Can Listening to Music Improve Attention and Language After Post-Stroke Aphasia?
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About
The goal of this clinical trial is to learn if a music-based intervention can acutely improve three types of attention (alerting, orientating, executive control) in people with aphasia following a stroke.
The main questions it aims to answer are:
- Is a music based intervention effective at improving attention with someone who has aphasia?
- Does music-induced changes in attention improve language abilities and quality of life with someone who has aphasia? Researchers will compare a group that listening to music, to listing to an audiobook group, to a group that serves as a control to see if there are changes in attention over time.
Participants will:
- Listen to music or an audiobook for 30 minutes a day for 8 weeks
- Complete a daily journal about each day's listening experience
- Complete three testing sessions where attention, language, and quality of life are assessed.
Full description
Participants: Participants will be 45 people with aphasia (PWA) who are a representative sample of the diversity of the Lafayette, Indiana area, and broader United States. We will recruit PWA from the PI's research registry, which includes ~60 PWA, Purdue's in-house Speech, Language, and Hearing clinics, local assisted living and rehabilitation hospitals, public community centers, and online. The PI has extensive experience recruiting from these sources and recently recruited 43 PWA for a similar study in one year. PWA will be included in the study if they are 18+ years of age, had a stroke at least 6 months prior to study enrollment, have normal or corrected to normal hearing and vision, no history of an attention disorder pre-stroke, and at least a mild aphasia on the Western Aphasia Battery Revised (WAB-R). Hearing acuity will be screened using pure tone audiometry at 500-4000 Hz. Vision will be assessed using self assessment Randomization to Study Arms: Participants will be randomly assigned to either the experimental arm, active control arm, or the no-contact control arm (n = 15 per arm). The study arms are adapted from a previous study in which acute stroke survivors listened to music, an audiobook, or no prescribed auditory material daily over an 8-week period. However, PWA are a distinct clinical population from acute stroke warranting a specific investigation into whether the MBI similarly impacts attention in PWA, and subsequently their language abilities and quality of life.
Experimental Arm: Receptive Music-Based Intervention In an initial one-hour meeting, a board-certified music therapist will work with each participant to assess their music preferences and curate two playlists using the Spotify Music app. One playlist will include highly energizing pieces. The second playlist will include relaxing pieces. The playlists will include music selected by the participant and music by the same or similar artists, instrumentation, or genres, and will be chosen in consultation with the music therapist. The lists will be of sufficient length to allow the selections to be shuffled for listening each day without repetition based on the previous day's listening.
In a second one-hour meeting, the music therapist will teach the participant listening techniques to help them attend closely to the music and observe its effects on their mind and body, including movements, associations, memories, images, breathing rate, and levels of relaxation or tension. The music therapist will also demonstrate how to enter these effects into their daily music listening journal, which will be completed after each listening session.
Participants will be instructed to maintain their usual activities each day, except we will ask them to select a time of day, a comfortable and distraction free environment, and an apparatus for regular music listening (earbuds, headphones, speakers). Participants will listen mindfully to randomized selections from the playlist that meets their needs that day (i.e., energizing or relaxing). Participants will listen to their music selections on shuffle for 30 minutes per day for 8 weeks using the strategies provided by the music therapist. The target listening duration is 30 minutes as it is a common target for time spent on task before taking a break. Participants will complete their daily journal entry immediately after music listening.
The music therapist will make a weekly telephone call to each participant in the experimental arm. The telephone call will last ~30 minutes. During this telephone call, the music therapist will update the music playlists for the following week based on participant feedback. The music therapist will also inquire about the participant's daily music listening journals and help them submit their listening logs.
Active Control Arm (Audiobook Listening):
The active control group will follow the same protocol as the experimental (MBI) group, but instead of music, participants will listen to an audiobook of their choice for 30 minutes daily over 8 weeks. A trained speech-language pathologist, rather than a music therapist, will curate the audiobook playlist, provide listening strategies, guide participants on how to complete the listening session and journal entries, and conduct the weekly 30-minute phone calls. By standardizing listening duration and therapist interactions across both groups, any attention changes unique to the experimental group can be attributed to the effects of music, rather than general auditory input or human interaction.
No-Contact Control Arm (No Music or Audiobook Listening):
The no-contact control arm is designed to demonstrate that any behavioral changes observed in the experimental (MBI) arm are due to the intervention itself, rather than spontaneous recovery processes. While PWA did not achieve full recovery through spontaneous processes, they may still experience improvements over time that occur independently of therapeutic interventions. As such, participants in the no-contact control arm will be instructed to maintain their usual activities without any additional listening tasks. They will also not engage in weekly interactions with a therapist. The use of a no-contact control arm allows us to determine whether any changes observed in the experimental arm exceed those that might naturally occur without participation in the intervention.
Assessment Protocol: All participants will complete assessments of attention, language, and quality of life, at three timepoints: pre-intervention (T1), post-intervention (T2), and at the 8-week maintenance follow-up (T3). Participants will also answer questions about lifestyle factors such as regular caffeine intake, sleep patterns, medications, musical preferences, listening habits, and exercise routines that may impact the outcomes. The following assessments will be administered.
Attention Network Test (ANT): Attention will be measured using the ANT, which is a cued-flanker task developed to simultaneously measure alerting, one's readiness to perceive information; orienting, the ability to shift attention in response to a stimulus' properties; and executive control, the ability to focus on relevant information while simultaneously inhibiting irrelevant or distracting information. The ANT takes 10 minutes to complete and will be administered using Gorilla Experiment Builder. The PI's lab has extensive experience administering the ANT to PWA.
Each trial begins with a fixation cross displayed for a jittered duration of 2400-3600 ms. After the fixation cross offset, a visual cue appears for 100 ms. Cue conditions include: (1) spatial orienting cue (a single asterisk above or below the fixation cross), (2) double alerting cue (asterisks both above and below the fixation cross), (3) neutral orienting cue (a single asterisk in the center), and (4) neutral alerting cue (the fixation cross remains, i.e., no cueing is provided). After the cue offset, the fixation cross reappears for 400 ms, followed by the flanker task, which consists of five arrows that appear above or below the fixation cross. Participants indicate the direction of the center arrow via button press. Congruent trials have flanking arrows pointing in the same direction as the center arrow; incongruent trials have them pointing in the opposite direction; in neutral trials, dashed lines flank the center arrow. Participants are instructed to respond quickly and accurately. Participants complete 156 randomized trials, equally representing all cue types and flanker conditions. Verbal and written instructions, stimulus examples, and 10 practice trials precede the start of the task.
Extended Barcelona Music Reward Questionnaire (BMRQ) assesses participants' sensitivity to musical reward in six domains: Musical Seeking, Emotion Evocation, Mood Regulation, Social Reward, Sensory-Motor, and Absorption. Participants rate their agreement with 24 statements (4 per domain) using a 5-point Likert scale.
Goldsmiths Music Sophistication Index (GoldMSI) evaluates participant's ability to engage with music in an effective and flexible manner across 6 domains: Active Musical Involvement, Perceptual Listening Skills, Musical Training, Singing Abilities, Emotional Responses to Music, and Overall Musical Sophistication. PWA rate their agreement with 31 statements on a 7-point Likert scale and answer 8 forced-choice questions.
Language Production skills will be measured via a 5-minute monologue where PWA will talk about a topic(s) of their choosing from a provided list. Each sample will be videotaped, orthographically transcribed using CLAN, and coded for semantic (Word Finding Behavior Analysis; WFBA68) and syntactic production abilities (Quantitative Production Analysis; QPA69). For semantics (WFBA), we will mark paraphasias, neologisms, vague language, time fillers, and delays to calculate the percentage of word finding errors in the sample (%TWFB); %TWFB is a composite score that will be entered into the analyses. For syntax (QPA), we will code the sample for omitted words and sentence complexity (active, passive, etc.) and extract the proportion of well-formed sentences and complex sentences produced, which will be summed to produce a composite score that can be entered into the analyses.
Language Comprehension will be assessed using a computerized sentence-picture matching task. An auditory sentence will be presented binaurally at 60 decibels using headphones. Participants will simultaneously see two pictures (one target, one foil) and determine which picture matches the sentence as quickly (reaction time) and accurately as possible via a keyboard button press. Participants will complete 60 trials: 30 trials have a simple subject-verb-object sentence structure, and 30 trials have a complex subject-object-verb sentence structure. Trial presentation is randomized per participant. Verbal and written instructions, examples of all stimuli, and 5 practice trials will precede the start of the task. The dependent variables from this task are accuracy (proportion of correct responses) and mean reaction time across all sentences.
Quality of Life in Neurological Disorders (Neuro-QOL): Participants will complete select subtests from the Neuro-QOL, including the communication, participation in social roles and activities, anxiety, depression, and cognitive function subtests. PWA rate their agreement with items on a 5-point Likert scale. There are 8-9 items per subtest. Subtest scores will be summed and entered into the analyses.
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Inclusion criteria
Adults at least 18 years of age Individuals who have had a stroke and are at least 6 month post stroke Individuals are able to answer 4 questions to determine ability to consent (What is your name, what is the day/date, where are you , and why are we having this conversation).
Have normal or corrected to normal hearing Have normal or corrected to normal vision Have no issues with color blindness Individuals who have at least mild aphasia on the Western Aphasia Battery Revised Speaks American English
Exclusion criteria
Individuals who meet the inclusion criteria, but are unwilling to travel to the ABC Lab at Purdue University for in person testing and do not have a laptop or desktop with a web camera that they could participate online with, will be excluded.
Individuals who have had a dementia diagnosis or attention disorder pre stroke will be excluded.
Trial design
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Interventional model
Masking
45 participants in 3 patient groups
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Central trial contact
Sandy A Snyder, BS; Emily L Bauman, MS
Data sourced from clinicaltrials.gov
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