Peter Howell

Summary

Affiliation: University College London
Country: UK

Publications

  1. doi request reprint Screening school-aged children for risk of stuttering
    Peter Howell
    Division of Psychology and Language Science, University College London, Gower St, London WC1E 6BT, England, United Kingdom
    J Fluency Disord 38:102-23. 2013
  2. doi request reprint Neural control of rising and falling tones in Mandarin speakers who stutter
    Peter Howell
    Division of Psychology and Language Sciences, University College London, UK
    Brain Lang 123:211-21. 2012
  3. doi request reprint Neural control of fundamental frequency rise and fall in Mandarin tones
    Peter Howell
    Division of Psychology and Language Sciences, University College London, London, England, UK
    Brain Lang 121:35-46. 2012
  4. pmc Lexical priming of function words and content words with children who do, and do not, stutter
    Ceri Savage
    The Institute of Psychiatry, Kings College London, United Kingdom
    J Commun Disord 41:459-84. 2008
  5. pmc Strength of German accent under altered auditory feedback
    P Howell
    Department of Psychology, University College London, Gower St, London WC1E 6BT, England
    Percept Psychophys 63:501-13. 2001
  6. pmc A model of serial order problems in fluent, stuttered and agrammatic speech
    Peter Howell
    Department of Psychology, University College London, Gower Street, London WC1E 6BT, England, United Kingdom
    Hum Mov Sci 26:728-41. 2007
  7. pmc Do individuals with fragile X syndrome show developmental stuttering or not? Comment on "Speech fluency in fragile X syndrome" by van Borsel, Dor and Rondal
    Peter Howell
    Department of Psychology, University College London, Gower Street, London WC1E 6BT, England
    Clin Linguist Phon 22:163-7. 2008
  8. pmc Late childhood stuttering
    Peter Howell
    Department of Psychology, University College London, Gower Street, London WC1E 6BT, England
    J Speech Lang Hear Res 51:669-87. 2008
  9. pmc The effects of bilingualism on stuttering during late childhood
    P Howell
    Division of Psychology and Language Sciences, University College London, London, UK
    Arch Dis Child 94:42-6. 2009
  10. pmc 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

Detail Information

Publications39

  1. doi request reprint Screening school-aged children for risk of stuttering
    Peter Howell
    Division of Psychology and Language Science, University College London, Gower St, London WC1E 6BT, England, United Kingdom
    J Fluency Disord 38:102-23. 2013
    ..The best model for distinguishing children who stutter (CWS) from fluent children was validated across a wide range of ages...
  2. doi request reprint Neural control of rising and falling tones in Mandarin speakers who stutter
    Peter Howell
    Division of Psychology and Language Sciences, University College London, UK
    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...
  3. doi request reprint Neural control of fundamental frequency rise and fall in Mandarin tones
    Peter 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...
  4. pmc Lexical priming of function words and content words with children who do, and do not, stutter
    Ceri Savage
    The Institute of Psychiatry, Kings College London, United Kingdom
    J Commun Disord 41:459-84. 2008
    ..2002). The EXPLAN theory of fluency control and the diagnosis of stuttering. In E. Fava (Ed.), Current issues in linguistic theory series: Pathology and therapy of speech disorders (pp. 75-94). Amsterdam: John Benjamins]...
  5. pmc Strength of German accent under altered auditory feedback
    P 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...
  6. pmc A model of serial order problems in fluent, stuttered and agrammatic speech
    Peter 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...
  7. pmc Do individuals with fragile X syndrome show developmental stuttering or not? Comment on "Speech fluency in fragile X syndrome" by van Borsel, Dor and Rondal
    Peter 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...
  8. pmc Late childhood stuttering
    Peter 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...
  9. pmc The effects of bilingualism on stuttering during late childhood
    P 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)...
  10. pmc 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
    ..This research note gives details of 2 releases of audio recordings available from speakers who stutter that can be accessed on the Web...
  11. pmc Comparison of acoustic and kinematic approaches to measuring utterance-level speech variability
    Peter 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...
  12. ncbi request reprint Changes in the pattern of stuttering over development for children who recover or persist
    Peter 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...
  13. pmc Behavioral effects arising from the neural substrates for atypical planning and execution of word production in stuttering
    Peter 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...
  14. doi request reprint Predicting persistence of and recovery from stuttering by the teenage years based on information gathered at age 8 years
    Peter 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...
  15. pmc Comparison of alternative methods for obtaining severity scores of the speech of people who stutter
    Peter 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
    ....
  16. pmc The effects of gated speech on the fluency of speakers who stutter
    Peter 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...
  17. pmc Phonetic complexity and stuttering in Spanish
    Peter 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...
  18. pmc Development of auditory sensitivity in children who stutter and fluent children
    Peter Howell
    Department of Psychology, University College London, London, England
    Ear Hear 25:265-74. 2004
    ....
  19. pmc Strength of British English accents in altered listening conditions
    Peter Howell
    Department of Psychology, University College London, Gower St, London WC 1E 6BT, England
    Percept Psychophys 68:139-53. 2006
    ....
  20. pmc Auditory abilities of speakers who persisted, or recovered, from stuttering
    Peter 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...
  21. pmc Signs of developmental stuttering up to age eight and at 12 plus
    Peter 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...
  22. pmc Function word repetitions emerge when speakers are operantly conditioned to reduce frequency of silent pauses
    P 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...
  23. pmc Timing interference to speech in altered listening conditions
    Peter Howell
    Department of Psychology, University College London, England
    J Acoust Soc Am 111:2842-52. 2002
    ....
  24. pmc Phonetic difficulty and stuttering in English
    Peter 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...
  25. pmc Exchange of disfluency with age from function words to content words in spanish speakers who stutter
    James 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...
  26. ncbi request reprint Predicting stuttering from phonetic complexity in German
    Katharina 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
    ....
  27. doi request reprint Stuttering severity, psychosocial impact and lexical diversity as predictors of outcome for treatment of stuttering
    Susanne Cook
    Division of Psychology and Language Science, University College London, Gower St, London WC1E 6BT, England, United Kingdom
    J Fluency Disord 38:124-33. 2013
    ..The factors examined were stuttering severity, lexical diversity measured by Type Token Ratio, and psychosocial impact of stuttering on the child's life...
  28. pmc Genetic etiology in cases of recovered and persistent stuttering in an unselected, longitudinal sample of young twins
    Katharina 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...
  29. ncbi request reprint Procedures used for assessment of stuttering frequency and stuttering duration
    Leanne Jani
    Department of Cognitive, Perceptual and Brain Sciences, University College London, London, UK
    Clin Linguist Phon 27:853-61. 2013
    ....
  30. ncbi request reprint Anxiety in speakers who persist and recover from stuttering
    Stephen Davis
    Department of Psychology, University College London, Gower Street, London WC1E 6BT, United Kingdom
    J Commun Disord 40:398-417. 2007
    ....
  31. pmc 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...
  32. doi request reprint Recurrent involuntary imagery in people who stutter and people who do not stutter
    Helen Tudor
    Division of Psychology and Language Sciences, University College London, Gower Street, London WC1E 6BT, United Kingdom
    J Fluency Disord 38:247-59. 2013
    ..To compare intrusive memories in groups of people who do (PWS), and who do not (PWNS), stutter...
  33. pmc Sociodynamic relationships between children who stutter and their non-stuttering classmates
    Stephen Davis
    Department of Psychology, University College London, UK
    J Child Psychol Psychiatry 43:939-47. 2002
    ....
  34. ncbi request reprint Predicting stuttering from linguistic factors for German speakers in two age groups
    Katharina Dworzynski
    Department of Psychology, University College London, 26 Bedford Way, WC1H 0AP, London, UK
    J Fluency Disord 28:95-112; quiz 112-3. 2003
    ..With children, only the word-length factor was significant, and stuttering rate was not governed to the same extent by overall word difficulty. Conclusions are drawn as to the effect of linguistic and motor influences on stuttering...
  35. doi request reprint Pharmacological agents for developmental stuttering in children and adolescents: a systematic review
    Alexander 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...
  36. doi request reprint Testing orofacial abilities of children who stutter: the Movement, Articulation, Mandibular and Sensory awareness (MAMS) assessment procedure
    Susanne 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...
  37. pmc 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
  38. pmc Structural and functional abnormalities of the motor system in developmental stuttering
    Kate E Watkins
    Department of Experimental Psychology, University of Oxford, Oxford, UK
    Brain 131:50-9. 2008
    ....
  39. pmc Speech perception in rats: use of duration and rise time cues in labeling of affricate/fricative sounds
    Phil 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...