Table 2.
Variables discussed regarding auditory MEG studies. Bold italicised items have been calculated by the current authors.
| Auditory MEG | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Measures |
Variables |
||||||||||
| Author | Date | Response rate | Response latency (ms) | Early | Late | Age effect (c) | Paradigm chosen | Delivery method | ISI: stimulus duration (d) | Number of stimuli | Duration (min) |
| Lengle et al. | 2001 | 54% | 100, 210 and 350 | No | No | Negative correlation | Simple | Tube | 1:25 | 600 | 13 |
| Zappasodi et al. | 2001 | 50% | 200–300. | No | No | Not addressed | Simple | Tube | 1:5 | 230 | 13 |
| Schneider et al. | 2001 | 51.56% | 56–294 (4 components) | Yes (a) | No | Not addressed | Simple | Tube |
800 (1:16) 1000(1:20) 1200 (1:24) |
500 | 8–9 |
| Schleussner et al. | 2001 | 56% | 30 (300) 40 (157) |
15 | 4 | Negative correlation | Simple | Tube |
800 (1:16) 1000(1:20) 1200 (1:24) |
500 | 8–9 |
| Eswaran et al. | 2002a | Sample (80%) recordings (50%) | 260.25 | No | No | Not addressed | Discrimination (b) | Tube/bag | 1:10 | 350 | 6 |
| Schleussner et al. | 2004 | (a) | 56–394 (5 components) | 10 | No | Negative correlation | Simple | Tube |
1000 (1:20) 800 (1:16) 1200 (1:24) |
500 | 8–9 |
| Schleussner and Schneider | 2004 | 77% | Range (56–394 ms) Mean (210–394). |
13 | No | Negative correlation | Simple | Tube | 1:20 | 500 | 8–9 |
| Huotilainen et al. | 2004 | Standard (41.18%); Deviant (70.59%) | Standard (230) MMN (332) | No | 5 | Not addressed | Discrimination | Tube/funnel | 1:8 | Not stated | (a) |
| Draganova et al. | 2005 | 60%. | Standard (260) MMN (321) LDN (458) |
No | 10 | Not addressed | Discrimination | Tube/bag |
800 (1:8) 500 (1:5) 1100 (1:1100) |
Approx. 700 | 10. |
| Eswaran et al. | 2005(1) | 62% | 264.6. | No | No | Not addressed | Tube/bag | 1:2 | 350 | 6 | |
| Holst et al. | 2005 | 83% | 27–31 (288) 32–35(251) 36–39 (197) |
No | 3 | Negative correlation | Discrimination (b). | Tube/balloon | 1:4 | 144 | 6 |
| Draganova et al. | 2007 | STD (56%) MMN (46%) Early (32%) LDN (32%) |
224 (STD) 427 (MMN) |
No | 31 | No | Discrimination | Tube/bag |
1:1 1:8 |
Approx. 600 | 12 |
| Sheridan et al. | 2010 | 75–90% | Long ISI (360.66 and 641.07) Short ISI (366.8) |
No | 17 | Trend | Discrimination | Tube/bag |
1:1 1:4 |
Short (721) long (735) | 11/14 |
| Muenssinger et al. | (2013) | Sample 1(56%) Sample 2 (80%) |
Not addressed | Not addressed | Not addressed | Not addressed | Discrimination | Tube/balloon |
1:4; 1:5 1:2; 1:5 |
700 | 12–17 |
| Schleger et al. | 2014 | 73.91% | Early (207) Late (427) |
(a) | Yes (a) | Negative correlation | Discrimination (number) | Tube/bag | 1:2 | Not stated | (a) |
(a) Number cannot be calculated.
(b) Discrimination design in attempt to avoid habituation but discussed only response to standard stimuli discussed.
(c) Negative correlation with age occurs when latency reduces throughout gestational age.
(d) Calculated from the inter-stimulus duration to stimulus duration ratio.