1. Perception
1.1 Perception of lexical tones
There are four lexical tones in Mandarin. Tone 1 (ā) is high level, Tone 2 (á) low rising, Tone 3 (ǎ) mid-falling and rising, and Tone 4 (à) high falling. The major consensus of findings on Mandarin tone perception is that native tonal backgrounds help their speakers outperform those whose L1s are non-tonal, e.g., Cantonese speakers did much better than English speakers in discriminating Mandarin tone pairs (Y.-S. Lee et al. 1996). However, a tonal L1 seemed more …