Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsDouglas Whalen
Assistant Professor Adjunct in the Child Study CenterAbout
Research
Publications
2026
Vibrotactile signals can aid recognition of spectrally degraded speech signals
Nittrouer S, Whalen D, Chen W. Vibrotactile signals can aid recognition of spectrally degraded speech signals. JASA Express Letters 2026, 6: 014402. PMID: 41504603, DOI: 10.1121/10.0042196.Peer-Reviewed Original ResearchConceptsCochlear implant recipientsImprove speech recognitionNoise-vocoded sentencesImplant recipientsSixty-five young adultsSpeech recognitionSpeech signalVibrotactile signalsAuditory stimulationYoung adultsVibrotactile stimulationAuditory groupingOriginal signalStimulationParticipantsSpeechGroupAdultsRecognitionPotential utilityResearch effortsHigh-pass
2025
The L1–L2 acoustic measure as a reliable quantification of the second passaggio transition of professional sopranos
Lissemore R, Shadle C, Roon K, Scherer R, Whalen D. The L1–L2 acoustic measure as a reliable quantification of the second passaggio transition of professional sopranos. The Journal Of The Acoustical Society Of America 2025, 158: a236-a236. DOI: 10.1121/10.0040723.Peer-Reviewed Original ResearchVibrotactile enhancement of Mandarin speech perception for cochlear implant users
Chen W, Whalen D, Chen Y. Vibrotactile enhancement of Mandarin speech perception for cochlear implant users. The Journal Of The Acoustical Society Of America 2025, 158: a407-a407. DOI: 10.1121/10.0041335.Peer-Reviewed Original ResearchCochlear implantationPerception of tonesSpeech perceptionCI usersHearing lossConsonant identificationSevere-to-profound hearing lossPhonological featuresRecognition of lexical tonesCochlear implant usersMandarin speech perceptionCongenital hearing lossRepresentation of fundamental frequencyCI listenersCI devicesCI usageImplant usersAccurate perceptionSpeech intelligibilitySegmental contrastsLexical tonesTonal languageConsonant placeMandarin tonesPitch perceptionProgress in using ultrasound for observing, quantifying and remediating speech articulation
Whalen D, Koenig L, Tiede M. Progress in using ultrasound for observing, quantifying and remediating speech articulation. The Journal Of The Acoustical Society Of America 2025, 158: a194-a194. DOI: 10.1121/10.0040572.Peer-Reviewed Original ResearchArticulatory and acoustic characteristics of devoiced high vowels in Tokyo Japanese
Iwasaki R, Shaw J, Tiede M, Blechman M, Whalen D. Articulatory and acoustic characteristics of devoiced high vowels in Tokyo Japanese. The Journal Of The Acoustical Society Of America 2025, 158: a468-a468. DOI: 10.1121/10.0041555.Peer-Reviewed Original ResearchTokyo JapaneseDevoiced vowelsHigh vowelsNative speakersLingual articulationNative speakers of Tokyo JapaneseHigh vowels /i/Acoustic characteristicsVoiceless obstruentsVowel targetsAcoustic evidenceVowel /i/VowelsTongue contoursTongue positionWord pairsArticulatoryAcoustic resultsAcoustic formantsJapaneseF2 resultsFormantsArticulationVoiceTongueProduction of American English consonants /v/ and /w/ by Hindi speakers of English
Grover V, Shafer V, Campanelli L, Whalen D, Kakadelis S, Levy E. Production of American English consonants /v/ and /w/ by Hindi speakers of English. Journal Of Second Language Pronunciation 2025, 11: 174-212. DOI: 10.1075/jslp.24031.gro.Peer-Reviewed Original ResearchHindi speakersAE speakersAmerican EnglishHindi-English bilingualsSpeakers of EnglishAmerican English consonantsAbstract Previous researchAE listenersEnglish consonantsChance accuracySpeakersHindiAcoustic analysisPrevious researchListener ratingsConsonantsEnglishImmersive experienceBilingualsPhonemeListenersUSParticipantsGroupPlanning competing values of a single phonological feature vs. planning values for multiple features
Roon K, Whalen D. Planning competing values of a single phonological feature vs. planning values for multiple features. Journal Of Memory And Language 2025, 143: 104642. PMID: 40385987, PMCID: PMC12083845, DOI: 10.1016/j.jml.2025.104642.Peer-Reviewed Original ResearchLexical Stress in Mandarin Second-Language Speakers of English: An Electromagnetic Articulography Study.
Kim B, Bishop J, Whalen D. Lexical Stress in Mandarin Second-Language Speakers of English: An Electromagnetic Articulography Study. Journal Of Speech Language And Hearing Research 2025, 68: 839-852. PMID: 39937688, DOI: 10.1044/2024_jslhr-24-00491.Peer-Reviewed Original ResearchConceptsSpeakers of EnglishProduction of lexical stressLexical stressL2 speakersL1 speakersVowel qualitySuprasegmental cuesLingual articulationSegmentation cuesSecond-language speakers of EnglishEnglish L1 speakersEnglish lexical stressAcoustic-articulatory dataSecond languageStressed vowelsUnstressed syllablesFirst languageArticulatory propertiesL2 groupMinimal pairsSpeaker groupsArticulatory realizationArticulatory domainArticulatory cuesSpeakers
2024
Talker variability versus variability of vowel context in training naïve learners on an unfamiliar class of foreign language contrasts
Shejaeya G, Roon K, Whalen D. Talker variability versus variability of vowel context in training naïve learners on an unfamiliar class of foreign language contrasts. Journal Of Phonetics 2024, 107: 101369. DOI: 10.1016/j.wocn.2024.101369.Peer-Reviewed Original ResearchWhat R Mandarin Chinese /ɹ/s? – acoustic and articulatory features of Mandarin Chinese rhotics
Chen S, Whalen D, Mok P. What R Mandarin Chinese /ɹ/s? – acoustic and articulatory features of Mandarin Chinese rhotics. Phonetica 2024, 81: 509-552. PMID: 39279469, PMCID: PMC11449382, DOI: 10.1515/phon-2023-0023.Peer-Reviewed Original ResearchTongue shapeRhotic soundsSyllable positionEffect of syllable positionPhonetic variationPhonetic featuresVowel contextsHigher F2Speech productionArticulatory featuresFricative noiseRhoticsAcoustic differencesMandarinAcoustic featuresPrevocalicLanguageTonguePostvocalicRetroflexVowelsArticulatorySpeakersSoundSpeech