Effects of Clear Speech on Listening Effort and Memory in Sentence Processing
Speech, Memory, Delayed, Sensorineural Hearing Loss
About this trial
This is an interventional basic science trial for Speech
Eligibility Criteria
Inclusion Criteria: Age 60-90 Right-handed Native English speaker Scores in the normal range (> or = 25 points) on Montreal Cognitive Assessment (MoCA) For adults with hearing loss, a pure-tone average score of > 25 dB HL (between 1 - 4kHz) Exclusion Criteria: Left-handed (language-related electrophysiological responses of left-handed subjects differ from those of right-handed subjects) History of psychiatric or neurological illnesses (including skull fractures, as this is known to alter electrophysiological response at the scalp) Score of < 25 points on the MOCA Use of certain prescription and non-prescription drugs known to alter brain function and the autonomic nervous system, including pupil dilation (e.g., anti-depressants, attention deficit hyperactivity disorder drugs) Any eye disease that would impair the ability to measure pupil dilation (e.g., cataracts, nystagmus, amblyopia) Scores on speech shadowing audibility control task below 50%, suggesting poor intelligibility A display of behavior that would significantly interfere with the validity of data collection or safety during the study;
Sites / Locations
- University of UtahRecruiting
Arms of the Study
Arm 1
Experimental
Speech Study
The study is a within-subjects 2 x 3 factorial design. All participants are exposed to all experimental conditions or "interventions"