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Table 1 MMN latencies and mean amplitudes in response to native and non-native phoneme contrasts at the ages of 6 and 12 months.

From: Atypical perceptual narrowing in prematurely born infants is associated with compromised language acquisition at 2 years of age

Condition and age

Latencies ms

Amplitudes μV

 

Premature Mean (SD)

Controls Mean (SD)

F

Df

P

Premature Mean (SD)

Controls Mean (SD)

F

Df

P

Native phoneme

          

6 months

227 (40)

194 (29)

5,602

1.22

.027

-1.039 (2.12)

-.571 (1.24)

0,277

1.22

.604

12 months

200 (16)

188 (41)

0,777

1.22

.387

-.498 (2.58)

-.819 (2.79)

0,124

1.22

.728

Non-native phoneme

          

6 months

216 (27)

197 (33)

2,216

1.22

.151

-.575 (2.15)

-.541 (1.24)

0,002

1.22

.962

12 months

198 (16)

199 (29)

0,020

1.22

.889

-1.061 (1.70)

+.323 (1.19)

5,453

1.22

.029

  1. Thevalues represent the corresponding means and standard deviations over six electrodes. The P-values represent the result of the ANOVA analyses, indicating the significance of the between- group differences over all the electrodes.
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BMC Neuroscience

ISSN: 1471-2202

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