Sample EPG patterns for several lingual consonants produced by Greek speakers are shown below. The data are from various published articles.
Research in spontaneous speech has focused on:
a) variability in lingual contact patterns using EPG
b) acoustic variability of vowels
Nicolaidis, K. (2001). An
electropalatographic study of Greek spontaneous speech.
Journal of the International Phonetic Association. (vol. 31). (no.
1). 67-85.
Nicolaidis, K. (2003). Acoustic
variability of vowels in Greek spontaneous speech. Proceedings
of the 15th International congress of Phonetic Sciences.
Barcelona. 3221-3224.