Research Topics
| Peter HowellSummaryAffiliation: University College London Country: UK Publications
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Detail Information
Publications
Neural control of rising and falling tones in Mandarin speakers who stutterPeter Howell
Division of Psychology and Language Sciences, University College London, UK Electronic address
Brain Lang 123:211-21. 2012..These results indicated the neural control for the rising tone and the falling tone are affected in PWS. Moreover, whilst both rising and falling tones were affected in PWS, falling-tone control appeared to be affected more...- Neural control of fundamental frequency rise and fall in Mandarin tonesPeter Howell
Division of Psychology and Language Sciences, University College London, London, England, UK
Brain Lang 121:35-46. 2012..The connection from the left insula to the laryngeal motor cortex that differs between rising and falling tones may control whether the rise mechanism is active or not... 
Lexical priming of function words and content words with children who do, and do not, stutterCeri Savage
The Institute of Psychiatry, Kings College London, United Kingdom
J Commun Disord 41:459-84. 2008....- Strength of German accent under altered auditory feedbackP Howell
Department of Psychology, University College London, Gower St, London WC1E 6BT, England
Percept Psychophys 63:501-13. 2001..The findings are discussed in terms of Borden's hypothesis and other accounts about why altered auditory feedback disrupts speech control... - The effects of gated speech on the fluency of speakers who stutterPeter Howell
Department of Psychology, University College London, London, UK
Folia Phoniatr Logop 59:250-5. 2007..Fluency was enhanced (fewer errors were made and time to read a set passage was reduced) when speech was interrupted in this way. The results support the DRH... - A model of serial order problems in fluent, stuttered and agrammatic speechPeter Howell
Department of Psychology, University College London, Gower Street, London WC1E 6BT, England, United Kingdom
Hum Mov Sci 26:728-41. 2007..The model is examined to determine whether it can distinguish two forms of dysfluent speech (stuttered and agrammatic speech) that are characterized by iteration and omission of whole words and parts of words... - Do individuals with fragile X syndrome show developmental stuttering or not? Comment on "Speech fluency in fragile X syndrome" by van Borsel, Dor and RondalPeter Howell
Department of Psychology, University College London, Gower Street, London WC1E 6BT, England
Clin Linguist Phon 22:163-7. 2008..Comparisons with groups of corresponding ages support the opposite conclusion, namely the young speakers with fragile X syndrome show patterns similar to developmental stuttering... - Late childhood stutteringPeter Howell
Department of Psychology, University College London, Gower Street, London WC1E 6BT, England
J Speech Lang Hear Res 51:669-87. 2008..A study was conducted that examined factors that lead children who stutter at around age 8 years to persist in the disorder when they reach age 12 years... - The effects of bilingualism on stuttering during late childhoodP Howell
Division of Psychology and Language Sciences, University College London, London, UK
Arch Dis Child 94:42-6. 2009..To examine stuttering by children speaking an alternative language exclusively (LE) or with English (BIL) and to study onset of stuttering, school performance and recovery rate relative to monolingual speakers who stutter (MONO)... - The University College London Archive of Stuttered Speech (UCLASS)Peter Howell
Division of Psychology and Language Sciences, University College London, London, England
J Speech Lang Hear Res 52:556-69. 2009..An assessment of the strengths and limitations of the recording archive is presented. Finally, some past applications and future research possibilities using the recordings are discussed... - Comparison of acoustic and kinematic approaches to measuring utterance-level speech variabilityPeter Howell
Department of Psychology, University College London, London, England
J Speech Lang Hear Res 52:1088-96. 2009..An experiment is reported that addressed whether STI can be extended to an audio measure of sound pressure of the speech envelope over time that did not need specialized equipment... - Changes in the pattern of stuttering over development for children who recover or persistPeter Howell
Division of Psychology and Language Sciences, University College London, UK
Clin Linguist Phon 24:556-75. 2010..3) The increased proportion of less typical of stuttering characteristics for the recovered children across age was more apparent for one-syllable content words than one-syllable function words... - Behavioral effects arising from the neural substrates for atypical planning and execution of word production in stutteringPeter Howell
University College London, Gower St, London WC1E 6BT, UK
Exp Neurol 225:55-9. 2010..This article discusses the relevance of these findings to behavioral theories that also propose separate planning and execution mechanisms behind stuttering... - Predicting persistence of and recovery from stuttering by the teenage years based on information gathered at age 8 yearsPeter Howell
Division of Psychology and Language Sciences, Cognition, Perception and Brain Research Department, University College London, London, United Kingdom
J Dev Behav Pediatr 32:196-205. 2011..A logistic regression model that classified children as persistent or recovered at the teenage years using stuttering history and symptom information obtained at around age 8 years was constructed and validated... - Comparison of alternative methods for obtaining severity scores of the speech of people who stutterPeter Howell
Department of Cognitive, Perceptual and Brain Sciences, Centre for Human Communications, Division of Psychology and Language Sciences, University College London, London, UK
Clin Linguist Phon 25:368-78. 2011.... - Phonetic complexity and stuttering in SpanishPeter Howell
Department of Psychology, University College London, London, UK
Clin Linguist Phon 21:111-27. 2007..This occurred despite large differences in frequency of usage of these factors. It is concluded that phonetic factors affect stuttering rate irrespective of a speaker's experience with that factor... - Phonetic difficulty and stuttering in EnglishPeter Howell
Department of Psychology, University College London, Gower St, London, UK
Clin Linguist Phon 20:703-16. 2006..This may be established in future work by doing cross-linguistic comparisons to see which factors operate universally. Disfluency on function words in early childhood appears to be responsive to factors other than phonetic complexity... - Function word repetitions emerge when speakers are operantly conditioned to reduce frequency of silent pausesP Howell
Department of Psychology, University College London, England
J Psycholinguist Res 30:457-74. 2001..This hypothesis is tested and confirmed. The results are used to assess the theory and to consider practical applications of this conditioning procedure... - Signs of developmental stuttering up to age eight and at 12 plusPeter Howell
Department of Psychology and Centre for Human Communications, University College London, Gower St, London WC1E 6BT, England, UK
Clin Psychol Rev 27:287-306. 2007..One way DSM-IV-TR deals with the latter is by giving certain classification axes priority over others. The grounds for such superordinacy seem circular as the main role for allowing this appears to be to avoid such ambiguities... - Auditory abilities of speakers who persisted, or recovered, from stutteringPeter Howell
Department of Psychology, University College London, Gower Street, London WC1E 6BT, England
J Fluency Disord 31:257-70. 2006..The purpose of this study was to see whether participants who persist in their stutter have poorer sensitivity in a backward masking task compared to those participants who recover from their stutter... - Timing interference to speech in altered listening conditionsPeter Howell
Department of Psychology, University College London, England
J Acoust Soc Am 111:2842-52. 2002.... - Strength of British English accents in altered listening conditionsPeter Howell
Department of Psychology, University College London, Gower St, London WC 1E 6BT, England
Percept Psychophys 68:139-53. 2006.... - Development of auditory sensitivity in children who stutter and fluent childrenPeter Howell
Department of Psychology, University College London, London, England
Ear Hear 25:265-74. 2004.... - Exchange of disfluency with age from function words to content words in spanish speakers who stutterJames Au-Yeung
University College London, England
J Speech Lang Hear Res 46:754-65. 2003..These patterns are similar to those reported for English. Possible explanations for these similarities across the two languages are discussed... 
Predicting stuttering from phonetic complexity in GermanKatharina Dworzynski
Department of Psychology, Centre for Human Communications, Institute of Cognitive Neuroscience, University College London, Gower Street, London WC1E 6BT, England, UK
J Fluency Disord 29:149-73. 2004....- Genetic etiology in cases of recovered and persistent stuttering in an unselected, longitudinal sample of young twinsKatharina Dworzynski
Department of Psychology, King s College London, Gower Street, London, UK
Am J Speech Lang Pathol 16:169-78. 2007..The contribution of genetic factors in the persistence of and early recovery from stuttering was assessed... - Anxiety in speakers who persist and recover from stutteringStephen Davis
Department of Psychology, University College London, Gower Street, London WC1E 6BT, United Kingdom
J Commun Disord 40:398-417. 2007.... - Non-word reading, lexical retrieval and stuttering: comments on Packman, Onslow, Coombes and Goodwin (2001)James Au-Yeung
Department of Psychology, University College London, Gower Street, London WC1E 6BT, UK
Clin Linguist Phon 16:287-93. 2002..s work does not evaluate such theories. Theoretical issues aside, Packman et al.'s arguments about reading rate and stuttering rate based on reading time is also questionable... - Sociodynamic relationships between children who stutter and their non-stuttering classmatesStephen Davis
Department of Psychology, University College London, UK
J Child Psychol Psychiatry 43:939-47. 2002..The incidence of bullying and rejection reported in this study has implications for schools and clinicians... - Predicting stuttering from linguistic factors for German speakers in two age groupsKatharina Dworzynski
Department of Psychology, University College London, 26 Bedford Way, WC1H 0AP, London, UK
J Fluency Disord 28:95-112; quiz 112-3. 2003.... - Pharmacological agents for developmental stuttering in children and adolescents: a systematic reviewAlexander Boyd
Faculty of Medicine at King s College, University of London, UK
J Clin Psychopharmacol 31:740-4. 2011..All further publications were classified as either very low or low evidence quality. The agents examined were risperidone, olanzapine, clonidine, tiapride, haloperidol, and chlorpromazine... - Testing orofacial abilities of children who stutter: the Movement, Articulation, Mandibular and Sensory awareness (MAMS) assessment procedureSusanne Cook
Division of Psychology and Language Science, University College London, Gower St, London WC1E 6BT, England, United Kingdom
J Fluency Disord 36:27-40. 2011..The new instrument was developed and validated to measure orofacial abilities in a comprehensive manner... - Structural and functional abnormalities of the motor system in developmental stutteringKate E Watkins
Department of Experimental Psychology, University of Oxford, Oxford, UK
Brain 131:50-9. 2008.... - Speech perception in rats: use of duration and rise time cues in labeling of affricate/fricative soundsPhil Reed
University College London
J Exp Anal Behav 80:205-15. 2003..The data from 9 of 10 rats also demonstrated that the rise time of the stimulus was the basis of the discrimination; the remaining rat appeared to use duration... - Cerebellar activity and stuttering: comments on Max and Yudman (2003)Peter Howell
J Speech Lang Hear Res 47:101-4; author reply 105-11. 2004