Research Interests
I am interested in
how people are able to produce fluent speech. My research focuses on the
processes of phonological encoding and articulation described by cognitive
theories of spoken word production. I primarily study these processes
by investigating the speech and language impairments that can result from
dementia, stroke, or traumatic brain injury, although some of my research
also involves unimpaired speakers.
Current Teaching
| University
of Sydney |
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PSYC2013 Cognitive, Developmental and Social Psychology |
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PSYC3012 Cognition, Language and Thought (Co-ordinator) |
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PSYC3014 Behavioural and Cognitive Neuroscience |
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Psychology 4 Special Field Neuropsychological Rehabilitation (Co-ordinator) |
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Honours
Supervision |
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| Macquarie
University |
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Masters in Speech
Pathology (Guest Lecturer) |
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PhD Supervision
Power, E (2005) Recognition and expression of pantomime in people with
aphasia and dementia
MA
(Ling) Supervision
Lynn Li Lim (2006) Effect of multiple word productions on articulation in people
with acquired speech sound production disorders
Selected
Publications
Edited book & Journal Issue
|
| Nickels, L A & Croot, K (in press) (Eds) Progressive language impairments: Intervention and Management. Aphasiology Special Issue/Hove UK: Psychology Press (Macquarie Monographs series) |
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| Croot, K., Au, C., & Harper, A. (accepted)Prosodic structure and tongue twister errors. Papers in Laboratory Phonology 10. Accepted Jan 2007. |
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| Croot, K. (in press). Progressive aphasia: Definitions, diagnoses and prognoses. Aphasiology. [download preprint] |
| Croot, K., Nickels, L., Laurence, F. & Manning, M. (in press) Impairment- and activity/participation-directed interventions in proressive language impairment: Clinical and theoretical issues. Aphasiology. [download preprint] [download tables] |
| Taylor, C, Miles-Kingma, R, Croot, K., & Nickels, L (in press) Speech pathology services for primary progressive aphasia: Exploring an emerging area of practice. Aphasiology. [download preprint] |
| Rastle, K., Croot,
K P, Harrington, J M & Coltheart, M (2005) Characterising
the motor execution stage of speech production: Consonantal effects
on delayed naming latency and onset duration. Journal of Experimental
Psychology: Human Perception and Performance, 31(5), 1083-1095. |
Croot, K. (2002)
Diagnosis of AOS: Definition and criteria. In N.Helm-Estabrooks, Ratner,
N. B (Editors in Chief), & M. R. McNeil (Guest Ed.) Apraxia of
Speech: From concept to clinic. Special Issue of, Seminars in Speech
and Language, 23(4), 267-279.
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Baker, E., Croot, K., McLeod, S., & Paul, R. (2001) Psycholinguistic
models of speech development and their application to clinical practice.
The Journal of Speech Language and Hearing Research, 44, 685-702.
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Croot, K. (2001)
Integrating the investigation of apraxic, aphasic and articulatory
disorders in speech production: A move toward sound theory. Commentary
on Varley and Whiteside. Aphasiology, 15, 20-24.
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Harasty, J.A.,
Halliday, G.M., Xuereb, J., Croot, K., Bennet, H. & Hodges, J.R. (2001)
Cortical degeneration associated with phonological and semantic language
impairments in AD. Neurology, 56, 944-950.
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Croot, K. (2000)
Primary progressive aphasia: A tutorial. Acquiring Knowledge in
Speech, Language and Hearing, 2, 90-92.
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Croot, K., Hodges,
J.R., Xuereb, J., & Patterson, K. (2000) Phonological and articulatory
impairment in Alzheimer's disease: A case series. Brain and Language,
75, 277-309.
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Croot, K., Hodges,
J.R., & Patterson, K. (1999) Evidence for impaired sentence comprehension
in early Alzheimer's disease. Journal of the International Neuropsychological
Society, 5, 393-404.
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Croot, K., Patterson,
K., & Hodges, J.R. (1999) Familial progressive aphasia: Insights into
the nature and deterioration of single word processing. Cognitive
Neuropsychology, 16, 705-747.
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Croot, K., Patterson,
K., & Hodges, J.R. (1998) Single word production in non-fluent progressive
aphasia. Brain and Language, 61, 226-273.
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Refereed
Conference Proceedings
|
| Lim, L.L., Croot,
K., Palethorpe, S & Coltheart, M. (2005) The effect of multiple
productions on the single word production of people with acquired
speech sound production difficulties: An analysis of two cases. Academy
of Aphasia, Amsterdam, 23-25 October 2005. Brain and Language, 95(1), 200-201. |
| Croot, K. and
Rastle, K. (2004) Is there a syllabary containing stored articulatory
plans for speech production in English? In Proceedings of
the 10th Australian International Conference on Speech Science and
Technology, Macquarie University, Sydney, 8 - 10 December
2004. Download: PDF (98kB)
|
| Kessler, T.,
Croot, K., & Togher, L. (2001). Strategies to facilitate communication
with a person with Dementia of the Alzheimer Type. In L Wilson &
S Hewat (Eds), Proceedings of the 2001 Speech Pathology Australia
National Conference, Melbourne, 20-23 May, 2001, pp 27- 34. |
| Croot, K. (2000)
Can a model with gestural phonological representations account for
acquired phonological and articulatory impairments? Two case studies.
The Asia Pacific Journal of Speech, Language and Hearing,
5, 113-121. |
| Baker, E., Croot,
K., van Doorn, J. & Reed, V. (1999) In search of a sound theory:
Investigating articulation and phonology. Proceedings of Towards
2000, The Speech Pathology Australia National Conference,
May 1999, Sydney, Australia, pp. 29-36. |
| Croot, K. (1999)
An acoustic analysis of articulatory impairment in a case of non-fluent
progressive aphasia. Academy of Aphasia, Venice, November 1999. Brain
and Language, 69, 352-355. |
| Croot, K. (1998)
An acoustic analysis of vowel production across tasks in a case of
non-fluent progressive aphasia. Proceedings of the Fifth International
Conference on Spoken Language Processing, December, 1999,
Sydney, Australia, pp. 907-910. |
| Croot, K., Patterson,
K. & Hodges, J. R. (1996). Phonological disruption in atypical
Dementia of the Alzheimer's Type. Brain and Cognition,
32, 186-190. |
| Patterson, K.,
Croot, K. & Hodges, J. R. (1994). Speech production: Insights
from a study of progressive aphasia. Proceedings of the 1994
Conference on Spoken Language Processing (pp. 755-758). Tokyo:
Acoustical Society of Japan. |
| Croot, K., Fletcher,
J. & Harrington, J. (1992). Levels of segmentation and labelling
in the Australian National Database of Spoken Language. Proceedings
of the Fourth Australian International Conference on Speech Science
and Technology. Brisbane, Australia, pp.86-90. |
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Published
Abstracts
|
| Smith, D. & Croot, K. (2006) Visual speech contributions to learning an unfamiliar language contrast. 33rd Australian Experimental Psychology Conference, Brisbane, April 21-23, 2006. Australian Journal of Psychology, 58 (suppl 1), p. 90. |
| Croot, K., Palethorpe, S, Stephenson, L., Tree, J., Deacon, B (2006) Production of unstressed vowels in foreign accent syndrome: An index of atypical coarticulation or atypical articulatory tension? 15th Australian Language and Speech Conference, 15-16 December, 2005, Sydney. Australian Journal of Psychology, 58 (suppl 1), p. 5. |
Kessler, T, Croot,
K, & Togher, L (2002). Recommended strategies for facilitating
communication with people with dementia: Do spouses use them, do they
know they use them, and how easy is it to know whether they help?
The 10th International Aphasia Rehabilitation Conference: Past, Present
and Future. Brisbane, Australia, 24-27 July 2002. Brain Impairment,
3, 166.
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Laurence, F,
Manning, M & Croot, K (2002) Impairment-based interventions in
primary progressive aphasia: Theoretical and clinical issues. The
10th International Aphasia Rehabilitation Conference: Past, Present
and Future. Brisbane, Australia, 24-27 July 2002. Brain Impairment,
3, 157-158. Download handout
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Croot, K, Palethorpe,
S., & Crofts, B. (2002) , Effects of speech elicitation task on phonological
and phonetic processing in three people with impaired speech sound
production, Australian Journal of Psychology, 54, 51.
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Croot, K., &
Rastle, K. (2001) , Apraxia of speech: Theoretical and clinical considerations
in diagnosis, Australian Journal of Psychology, 179.
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Kessler, T.,
Croot, K., & Togher, L. (2001) , Strategies to facilitate communication
with a person with Dementia of the Alzheimer Type. In L Wilson & S
Hewat (Eds), Proceedings of the 2001 Speech Pathology Australia
National Conference, 27- 34.
|
Rastle, K, Harrington,
J & Croot, K (2001) , Effects of initial phoneme on naming latency:
Where do they come from?, Australian Journal of Psychology,
185.
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Unpublished
Conference Presentations |
| Croot, K. & Nickels, L (2007) Interventions in semantic dementia and progressive aphasia: Clinical and theoretical issues. British Aphasiology Society 2007 Biennial Conference, Edinburgh, 10-12 September 2007. |
| Croot, K., Au, C., & Harper, A. (2006) Prosodic structure and tongue twister errors. 10th Conference on Laboratory Phonology, Paris, 29 June – 1 Jul 2006. |
| Croot, K., Palethorpe, S., Tree, J., Rastle, K., Deacon, B., Brunsdon, R., Bakker, K (2006) Pediatric foreign accent syndrome: A single case study Clinical & Research Perspectives in Developmental Neuropsychology, Sydney, 30-31 March 2006. |
| Croot, K., Palethorpe, S., Tree, J., Rastle, K., Stephenson, L., Deacon, B., Brunsdon, R., Bakker, K (2006) What is the nature of the motor speech disorder in foreign accent syndrome? International Conference on Speech Motor Control, Nijmegen, June 7-10 2006. |
| Croot, K., van Heyst, J., Deacon, B., & Law, S. (2006) Impairment-based therapy for apraxia of speech: A single case study. Clinical Aphasiology Conference, Ghent, 29 May-2 June 2006. |
| Croot, K., Tree,
J., Palethorpe, S., Rastle, K., Deacon, B., Molloy, N., Brunsdon,
R., Bakker, K., Kay, J., Palethorpe, S (2004) What is the nature of
the disorder in Foreign Accent Syndrome? Poster presented at From
Sound to Sense: 50+ years of Discoveries in Speech Communication.
Cambridge, MA, USA. 11 – 13 June 2004. |
| Croot, K., Tree,
J., Rastle, K., Deacon, B., Molloy, N., Brunsdon, R., Bakker, K.,
Kay, J., Palethorpe, S (2004) What is the nature of the disorder in
Foreign Accent Syndrome? Paper presented at the World Federation
of Neurology Research Group on Aphasia and Cognitive Disorders Conference.
Cambridge, England. 30 June - 2July 2004. |
| Palethorpe, S,
Croot, K, Molloy, N, Gibbon, F, Harrington, J (2003) An electropalatographic
investigation of sibilant production by children with repaired cleft
palate. 6th International Seminar on Speech Production,
Sydney 7-10 December 2003 |
| Rastle, K., Croot,
K., Molloy, N., Palethorpe, S., Brunsdon, R. & Bakker, K. (2003)
A single-case investigation of an acquired “American”
accent following traumatic brain injury. Experimental Psychology
Society, Exeter, UK, 10-11 April 2003. |
| Croot, K., Molloy,
N., Rastle, K., Palethorpe, S., Brunsdon, R. & Bakker, K. A single-case
investigation of an acquired American accent (foreign accent syndrome)
following traumatic brain injury. 2nd Australian Conference
for Cognitive Neuropsychology and Cognitive Neuropsychiatry,
Macquarie University, July 12-13, 2002. |
| Croot, K., Molloy,
N., Rastle, K., Palethorpe, S., Brunsdon, R. & Bakker, K. (2002)
A single case investigation of Foreign Accent Syndrome following traumatic
brain injury: implications for cognitive models of speech production.
9th Australian International Conference on Speech Science
and Technology, Melbourne, 3-5 December 2002. |
| Power. E, Sheard,
C., Croot, K., & Code, C. Important issues in pantomimed gesture
and aphasia: Evidence from case studies. Journey from the
Centre: Speech Pathology Australia National Conference, Alice
Springs, 20 - 23 May, 2002. |
| Croot, K. Task
effects in single word production. 9th Annual Aphasiology
Symposium of Australia, Adelaide, 21-22 September, 2001. |
| Power. E., Sheard,
C., Code, C., & Croot, K. Insights into the semantics of gesture
in subjects with aphasia. Biennial International Conference
of the British Aphasiology Society, Exeter, 13-15 September,
2001. |
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Colloquia,
Seminars and Workshops |
| Croot, K (2007) What have we learned about speech motor control from studies of Foreign Accent Syndrome? Institute for Phonetic Sciences, Ludwig Maximillians Universitaet, Munich, 28 November 2007
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| Croot, K. Au, C & Harper, A(2007) How the quick-witted cricket critic is articulate: A tongue twister study of prosodic and segmental encoding in speech production. Research Seminar, EKN (Entwicklungsgruppe Klinische Neuropsychologie - Clinical Neuropsychology Research Group), Clinic for Neuropsychology, Klinikum Bogenhausen, City Hospital Munich GmbH. 12 November 2007. |
| Croot, K. Au, C & Harper, A(2007) How the quick witted cricket critic is articulate: A tongue twister study of prosodic and segmental encoding in speech production. Research Seminar, Macquarie Centre for Cognitive Science, Macquarie University, Sydney. 31 July 2007. |
| Croot, K. (2007) Speech pathology interventions in semantic dementia and progressive aphasia. Acquired Neurogenic Communication Interest Group Meeting, Royal Rehabilitation Centre Sydney, 19 June 2007. |
| Croot, K. (2007) Clinical differentiation between aphasia and dementia. Sydney West Area Health Service Seminar, Westmead Hospital Sydney, 16 May 2007. |
| Croot, K (2006) Communication in dementia. Professional Update for nursing staff, Coolah Hospital NSW, 6 October 2006. |
| Croot, K (2006) How the quick-witted cricket critic is articulate: Using tongue twisters to understand speech production. Research Colloquium, School of Psychology, University of Sydney, 12 May 2006. |
| Croot, K. (2005) Progress in understanding foreign accent syndrome. Research Colloquium, School of Psychology, University of Sydney |
| Croot, K (2005)
Progress in understanding Foreign accent syndrome. Neuropsychology
Seminar, Royal Price Alfred Hospital, Sydney, 22 September
2005 |
| Van Heyst, J
& Croot, K (2005) Impairment-based therapy for apraxia of speech:
A single case study. Aphasia Research Day, Royal Rehabilitation
Centre, Sydney, 13 September 2005 |
| Croot, K (2005)
Progress in understanding Foreign accent syndrome. Psychology
Research Colloquium, University of Sydney, 20 May 2005 Download
handout |
| Croot, K (2005)
Progress in understanding Foreign accent syndrome. Aphasia
Research Day, Royal Rehabilitation Centre, Sydney, 13
September 2005 Download handout |
| Croot, K. (2004)
Progress in the diagnosis & treatment of acquired apraxia of speech.
South Western Sydney Area Health Service Speech Pathology
Update, 6 October 2004. |
| Croot, K. (2004)
Thinking before speaking: Insights into brain and language. Speech
Symposium, Westmead Hospital, Sydney, 25 August 2004. |
| Croot, K., Tree,
J., Rastle, K., Deacon, B., Molloy, N., Brunsdon, R., Bakker, K.,
Kay, J., Palethorpe, S (2004) What is the nature of the disorder in
Foreign Accent Syndrome? Cognitive Disorders Seminar,
Exeter University, England, 24 June 2004. |
| Croot, K (2004)
What is the nature of the disorder in Foreign Accent Syndrome? Speech
Pathology Department Inservice, St George
Hospital Sydney, 6 May 2004. |
| Croot, K., Molloy,
N., Rastle, K., Palethorpe, S., Brunsdon, R. & Bakker, K. (2003)
A single-case investigation of an acquired American accent (foreign
accent syndrome) following traumatic brain injury. Department
of Linguistics, University of Sydney, October 2003. |
| Croot, K., Molloy,
N., Rastle, K., Palethorpe, S., Brunsdon, R. & Bakker, K. (2003)
A single-case investigation of an acquired American accent (foreign
accent syndrome) following traumatic brain injury. Memory
and Knowledge Research Group Seminar, MRC Cognition and Brain Sciences
Unit, Cambridge, England, June 2003. |
| Croot, K. Apraxia
of speech and developmental apraxia: Models of phonological and articulatory
processing. Speech Pathology Department, Flinders
University, Adelaide, April 08, 2002. |
| Croot, K. Apraxia
of Speech Update. South Eastern Sydney Area Health Service
Adult Speech Pathology Professional Development Programme,
St George Hospital, Sydney, October 24, 2002. |
| Croot, K. Communication
Disruptions in Dementia of the Alzheimer Type and Primary Progressive
Aphasia: Impairment-, and Activity/Participation-based Interventions.
Speech Pathology Australia Neurology Focus day, Sydney,
November 09, 2002. |
Croot, K.
Communication interventions in dementia. South Eastern Sydney
Area Health Service Adult Speech Pathology Professional Development
Programme, Prince of Wales Hospital, Sydney, February 28,
2002. |
Croot, K.
Communication interventions in dementia. Aged Care Psychiatry
unit, Prince of Wales Hospital, Sydney, May 22, 2002. |
Croot, K.
Non-fluent progressive aphasia. Speech Pathology Seminar
Series, Flinders University, Adelaide, April 04, 2002.
|
Croot, K.
Some psycholinguistic and speech motor control models of speech
production. Speech Postgraduate Seminar, Macquarie
University, May 06, 2002. |
Croot, K.
The Functional Neuroanatomy of Language and Speech: What do we know
in the 21st Century that Broca and Wernicke didn't tell us a hundred
years ago?. Speech Pathology Australia Neurology Focus day,
Sydney, November 09, 2002. |
Croot, K.
Non-fluent progressive aphasia. Psychology Department Colloquium,
University of Sydney, November 16, 2001. |
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PhD
Thesis
Download
Thesis
Awards
and Grants
| 2004 |
The University of Sydney SESQUI New Staff Support Scheme $24000 |
| 2003 |
British Academy
Visiting Fellowship
Visiting Fellowship at Department of Psychology, Royal Holloway University
of London (sponsor: Dr Kathleen Rastle) |
| 2001-2004 |
ARC Australian
Postdoctoral Fellowship |
| 2001 |
Macquarie University
Research Grants Scheme $5760 |
| 2001 |
Macquarie University
Research Grants Scheme $2448 (Rastle & Croot) |
| 1993-1997 |
Cambridge/Packer
Australian Scholarship, Cambridge Commonwealth Trust Australia. |
| 1993-1996 |
Overseas Research
Students (ORS) Award
Committee of Vice Chancellors and Principals of the Universities of
the United Kingdom |
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