* | <1 | 1.5 | <1 | <1 | <1 | <1 | <1 |
| HP | 1, 24 | 0.4 | 3.8 | 22.3**** | 1.3 | <1 | <1 | <1 | 4.1 |
| HP × EX | 1, 24 | 5.5* | <1 | <1 | <1 | <1 | <1 | <1 | <1 |
| CO × HP | 1, 24 | 2.0 | <1 | <1 | <1 | <1 | 1.1 | <1 | 1.1 |
| CO × HP × EX | 1, 24 | 0.1 | 2.8 | <1 | <1 | <1 | 4.3* | 7.7* | <1 |
| Time period 3: 395–457 ms | |||||||||
| EX | 1, 24 | 4.0 | <1 | 2.9 | 2.5 | 2.4 | <1 | <1 | 6.3* |
| CO | 1, 24 | <1 | 1.0 | 4.1 | <1 | 1.4 | <1 | <1 | 3.1 |
| CO × EX | 1, 24 | <1 | <1 | 2.7 | <1 | <1 | 1.7 | 1.2 | 7.0* |
| HP | 1, 24 | 1.4 | 13.0** | 19.6*** | <1 | <1 | <1 | 3.6 | 7.7* |
| HP × EX | 1, 24 | <1 | <1 | <1 | 2.3 | 1.6 | <1 | <1 | <1 |
| CO × HP | 1, 24 | 1.2 | <1 | <1 | 1.5 | <1 | 1.6 | <1 | <1 |
| CO × HP × EX | 1, 24 | <1 | 1.8 | 1.7 | <1 | <1 | <1 | <1 | <1 |
| Time period 4: 469–610 ms | |||||||||
| EX | 1,24 | 3.1 | <1 | 3.1 | 5.8* | 7.6* | 1.9 | 1.7 | 2.3 |
| CO | 1,24 | <1 | <1 | 2.3 | 2.6 | 3.1 | <1 | <1 | 2.7 |
| CO × EX | 1,24 | <1 | <1 | 4.2* | 1.6 | 3.4 | <1 | <1 | 1.3 |
| HP | 1,24 | 2.3 | 7.9** | 13.5** | 5.8* | <1 | 2.0 | 2.1 | 21.8**** |
| HP × EX | 1,24 | <1 | <1 | <1 | <1 | <1 | <1 | 2.5 | <1 |
| CO × HP | 1,24 | <1 | <1 | <1 | <1 | 6.6* | 2.9 | <1 | <1 |
| CO × HP × EX | 1,24 | <1 | 7.0* | 3.4 | <1 | 6.6* | 3.3 | 6.5* | 3.1 |
*P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001.
SMA, supplementary motor area; INS, insula; PRECUN, precuneus; mCING, middle cingulate cortex; pCING, posterior cingulate cortex; HIP, hippocampus; AMYG, amygdala; sOCC, superior occipital cortex.
F values and significance levels for ANOVAs on 8 ROIs, based on a priori hypotheses, for effects of Expertise (EX), Condition (CO), and Hemisphere (HP), within 4 time periods deriving from the spatiotemporal ERP analyses.