Joaquín T. Valderrama

ACCREDITATIONS

  • [Nov 2023] R3 (established researcher, CR32023-038619), Agencia Estatal de Investigación (AEI). [Official resolution]
  • [Nov 2018] Profesor Contratado Doctor, Agencia Nacional de Evaluación de la Calidad (ANECA).
  • [Nov 2018] Profesor de Universidad Privada, Agencia Nacional de Evaluación de la Calidad (ANECA).

POSITIONS

Academy & Research

  • [Jan 2024 – Present] Ramón y Cajal Fellow (RYC2022-037875-I). Department of Signal Theory, Telematics and Communications, University of Granada (Granada, Spain). [Official resolution]
  • [Jan 2023 – Dec 2023] María Zambrano Research Fellow. Department of Signal Theory, Telematics and Communications, University of Granada (Granada, Spain). [Official resolution]
  • [Dec 2022 – Present] Honorary Senior Research Fellow. Department of Linguistics, Macquarie University (Sydney, Australia).
  • [Jan 2021 – Nov 2022] Senior Research Scientist. National Acoustic Laboratories (Sydney, Australia).
  • [Apr 2015 – Sep 2022] Honorary Research Fellow. Department of Linguistics, Macquarie University (Sydney, Australia).
  • [Mar 2015 – Jan 2021] Research Scientist. National Acoustic Laboratories (Sydney, Australia).
  • [Nov 2012 – Feb 2013] Research Fellow. MRC Institute of Hearing Research, Royal South Hants Hospital (Southampton, United Kingdom).
  • [Oct 2010 – Feb 2015] Research Fellow. Department of Signal Theory, Telematics and Communications, University of Granada (Granada, Spain).

Scientific affiliations

  • [Feb 2023 – Present] Council member. International Evoked Response Audiometry Study Group (IERASG). [IERASG council].
  • [Dec 2021 – Present] Ambassador. Spanish Researchers in Australia-Pacific (SRAP).
    • Previous SRAP appointments: [Dec 2021 – Nov 2022] Honorary President; [Dec 2019 – Dec 2021] President; [Nov 2018 – Dec 2019] Vice-president; [Nov 2017 – Nov 2018] Head of Strategy; [Nov 2016 – Present] Board member; [June 2015 – Present] Member.

Consultant

  • [Sep 2008 – Sep 2009] Strategy & Operations consultant. Deloitte S.L., Industry of Telecommunications, Media and Technology (Madrid, Spain).

EDUCATION

Formal education

  • Diploma of Specialization in Audiology. University of Salamanca, June 2015 (Salamanca, Spain).
  • Doctor of Phylosophy (PhD). University of Granada, November 2014 (Granada, Spain)
    • PhD thesis: Development and implementation of an advanced auditory evoked potentials recording system: New strategies in high-rate stimulation. Supervisors: Prof. Ángel de la Torre Vega, Prof. José Carlos Segura Luna. Grade: Cum Laude. [PhD thesis]
  • Master of Science (MoS) – Multimedia Technologies. University of Granada, December 2010 (Granada, Spain).
    • MoS thesis: Design and implementation of a portable auditory brainstem response recording system using acoustic stimulation. Supervisors: Prof. Ángel de la Torre Vega, Prof. José Carlos Segura Luna. Grade: 9/10. [MoS thesis]
  • Bachelor of Science (BoS) – Telecommunication Engineering. European University of Madrid, June 2008 (Madrid, Spain).
    • BoS thesis: Past, present, and future of the telecommunication market. Supervisor: Prof. Carlos Blanco Vázquez. Grade: Cum Laude.
  • Bachelor of Science (BoS) – Business Administration and Management. European University of Madrid, June 2008 (Madrid, Spain).

Other training

  • Communicating for Impact, 20-hours training on efficient communication strategies to different types of audiences. National Acoustic Laboratories, August 2022 – October 2022 (Sydney, Australia).
  • Talent Booster, 60-hours training on leadership and human resources management. Hearing Australia, July 2019 – July 2020 (Sydney, Australia).
  • Accidental counselling, 8-hours training on efficient handling of difficult conversations resulting from clients, colleagues and research participants expressing pain, upset, and suffering. Hearing Australia, June 2019 (Sydney, Australia).
  • Deaf awareness, 8-hours training on increasing knowledge and awareness about the deaf culture, aimed at reducing barriers and increasing inclusion, participation and opportunities for hard-of-hearing people. Hearing Australia, June 2019 (Sydney, Australia).
  • Leading bold change, 8-hours training on efficient strategies to inspire, encourage, and facilitate change within a team. Hearing Australia, June 2015 (Sydney, Australia).
  • Statistical analysis, 30-hours training on statistics. University of Granada, Sep-Oct 2014 (Granada, Spain).
  • Training on research activity, 8-hours cycle of conferences about fundamental research ethics, principles and procedures. CITIC-UGR, April-May 2011 (Granada, Spain).
  • Seminar of introduction to the International Financial Reporting Standards, 70-hours training on emerging standards for financial reporting. Deloitte S.L., April 2006 (Madrid, Spain).

Secured academic grants

  • List.

RESEARCH

Projects

  • ‘Ramón y Cajal’ fellowship
    • Reference: RYC2022-037875-I [Official resolution]
      Dates: Jan 2024 – Dec 2028.
      Funded by: [1] Agencia Estatal de Investigación, from the Spanish Ministry of Science and Innovation (MCIU/AEI/10.13039/501100011033); and [2] European Social Fund Plus (FSE+).
      Role: Principal Investigator.
      Institution: University of Granada (Granada, Spain).
      Amount funded: 244,350.00 € (from which 50,000.00 € are for research purposes).

  • Early Hidden Hearing Loss Detection (E-HHL-D)
    • Reference: ProyExcel_00152 [Official resolution]
      Dates: Dec 2022 – Dec 2025.
      Funded by: Consejería de Universidad, Investigación e Innovación, Junta de Andalucía (Spain).
      Principal investigators: Prof. Ángel de la Torre, Prof. José Carlos Segura.
      Role: Collaborator.
      Institution: University of Granada (Granada, Spain).
      Amount funded: 78,545.00 €.

  • Objective and subjective electrophysiological evaluation of the benefit of binaural perception in normal hearing individuals and cochlear implant users (BINAURAL-EVAL)
    • Reference: B.TIC.382.UGR20 [Official resolution].
      Dates: Sep 2021 – June 2023.
      Funded by: [1] European Regional Development Fund (ERDF) – A way to make Europe from the European Union; and [2] Consejería de Universidad, Investigación e Innovación from Junta de Andalucía (Spain).
      Principal investigator: Prof. Ángel de la Torre.
      Role: Collaborator.
      Institution: University of Granada (Granada, Spain).
      Amount funded: 35,000.00 €.

  • Towards speech-elicited auditory evoked potentials (Speech-AEPs)
    • Reference: PID2020-119073GB-I00 [Official resolution]
      Dates: July 2021 – June 2024.
      Funded by: Agencia Estatal de Investigación, from the Spanish Ministry of Science and Innovation (MCIU/AEI/10.13039/501100011033).
      Principal investigators: Prof. Ángel de la Torre, Prof. José Carlos Segura.
      Role: Collaborator.
      Institution: University of Granada (Granada, Spain).
      Amount funded: 33,759.00 €.

  • Early exploration of innovative auditory evoked potential tests for hidden hearing loss
    • Dates: July 2022 – Oct 2022.
      Funded by: National Acoustic Laboratories, Department of Health and Aged Care, Government of Australia.
      Role: Principal Investigator.
      Institution: National Acoustic Laboratories (Sydney, Australia).
      Amount funded: AUD 42,060.00.

  • Airpods Pro Perceived Listening Experience (APPLE)
    • Dates: Oct 2021 – Jan 2022.
      Funded by: National Acoustic Laboratories, Department of Health and Aged Care, Government of Australia.
      Role: Principal Investigator.
      Institution: National Acoustic Laboratories (Sydney, Australia).
      Amount funded: AUD 103,091.00.

  • Evaluation of listening effort in realistic environments with advanced features of Phonak hearing aids using dual-task, electrophysiology, and self-reported measures
    • Dates: Feb 2019 – Aug 2021.
      Funded by: Sonova Holding A.G.
      Role: Principal Investigator.
      Institution: National Acoustic Laboratories (Sydney, Australia).
      Amount funded: AUD 179,684.00.

  • Speech in noise difficulties beyond normal audiograms (SiNDBA)
    • Dates: Jan 2019 – Aug 2021.
      Funded by: National Acoustic Laboratories, Department of Health and Aged Care, Government of Australia.
      Role: Principal Investigator.
      Institution: National Acoustic Laboratories (Sydney, Australia).
      Amount funded: AUD 253,289.00.

  • Design-thinking sprint: Normal hearing and mild hearing loss with speech-in-noise difficulties
    • Dates: Dec 2018 – Mar 2019.
      Funded by: National Acoustic Laboratories, Department of Health and Aged Care, Government of Australia.
      Role: Principal Investigator.
      Institution: National Acoustic Laboratories (Sydney, Australia).

  • Early indicators of Noise Injury (EINI): Are decreased auditory processing skills evident in noise-exposed adults prior to diagnosis of hearing loss?
    • Reference: APP1063905 [Official resolution] (Excel file including all the projects funded by the NHMRC in 2013)
      Dates: Mar 2015 – Dec 2017.
      Funded by: National Health and Medical Research Council (NHMRC), Government of Australia.
      Principal investigator: Dr. Warwick Williams.
      Role: Investigator.
      Institution: National Acoustic Laboratories (Sydney, Australia).
      Amount funded: AUD 355,504.50.

  • Creating a sense of auditory space – The neural basis of sensitivity to interaural time differences
    • Reference: FL160100108 – 2016 Australian Laureate Fellowship [Official resolution].
      Dates: Jan 2017 – Dec 2017.
      Funded by: Australian Research Council, Australia.
      Principal investigator: Prof. David McAlpine.
      Role: Investigator (from Jan 2017 to Dec 2017).
      Institution: Macquarie University (Sydney, Australia).
      Amount funded: AUD 2,409,738.00.

  • Auditory and cognitive skills in children with reading and listening concerns
    • Reference: XR3.3.4.
      Dates: March 2015 – June 2019.
      Funded by: HEARing CRC, Australia.
      Role: Investigator.
      Institution: Macquarie University (Sydney, Australia).
      Amount funded: AUD 293,933.00.

  • Auditory processing skills in children with reading and listening concerns
    • Reference: XR1.2.1.
      Dates: March 2015 – June 2019.
      Funded by: HEARing CRC, Australia.
      Role: Investigator.
      Institution: Macquarie University (Sydney, Australia).
      Amount funded: AUD 343,246.

  • Recording of auditory brainstem and middle latency responses
    • Reference: PYR-2014-3.
      Dates: Apr 2014 – Dec 2014.
      Funded by: Granada Excellence Network of Innovation Laboratories (GENIL), Campus de Excelencia Internacional BioTIC GRANADA, Ministerio de Ciencia, Innovación y Universidades, Gobierno de España.
      Role: Investigador.
      Institution: University of Granada (Granada, Spain).
      Amount funded: 3,000.00 €.

  • Design, implementation, and evaluation of an advanced system for recording auditory brainstem responses based in encoded signalling
    • Reference: TEC2009-14245 [Official resolution].
      Dates: Oct 2010 – Dec 2013.
      Funded by: Plan Nacional de I+D 2008-2011, Ministerio de Ciencia e Innovación, Gobierno de España.
      Role: Investigator.
      Institution: University of Granada (Granada, Spain).
      Amount funded: 40,535.00 €.

Peer-reviewed publications

  • Mealings K*, Valderrama JT*, Mejia J, Yeend I, Beach EF, Edwards B. Hearing aids reduce self-perceived difficulties in noise for listeners with normal audiograms. Ear and Hearing (2024) 45, 151-163. doi: 10.1097/AUD.0000000000001412. *KM and JTV have contributed equally and share the first authorship [Download, Preprint]

  • Valderrama JT, Mejia J, Wong A, Chong-White N, Edwards B. The value of headphone accommodations in Apple Airpods Pro for managing speech-in-noise hearing difficulties of individuals with normal audiograms. International Journal of Audiology (2023), online ahead of print, 11p. doi: 10.1080/14992027.2023.2199442. [Download]

  • van Bohemen SJ, Rogers JM, Boughton PC, Clarke JL, Valderrama JT, Kyme AZ. Continuous non-invasive estimates of cerebral blood flow using electrocardiography signals: A feasibility study. Biomedical Engineering Letters (2023) 13, 185-195. doi: 10.1007/s13534-023-00265-z. [Download]

  • Martinez M, Valderrama JT, Alvarez IM, de la Torre A, Vargas JL. Auditory brainstem responses obtained with randomised stimulation level. International Journal of Audiology (2023) 62, 368-375. doi: 10.1080/14992027.2022.2047233. [Download]

  • Valderrama JT, de la Torre A, McAlpine D. The hunt for hidden hearing loss in humans: From preclinical studies to effective interventions. Frontiers in Neuroscience (2022) 16, 1000304, 13p. doi: 10.3389/fnins.2022.1000304. [Download]

  • Fan ZT, Zhao ZH, Sharma M, Valderrama JT, Fu QJ, Liu JX, Fu X, Li H, Zhao XL, Guo XY, Fu LY, Wang NY, Zhang J. Acoustic change complex evoked by horizontal sound location change in young adults with normal hearing. Frontiers in Neuroscience (2022) 16, 908989, 12p. doi: 10.3389/fnins.2022.908989. [Download]

  • de la Torre A, Valderrama JT, Segura JC, Alvarez IM. Subspace-constrained deconvolution of auditory evoked potentials. Journal of the Acoustical Society of America (2022) 151, 3745-3757. doi: 10.1121/10.0011423. [Download]

  • Rogers JM, Jensen J, Valderrama JT, Johnstone SJ, Wilson PH. Single-channel EEG measurement of engagement in virtual rehabilitation: A validation study. Virtual Reality (2021) 25, 357-366. doi: 10.1007/s10055-020-00460-8. [Download]

  • Johnstone SJ, Jiang J, Zhang D, Rogers J, Valderrama JT, Sun L. Development of frontal EEG differences between eyes-closed and eyes-open resting conditions in children: Data from a single-channel dry-sensor portable device. Clinical EEG & Neuroscience (2021) 52, 235-245. doi: 10.1177/1550059420946648. [Download]

  • de la Torre A, Valderrama JT, Alvarez IM, Segura JC. Latency-dependent filtering and compact representation of the complete auditory pathway response. Journal of the Acoustical Society of America (2020) 148, 599-613. doi: 10.1121/10.0001673. [Download]

  • Valderrama JT, Beach EF, Sharma M, Appaiah-Konganda S, Schmidt E. Design and evaluation of the effectiveness of a corpus of congruent and incongruent English sentences for the study of event related potentials. International Journal of Audiology (2021) 60, 96-103. doi: 10.1080/14992027.2020.1798518. [Download]

  • de la Torre A, Valderrama JT, Segura JC, Alvarez IM. Matrix-based formulation of the iterative randomized stimulation and averaging method for recording evoked potentials. Journal of the Acoustical Society of America (2019) 146, 4545-4556. doi: 10.1121/1.5139639. [Download]

  • Valderrama JT, de la Torre A, Van Dun B. An automatic algorithm for blink-artifact suppression based on iterative template matching: Application to single channel recording of cortical auditory evoked potentials. Journal of Neural Engineering (2018) 15, 016008, 15p. doi: 10.1088/1741-2552/aa8d95. [Download]

  • Valderrama JT, de la Torre A, Medina C, Segura JC, Thornton ARD. Selective processing of auditory evoked responses with iterative-randomized stimulation and averaging: A strategy for evaluating the time-invariant assumption. Hearing Research (2016) 333, 66-76. doi: 10.1016/j.heares.2015.12.009. [Download]

  • Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Thornton ARD, Sainz M, Vargas JL. Auditory brainstem and middle latency responses recorded at fast rates with randomized stimulation. Journal of the Acoustical Society of America (2014) 136, 3233-3248. doi: 10.1121/1.4900832. [Download]

  • Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Sainz M, Vargas JL. A flexible and inexpensive high-performance auditory evoked response recording system appropriate for research purposes. Biomedical Engineering/Biomedizinische Technik (2014) 59, 447-459. doi: 10.1515/bmt-2014-0034. [Download]

  • Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Thornton ARD, Sainz M, Vargas JL. Automatic quality assessment and peak identification of auditory brainstem responses with fitted parametric peaks. Computer Methods and Programs in Biomedicine (2014) 114, 262-275. doi: 10.1016/j.cmpb.2014.02.015. [Download]

  • Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Thornton ARD, Sainz M, Vargas JL. A study of adaptation mechanisms based on ABR recorded at high stimulation rate. Clinical Neurophysiology (2014) 125, 805-813. doi: 10.1016/j.clinph.2013.06.190. [Download]

  • Valderrama JT, de la Torre A, Alvarez IM, Segura JC, Sainz M, Vargas JL. Recording of auditory brainstem respones at high stimulation rates using randomized stimulation and averaging. Journal of the Acoustical Society of America (2012) 132, 3856-3865. doi: 10.1121/1.4764511. [Download]

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

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

Patents

  • Method for flexible deconvolution of auditory evoked potentials
    • Inventors: de la Torre A, Valderrama JT, Segura JC
      Applicants: University of Granada (Spain), Australian Hearing (Australia)
      Publication number: WO/2020/198787
      Publication date: 08/10/2020
      Application number: PCT/AU2020/050311
      Filing date: 30/03/2020
      Downloads & links: Body, URL

  • Systems and methods for obtaining auditory evoked potentials
    • Inventors: McAlpine D, Valderrama JT, de la Torre A
      Collaborators: Undurraga J, Van Yper L
      Applicants: Macquarie University (Australia), University of Granada (Spain)
      Publication number: WO/2020/000028
      Publication date: 02/01/2020
      Application number: PCT/AU2019/050648
      Filing date: 24/06/2019
      Downloads & links: Body, URL

Preprints

Book chapters

Conference contributions

Organization of scientific events

Scientific revisions

Short stays in foreign institutions

Lay-science divulgation to the general public

TEACHING

SERVICE

AWARDS & NOMINATIONS