A phase-demodulation based time drift compensation for the reduction of the 50/60 Hz power line interference in biopotentials
de la Torre A, Alvarez IM, Muñoz-Orellana, JA.
Biomedical Signal Processing & Control (2026) 115. 109423. Open access
[DOI] [PDF] [Supplementary Material (includes Matlab/Octave code)]

Multi-response deconvolution of auditory evoked potentials in a reduced representation space
de la Torre A, Sanchez I, Alvarez IM, Segura JC, Valderrama JT, Muller N, Vargas JL.
Journal of the Acoustical Society of America (2024) 155, 3639–3653. Open access
[DOI] [PDF] [Supplementary Material (includes Matlab/Octave code)]

The hunt for hidden hearing loss in humans: From preclinical studies to effective interventions
Valderrama JT, de la Torre A, McAlpine D.
Frontiers in Neuroscience (2022) 16, 1000304, 13p. Open access
[DOI] [PDF]

Auditory brainstem responses obtained with randomised stimulation level
Martinez M, Valderrama JT, Alvarez IM, de la Torre A, Vargas JL.
International Journal of Audiology (2022).

[DOI] [PDF]

Subspace-constrained deconvolution of auditory evoked potentials
de la Torre A, Valderrama JT, Segura JC, Alvarez IM.
Journal of the Acoustical Society of America (2022) 151, 3745-3757.
[DOI] [PDF]

Latency-dependent filtering and compact representation of the complete auditory pathway response
de la Torre A, Valderrama JT, Alvarez IM, Segura JC.
Journal of the Acoustical Society of America (2020) 148, 599-613.
[DOI] [PDF]

Matrix-based formulation of the iterative randomized stimulation and averaging method for recording evoked potentials
de la Torre A, Valderrama JT, Segura JC, Alvarez IM.
Journal of the Acoustical Society of America (2019) 146, 4545-4556.
[DOI] [PDF]

An automatic algorithm for blink-artifact suppression based on iterative template matching: Application to single channel recording of cortical auditory evoked potentials
Valderrama JT, de la Torre A, Van Dun B.
Journal of Neural Engineering (2018) 15, 016008, 15p.
[DOI] [PDF]

Selective processing of auditory evoked responses with iterative-randomized stimulation and averaging: A strategy for evaluating the time-invariant assumption
Valderrama JT, de la Torre A, Medina C, Segura JC, Thornton ARD.
Hearing Research (2016) 333, 66-76.
[DOI] [PDF]

Auditory brainstem and middle latency responses recorded at fast rates with randomized stimulation
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Thornton ARD, Sainz M, Vargas JL.
Journal of the Acoustical Society of America (2014) 136, 3233-3248.
[DOI] [PDF]

A flexible and inexpensive high-performance auditory evoked response recording system appropriate for research purposes
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Sainz M, Vargas JL.
Biomedical Engineering/Biomedizinische Technik (2014) 59, 447-459.
[DOI] [PDF]

Automatic quality assessment and peak identification of auditory brainstem responses with fitted parametric peaks
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Thornton ARD, Sainz M, Vargas JL.
Computer Methods and Programs in Biomedicine (2014) 114, 262-275.
[DOI] [PDF]

A study of adaptation mechanisms based on ABR recorded at high stimulation rate
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Thornton ARD, Sainz M, Vargas JL.
Clinical Neurophysiology (2014) 125, 805-813.
[DOI] [PDF]

Analysis of electrical thresholds and maximum comfortable levels in cochlear implant patients
Vargas JL, Sainz M, Roldan C, Alvarez IM, de la Torre A.
Auris Nasus Larynx (2013) 40, 260-265.
[DOI] [PDF]

Long-term evolution of the electrical stimulation levels for cochlear implant patients
Vargas JL, Sainz M ,Roldan C, Alvarez IM, de la Torre A.
Clinical and Experimental Otorhinolaryngology (2012) 5, 194-200.
[DOI] [PDF]

Recording of auditory brainstem respones at high stimulation rates using randomized stimulation and averaging
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Sainz M, Vargas JL.
Journal of the Acoustical Society of America (2012) 132, 3856-3865.
[DOI] [PDF]

Educational approach of a BAER recording system based on experiential learning
Valderrama JT, Alvarez I, de la Torre A, Segura JC, Sainz M, Vargas JL.
Technics Technologies Education Management (2011) 6, 876-889.
[URL] [PDF]

Changes over time of the refractory properties measured from ECAP in Pulsa CI100 cochlear implant recipients
Alvarez IM, de la Torre A, Valderrama JT, Roldan C, Sainz M, Segura JC, Vargas JL.
The Journal of International Advanced Otology (2011) 7, 398-407. Open access
[URL] [PDF]

Reducing blanking artifact in electrically evoked compound action potentials
Alvarez IM, de la Torre A, Sainz M, Roldan C.
Computer Methods and Programs in Biomedicine (2010) 97, 257-263.
[DOI] [PDF]

Using evoked compound action potentials to assess activation of electrodes and predict C-levels in the tempo+ cochlear implant speech processor
Alvarez IM, de la Torre A, Sainz M, Roldan C, Schoesser H, Spitzer P.
Ear and Hearing (2010) 31, 134-145.
[DOI] [PDF]

An improved masker-probe method for stimulus artifact reduction in electrically evoked compound action potentials
Alvarez IM, de la Torre A, Sainz M, Roldan C, Schoesser H, Spitzer P.
Journal of Neuroscience Methods (2008) 175, 143-147.
[DOI] [PDF]

Generalized alternating stimulation: A novel method to reduce stimulus artifact in electrically evoked compound action potentials
Alvarez IM, de la Torre A, Sainz M, Roldan C, Schoesser H, Spitzer P.
Journal of Neuroscience Methods (2007) 165, 95-103.
[DOI] [PDF]

Potenciales auditivos evocados con voz sintética: Entendiendo las respuestas transitorias tempranas y tardías asociadas a los pulsos glotales y a los fonemas
de la Torre A, Alvarez IM, Muller N, Chiquero F, Martin-Lagos J, Vargas JL.
76 Congreso Nacional de la Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello (SEORL-CCC), Madrid, Spain (October 22-25, 2025)
[Abstract, Presentation, Slides description, Conference summary]

Respuestas evocadas auditivas con estimulación multinivel para la determinación ultra-precisa de los umbrales de audición
Muller N, de la Torre A, Chiquero F, Alvarez IM, Martin-Lagos J, Vargas JL.
76 Congreso Nacional de la Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello (SEORL-CCC), Madrid, Spain (October 22-25, 2025)
[Abstract, Presentation, Slides description, Conference summary]

Evaluación objetiva de la percepción en ruido específica de la frecuencia basada en potenciales evocados auditivos
Chiquero F, Alvarez IM, Muller N, Martin-Lagos J, Vargas JL, de la Torre A.
76 Congreso Nacional de la Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello (SEORL-CCC), Madrid, Spain (October 22-25, 2025)
[Abstract, Presentation, Slides description, Conference summary]

Diseño y demostración de un sistema de registro de potenciales evocados auditivos de bajo coste basado en electrónica de consumo: aplicación para divulgación de conceptos audiológicos en colegios y museos de ciencia
de la Torre A, Alvarez IM, Muñoz-Orellana JA, Martin-Lagos J, Vargas JL.
76 Congreso Nacional de la Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello (SEORL-CCC), Madrid, Spain (October 22-25, 2025)
[Abstract, Poster, Poster description, Conference summary]

Design and demonstration of a low-cost AEP recording system based on consumer electronics: Application for disseminating audiological concepts in schools and science museums
de la Torre A, Alvarez IM, Raya M, Muñoz-Orellana JA, Martin-Lagos J, Torres-Lara JA.
International Workshop on Sound Signal Processing Applications (IWSSPA), Rota, Spain (July 8-11, 2025)
[Abstract, Presentation, Slides description, Conference summary, Book of Abstracts]

Frequency specific objective AEP-based assessment of hearing perception in noise
Chiquero F, Alvarez IM, Müller N, de la Torre A, Martín-Lagos J, Vargas JL.
XXIX International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Boulder, Colorado, EEUU (June 14-18, 2025)
[Abstract, Presentation, Slides description, Conference summary]

Reduction of the power line interference in a single-channel AEP recording system based on low cost consumer electronics: application for dissemination of audiology concepts in schools and at a science museum
de la Torre A, Alvarez IM, Muñoz-Orellana JA, Martín-Lagos J, López-Pérez L, Torres-Lara JA.
XXIX International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Boulder, Colorado, EEUU (June 14-18, 2025)
[Abstract, Poster, Poster description, Conference summary]

Understanding early and late transient responses to speech: experiments using synthetic speech
de la Torre A, Alvarez IM, Müller N, Chiquero F, Martín-Lagos J, Vargas JL.
XXIX International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Boulder, Colorado, EEUU (June 14-18, 2025)
[Abstract, Poster, Poster description, Conference summary]

Auditory evoked responses of the complete auditory pathway using structured stimulation sequences
Müller N, de la Torre A, Chiquero F, Alvarez IM, Martín-Lagos J, Vargas JL.
XXIX International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Boulder, Colorado, EEUU (June 14-18, 2025)
[Abstract, Poster, Poster description, Conference summary]

Live demonstration of a portable, affordable, and versatile auditory evoked potentials recording system mostly based on off-the-shelf electronics
de la Torre A, Valderrama JT, Alvarez IM, Segura, JC, Vargas JL, Palma AJ, Carvajal MA, Pousibet A.
XXVIII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Cologne, Germany (September 15-19, 2023)
[Abstract, Presentation, Slides description, Temporary Supplemental file (583 MB, available until 02/12/2023), Permanent Supplemental file (6 MB, Binary files and detailed figures excluded), Conference summary]

Simultaneous deconvolution of multiple auditory evoked potentials in a reduced representation space
de la Torre A, Sanchez I, Valderrama JT, Alvarez IM, Segura JC, Muller N, Vargas JL.
XXVIII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Cologne, Germany (September 15-19, 2023)
[Abstract, Presentation, Slides description, Conference summary]

Deconvolution for flexible recording of transient evoked potentials
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Vargas JL.
XXVIII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Cologne, Germany (September 15-19, 2023)
[Abstract, Presentation, Slides description, Conference summary]

En la búsqueda de nuevos biomarcadores de la pérdida de audición oculta
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Vargas JL.
XIX National Congress of Audiology of the Spanish Association of Audiology (AEDA), Madrid, Spain (June 15-17, 2023)
[Presentation]

EEG Demonstration: Recording evoked potentials beyond the laboratory (live demonstration)
de la Torre A.
2023 International Workshop on Advances in Audiology, Salamanca, Spain (May 25-27, 2023)
[Abstract, Presentation, Demonstration]

New avenues for recording auditory evoked potentials
Valderrama JT.
2023 International Workshop on Advances in Audiology, Salamanca, Spain (May 25-27, 2023)
[Abstract, Presentation]

The transient response to inter-aural time differences
Martinez M, Alvarez IM, Valderrama JT, de la Torre A, Vargas JL.
76 Congreso Nacional de la Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello (SEORL-CCC), Las Palmas de Gran Canaria, Spain (Oct 13-15, 2022)

[Abstract, Presentation]

Clinical value of auditory evoked potentials obtained with randomised stimulation
Martinez M, Alvarez IM, Valderrama JT, de la Torre A, Vargas JL.
76 Congreso Nacional de la Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello (SEORL-CCC), Las Palmas de Gran Canaria, Spain (Oct 13-15, 2022)

[Abstract, Presentation]

The transient response to interaural time differences
Martinez M, Valderrama JT, Alvarez IM, Vargas JL, de la Torre A.
XXVII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, online Forum (June 14 – July 9, 2021)

[Abstract, Presentation]

Recording auditory brainstem responses with randomized stimulation level
Martinez M, Alvarez IM, Valderrama JT, Vargas JL, de la Torre A.
XXVII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, online Forum (June 14 – July 9, 2021)

[Abstract, Presentation]

Towards the recording of brainstem and cortical evoked responses from the fine structure of natural speech
Valderrama JT, de la Torre A, Van Dun B, Segura JC.
XXVI International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Sydney, Australia (June 30 – July 4, 2019)

[Abstract, Presentation]

Auditory brainstem responses from apical portions of the cochlea evoked by a basilar membrane resonance induced by fast stimulus rates
Valderrama JT, Undurraga JA, Van Yper L, de la Torre A, McAlpine D.
41^st Association for Research in Otolaryngology (ARO) Annual Midwinter Meeting, San Diego, CA (Feb 9-14, 2018)

[Abstract, Presentation]

Comprehensive recording of auditory evoked potentials by projecting over a base of functions
Valderrama JT, de la Torre A, Van Dun B, Undurraga J, Segura JC, Dillon H, McAlpine D.
XXV International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, Warsaw, Poland (May 21-25, 2017)

[Abstract, Presentation]

La investigación multidisciplinar en Audiología: Estudio de los mecanismos rápidos y lentos de adaptación de los potenciales evocados auditivos
de la Torre A, Valderrama JT.
XIII Congreso Nacional de la Asociación Española de Audiología, Cartagena, Spain (May 20-21, 2016)

[Program, Presentation]

Registro de potenciales evocados auditivos mediante una arquitectura modular apropiada para propósitos de investigación
Valderrama JT, Franco M, Alvarez IM, de la Torre A, Segura JC, Sainz M, Vargas JL.
6º Simposio CEA Bioingeniería – Interfaces Mente-Computador y Neurotecnologías, Granada, Spain (June 12-13, 2014)

[Conference paper, Presentation]

Método automático de seguimiento de respuestas evocadas auditivas basado en la parametrización de series de registros
Morales JM, Valderrama JT, Alvarez IM, de la Torre A, Segura JC, Sainz M, Vargas JL.
6º Simposio CEA Bioingeniería – Interfaces Mente-Computador y Neurotecnologías, Granada, Spain (June 12-13, 2014)

[Conference paper]

A more efficient use of the recording time with randomized stimulation and averaging (RSA) in hearing screening applications
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Kaf W, Sainz M, Vargas JL.
9^th International Conference of the Saudi Society of Otorhinolaryngology – Head and Neck Surgery, Riyad, Kingdom of Saudi Arabia (March 4-6, 2014)

[Abstract, Presentation]

Automatic quality assessment and response detection of auditory evoked potentials based on response tracking
Valderrama JT, Morales JM, Alvarez IM, de la Torre A, Segura JC, Sainz M, Vargas JL.
XXIII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, New Orleans, LA (June 9-13, 2013)

[Abstract, Presentation]

Auditory middle latency responses recorded at high stimulation rates using randomised stimulation and averaging
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Thornton ARD, Sainz M, Vargas JL.
XXIII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, New Orleans, LA (June 9-13, 2013)

[Abstract, Presentation]

Deconvolution of overlapping responses and frequency domain-based artifact rejection methods using randomized stimulation
Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Sainz M, Vargas JL.
XXIII International Evoked Response Audiometry Study Group (IERASG) Biennial Symposium, New Orleans, LA (June 9-13, 2013)

[Abstract, Presentation]

A portable, modular, and low cost auditory brainstem response recording system including an algorithm for automatic identification of responses suitable for hearing screening
Valderrama JT, Alvarez IM, de la Torre A, Segura JC, Sainz M, Vargas JL.
IEEE EMBS Point-of-Care Healthcare Technologies (PHT) conference, Bangalore, India (Jan 16-18, 2013)

[Conference paper, Presentation]

A preliminary study of the short-term and long-term neural adaptation of the auditory brainstem response by the use of randomized stimulation
Valderrama JT, Alvarez IM, de la Torre A, Segura JC, Sainz M, Vargas JL.
Adult Hearing Screening (AHS) congress, Cernobbio (Como Lake), Italy (June 7-9, 2012)

[Abstract, Poster]

Reducing recording time of brainstem auditory evoked responses by the use of randomized stimulation
Valderrama JT, Alvarez IM, de la Torre A, Segura JC, Sainz M, Vargas JL.
Newborn Hearing Screening (NHS) congress, Cernobbio (Como Lake), Italy (June 5-7, 2012)

[Abstract, Poster]

Reducción del tiempo de exploración de potenciales evocados auditivos del tronco cerebral mediante estimulación aleatorizada
Alvarez IM, Valderrama JT, de la Torre A, Segura JC, Sainz M, Vargas JL
XXV Unión Científica Internacional de Radio (URSI) National Symposium, Bilbao, Spain (Sep 15-17, 2010)

[Conference paper, Presentation]