Vowel Space Expansion Sensorimotor Adaptation

The purpose of this research study is to understand how the brain processes and controls speech in healthy people. The investigators are doing this research because it will help identify the mechanisms that allow people to perceive their own speech errors and to learn new speech sounds. 117 participants will be enrolled into this part of the study and can expect to be on study between 1 day (Experiment 1) and 4 weeks (Experiment 2).

Inclusion Criteria: * English-speaking adults * normal hearing and speech * no history of stroke or neurological conditions Exclusion Criteria: * Native language other than English * Any neurological disorders other than the disorder of interest * Any history of hearing disorders * Uncorrected vision problems that prevent participants from seeing visually-presented stimuli * Significant cognitive impairments that prevent participants from carrying out the task or from giving informed consent * Vulnerable populations (minors and prisoners)