Hearing Aids for Mild-to-Moderate Hearing Loss in Adults

A recent systematic review concluded that hearing aid use in older adults with a mild-to-moderate hearing loss was beneficial in improving everyday situations, general health-related quality of life and improve listening ability with little evidence of harm.

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Concurrent validity of an automated algorithm for computing the center of pressure excursion index (CPEI)

Publication date: January 2018
Source:Gait & Posture, Volume 59
Author(s): Michelle A. Diaz, Mandi W. Gibbons, Jinsup Song, Howard J. Hillstrom, Kersti H. Choe, Maria R. Pasquale
Center of Pressure Excursion Index (CPEI), a parameter computed from the distribution of plantar pressures during stance phase of barefoot walking, has been used to assess dynamic foot function. The original custom program developed to calculate CPEI required the oversight of a user who could manually correct for certain exceptions to the computational rules. A new fully automatic program has been developed to calculate CPEI with an algorithm that accounts for these exceptions. The purpose of this paper is to compare resulting CPEI values computed by these two programs on plantar pressure data from both asymptomatic and pathologic subjects. If comparable, the new program offers significant benefits—reduced potential for variability due to rater discretion and faster CPEI calculation. CPEI values were calculated from barefoot plantar pressure distributions during comfortable paced walking on 61 healthy asymptomatic adults, 19 diabetic adults with moderate hallux valgus, and 13 adults with mild hallux valgus. Right foot data for each subject was analyzed with linear regression and a Bland-Altman plot. The automated algorithm yielded CPEI values that were linearly related to the original program (R²=0.99; P<0.001). Bland-Altman analysis demonstrated a difference of 0.55% between CPEI computation methods. Results of this analysis suggest that the new automated algorithm may be used to calculate CPEI on both healthy and pathologic feet.



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A “HOLTER” for Parkinson’s disease: Validation of the ability to detect on-off states using the REMPARK system

Publication date: January 2018
Source:Gait & Posture, Volume 59
Author(s): Àngels Bayés, Albert Samá, Anna Prats, Carlos Pérez-López, Maricruz Crespo-Maraver, Juan Manuel Moreno, Sheila Alcaine, Alejandro Rodriguez-Molinero, Berta Mestre, Paola Quispe, Ana Correia de Barros, Rui Castro, Alberto Costa, Roberta Annicchiarico, Patrick Browne, Tim Counihan, Hadas Lewy, Gabriel Vainstein, Leo R. Quinlan, Dean Sweeney, Gearóid ÓLaighin, Jordi Rovira, Daniel Rodrigue z-Martin, Joan Cabestany
The treatment of Parkinson's disease (PD) with levodopa is very effective. However, over time, motor complications (MCs) appear, restricting the patient from leading a normal life. One of the most disabling MCs is ON-OFF fluctuations. Gathering accurate information about the clinical status of the patient is essential for planning treatment and assessing its effect. Systems such as the REMPARK system, capable of accurately and reliably monitoring ON-OFF fluctuations, are of great interest.ObjectiveTo analyze the ability of the REMPARK System to detect ON-OFF fluctuations.MethodsForty-one patients with moderate to severe idiopathic PD were recruited according to the UK Parkinson’s Disease Society Brain Bank criteria. Patients with motor fluctuations, freezing of gait and/or dyskinesia and who were able to walk unassisted in the OFF phase, were included in the study. Patients wore the REMPARK System for 3days and completed a diary of their motor state once every hour.ResultsThe record obtained by the REMPARK System, compared with patient-completed diaries, demonstrated 97% sensitivity in detecting OFF states and 88% specificity (i.e., accuracy in detecting ON states).ConclusionThe REMPARK System detects an accurate evaluation of ON-OFF fluctuations in PD; this technology paves the way for an optimisation of the symptomatic control of PD motor symptoms as well as an accurate assessment of medication efficacy.



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Concurrent validity of an automated algorithm for computing the center of pressure excursion index (CPEI)

Publication date: January 2018
Source:Gait & Posture, Volume 59
Author(s): Michelle A. Diaz, Mandi W. Gibbons, Jinsup Song, Howard J. Hillstrom, Kersti H. Choe, Maria R. Pasquale
Center of Pressure Excursion Index (CPEI), a parameter computed from the distribution of plantar pressures during stance phase of barefoot walking, has been used to assess dynamic foot function. The original custom program developed to calculate CPEI required the oversight of a user who could manually correct for certain exceptions to the computational rules. A new fully automatic program has been developed to calculate CPEI with an algorithm that accounts for these exceptions. The purpose of this paper is to compare resulting CPEI values computed by these two programs on plantar pressure data from both asymptomatic and pathologic subjects. If comparable, the new program offers significant benefits—reduced potential for variability due to rater discretion and faster CPEI calculation. CPEI values were calculated from barefoot plantar pressure distributions during comfortable paced walking on 61 healthy asymptomatic adults, 19 diabetic adults with moderate hallux valgus, and 13 adults with mild hallux valgus. Right foot data for each subject was analyzed with linear regression and a Bland-Altman plot. The automated algorithm yielded CPEI values that were linearly related to the original program (R²=0.99; P<0.001). Bland-Altman analysis demonstrated a difference of 0.55% between CPEI computation methods. Results of this analysis suggest that the new automated algorithm may be used to calculate CPEI on both healthy and pathologic feet.



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A “HOLTER” for Parkinson’s disease: Validation of the ability to detect on-off states using the REMPARK system

Publication date: January 2018
Source:Gait & Posture, Volume 59
Author(s): Àngels Bayés, Albert Samá, Anna Prats, Carlos Pérez-López, Maricruz Crespo-Maraver, Juan Manuel Moreno, Sheila Alcaine, Alejandro Rodriguez-Molinero, Berta Mestre, Paola Quispe, Ana Correia de Barros, Rui Castro, Alberto Costa, Roberta Annicchiarico, Patrick Browne, Tim Counihan, Hadas Lewy, Gabriel Vainstein, Leo R. Quinlan, Dean Sweeney, Gearóid ÓLaighin, Jordi Rovira, Daniel Rodrigue z-Martin, Joan Cabestany
The treatment of Parkinson's disease (PD) with levodopa is very effective. However, over time, motor complications (MCs) appear, restricting the patient from leading a normal life. One of the most disabling MCs is ON-OFF fluctuations. Gathering accurate information about the clinical status of the patient is essential for planning treatment and assessing its effect. Systems such as the REMPARK system, capable of accurately and reliably monitoring ON-OFF fluctuations, are of great interest.ObjectiveTo analyze the ability of the REMPARK System to detect ON-OFF fluctuations.MethodsForty-one patients with moderate to severe idiopathic PD were recruited according to the UK Parkinson’s Disease Society Brain Bank criteria. Patients with motor fluctuations, freezing of gait and/or dyskinesia and who were able to walk unassisted in the OFF phase, were included in the study. Patients wore the REMPARK System for 3days and completed a diary of their motor state once every hour.ResultsThe record obtained by the REMPARK System, compared with patient-completed diaries, demonstrated 97% sensitivity in detecting OFF states and 88% specificity (i.e., accuracy in detecting ON states).ConclusionThe REMPARK System detects an accurate evaluation of ON-OFF fluctuations in PD; this technology paves the way for an optimisation of the symptomatic control of PD motor symptoms as well as an accurate assessment of medication efficacy.



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Concurrent validity of an automated algorithm for computing the center of pressure excursion index (CPEI)

Publication date: January 2018
Source:Gait & Posture, Volume 59
Author(s): Michelle A. Diaz, Mandi W. Gibbons, Jinsup Song, Howard J. Hillstrom, Kersti H. Choe, Maria R. Pasquale
Center of Pressure Excursion Index (CPEI), a parameter computed from the distribution of plantar pressures during stance phase of barefoot walking, has been used to assess dynamic foot function. The original custom program developed to calculate CPEI required the oversight of a user who could manually correct for certain exceptions to the computational rules. A new fully automatic program has been developed to calculate CPEI with an algorithm that accounts for these exceptions. The purpose of this paper is to compare resulting CPEI values computed by these two programs on plantar pressure data from both asymptomatic and pathologic subjects. If comparable, the new program offers significant benefits—reduced potential for variability due to rater discretion and faster CPEI calculation. CPEI values were calculated from barefoot plantar pressure distributions during comfortable paced walking on 61 healthy asymptomatic adults, 19 diabetic adults with moderate hallux valgus, and 13 adults with mild hallux valgus. Right foot data for each subject was analyzed with linear regression and a Bland-Altman plot. The automated algorithm yielded CPEI values that were linearly related to the original program (R²=0.99; P<0.001). Bland-Altman analysis demonstrated a difference of 0.55% between CPEI computation methods. Results of this analysis suggest that the new automated algorithm may be used to calculate CPEI on both healthy and pathologic feet.



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A “HOLTER” for Parkinson’s disease: Validation of the ability to detect on-off states using the REMPARK system

Publication date: January 2018
Source:Gait & Posture, Volume 59
Author(s): Àngels Bayés, Albert Samá, Anna Prats, Carlos Pérez-López, Maricruz Crespo-Maraver, Juan Manuel Moreno, Sheila Alcaine, Alejandro Rodriguez-Molinero, Berta Mestre, Paola Quispe, Ana Correia de Barros, Rui Castro, Alberto Costa, Roberta Annicchiarico, Patrick Browne, Tim Counihan, Hadas Lewy, Gabriel Vainstein, Leo R. Quinlan, Dean Sweeney, Gearóid ÓLaighin, Jordi Rovira, Daniel Rodrigue z-Martin, Joan Cabestany
The treatment of Parkinson's disease (PD) with levodopa is very effective. However, over time, motor complications (MCs) appear, restricting the patient from leading a normal life. One of the most disabling MCs is ON-OFF fluctuations. Gathering accurate information about the clinical status of the patient is essential for planning treatment and assessing its effect. Systems such as the REMPARK system, capable of accurately and reliably monitoring ON-OFF fluctuations, are of great interest.ObjectiveTo analyze the ability of the REMPARK System to detect ON-OFF fluctuations.MethodsForty-one patients with moderate to severe idiopathic PD were recruited according to the UK Parkinson’s Disease Society Brain Bank criteria. Patients with motor fluctuations, freezing of gait and/or dyskinesia and who were able to walk unassisted in the OFF phase, were included in the study. Patients wore the REMPARK System for 3days and completed a diary of their motor state once every hour.ResultsThe record obtained by the REMPARK System, compared with patient-completed diaries, demonstrated 97% sensitivity in detecting OFF states and 88% specificity (i.e., accuracy in detecting ON states).ConclusionThe REMPARK System detects an accurate evaluation of ON-OFF fluctuations in PD; this technology paves the way for an optimisation of the symptomatic control of PD motor symptoms as well as an accurate assessment of medication efficacy.



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Boys Town National Research Hospital: Past, Present, and Future

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Effects of Device on Video Head Impulse Test (vHIT) Gain

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Effect of Stimulus Polarity on Physiological Spread of Excitation in Cochlear Implants

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Relationship of Grammatical Context on Children’s Recognition of s/z-Inflected Words

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Listener Performance with a Novel Hearing Aid Frequency Lowering Technique

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Listening Effort and Speech Recognition with Frequency Compression Amplification for Children and Adults with Hearing Loss

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Identifying Otosclerosis with Aural Acoustical Tests of Absorbance, Group Delay, Acoustic Reflex Threshold, and Otoacoustic Emissions

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Perceptual Implications of Level- and Frequency-Specific Deviations from Hearing Aid Prescription in Children

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JAAA CEU Program

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Boys Town National Research Hospital: Past, Present, and Future

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Effects of Device on Video Head Impulse Test (vHIT) Gain

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Effect of Stimulus Polarity on Physiological Spread of Excitation in Cochlear Implants

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Relationship of Grammatical Context on Children’s Recognition of s/z-Inflected Words

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Listener Performance with a Novel Hearing Aid Frequency Lowering Technique

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Listening Effort and Speech Recognition with Frequency Compression Amplification for Children and Adults with Hearing Loss

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Identifying Otosclerosis with Aural Acoustical Tests of Absorbance, Group Delay, Acoustic Reflex Threshold, and Otoacoustic Emissions

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Perceptual Implications of Level- and Frequency-Specific Deviations from Hearing Aid Prescription in Children

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JAAA CEU Program

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Boys Town National Research Hospital: Past, Present, and Future

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Effects of Device on Video Head Impulse Test (vHIT) Gain

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Effect of Stimulus Polarity on Physiological Spread of Excitation in Cochlear Implants

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Relationship of Grammatical Context on Children’s Recognition of s/z-Inflected Words

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Listener Performance with a Novel Hearing Aid Frequency Lowering Technique

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Listening Effort and Speech Recognition with Frequency Compression Amplification for Children and Adults with Hearing Loss

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Identifying Otosclerosis with Aural Acoustical Tests of Absorbance, Group Delay, Acoustic Reflex Threshold, and Otoacoustic Emissions

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Perceptual Implications of Level- and Frequency-Specific Deviations from Hearing Aid Prescription in Children

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JAAA CEU Program

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