"Time processing in dyscalculia" by
Marinella Cappelletti, Elliot D. Freeman & Brian L. Butterworth
Frontiers in Psychology. Vol 2: Article 364.
(PDF). (20th December 2011).
"Numeracy Skills in Patients With Degenerative Disorders
and Focal Brain Lesions: A Neuropsychological Investigation"
by Cappelletti, M., Butterworth, B., & Kopelman, M. in
Neuropsychology. Volume 64: Issue 11.
(PDF). (28th November 2011).
"Mapping Numerical Magnitudes Along the Right Lines:
Differentiating Between Scale and Bias" by
Vyacheslav Karolis, Teresa Iuculano, and Brian Butterworth
in Journal of Experimental Psychology: General. Vol 140: 4
(PDF). (November 2011).
"Basic Numerical Capacities and Prevalence of
Developmental Dyscalculia: The Havana Survey" by Vivian Reigosa-Crespo, Mitchell Valdés-Sosa,
Brian Butterworth, Nancy Estévez, Marisol
Rodríguez, Elsa Santos, Paul Torres, Ramón Suárez,
& Agustín Lage in
Vol 47: 10.1037: a0025356: 1 - 13. (PDF). (12th September 2011).
"Neural basis of mathematical cognition" by Brian
Butterworth & Vincent Walsh in
Vol 21: 16: R618-R621. (PDF). (23rd August 2011).
"Specialization in the human brain: the case of numbers" by Roi Cohen Kadosh,
Bahador Bahrami,Vincent Walsh, Brian Butterworth, Tudor Popescu & Cathy J. Price in
Frontiers in Human Neuroscience
Volume 5 Article 62 Pages 1 - 9. (PDF) . (11th July 2011).
"Low numeracy and dyscalculia: identification and intervention " by Brian
Butterworth & Diana Laurillard
in ZDM Mathematics Education. Volume 42: Number 6: Pages
527- 539. (PDF) (18th June 2011).
"Dyscalculia: From Brain to Education" by Brian
Butterworth, Sashank Varma & Diana Laurillard
in Science Magazine. Vol 332: Number 6033: Pages 1049 - 1053.
(PDF). (27th May 2011).
"Is dyscalculia as serious as dyslexia?" with Brian
Butterworth & Marcus Du Sautoy
on the Today Programme. BBC Radio 4.
(27th May 2011).
"Bad at numbers: what's the brain got to with it?" by Brian Butterworth
lecture at Institute of Education, University of Reading with introduction by Andy Goodwyn. (22nd March 2011).
"That Does Not Compute: the hidden affliction of
dyscalculia" with Brian Butterworth et al
on "All in the Mind", presented by Natasha Mitchell. (mp3). Additional
interview with Brian Butterworth (mp3). All in the Mind Blog: Numbers (29th January 2011).
"Updating Working Memory and arithmetical attainment in school" by
Teresa Iuculano,, Raffaella Moro & Brian Butterworth
Learning and Individual Differences . 21 (2011) 655 - 661.
(PDF). (10th December 2010).
"Dyscaculia Guidance" by Brian Butterworth & Dorian
Yeo, 2004, published in Swedish as
"Dyskalkyli - Att hjälpa elever med specifika matematiksvårigheter."
"Helping Poor Maths Learners Is Helping All of Us" by Brian Butterworth
Point". Refers again to OECD Report, "The High Cost of Low
Educational Performance". PDF
(2MB) (6th December 2010).
"Numbers in the Brain:" A Meeting in honour of Professor Brian
Programme. Lecture Theatre, Clinical Neuroscience
Building, 33 Queen Square, London WC1. "Representations of number in the
"The role of the language systems in the brain in the development of the concept of
number". (26th & 27th November 2010).
Brian Butterworth interviewed by Rebecca Pike on BBC Radio 2's "Simon
Mayo Drivetime" (mp3 extract). (18th November 2010).
"Learn maths to boost the economy, scientist advises,"
by Laura Roberts in Daily
Telegraph. Refers to OECD Report on "The High Cost of Low
Educational Performance". PDF
(2MB) (18th November 2010).
Brian Butterworth appears on BBC Radio 4's "Best of
News with Adam Shaw" (mp3 extract). (18th November 2010).
"Foundational numerical capacities and
the origins of dyscalculia" by Brian Butterworth
in "Trends in Cognitive Sciences
Special Issue: Space, Time and Number" XX (2010) 1 - 8 (300k) (25th
"Low numeracy and dyscalculia: identification and intervention" by Brian
Diana Laurillard in "ZDM Mathematics
Education" (2010) 42: 527 - 539 (500k) (18th June 2010).
Brian Butterworth letter in Financial Times
(registration required) "Counting
the cost of difficulty with numbers". See also PDF Version for reference. (22nd May 2010).
Brian Butterworth & Antony Gormley in "Just Trial and Error", a film by Alex Gabbay, shown at
the London International Documentary Festival. Trailer on YouTube. (7th May 2010).
Brian Butterworth appears on BBC Radio 4's "Inside the
Brain of a Five-Year Old" : (mp3). (29th March 2010).
"A Candidate for the Attentional Bottleneck:
Set-size Specific Modulation of the Right
TPJ during Attentive Enumeration" by Petra Vetter, Brian Butterworth,
& Bahador Bahrami in "Journal of Cognitive Neuroscience" X: Y:
Pages 1 - 9 (250k) (29th March 2010).
"Time and numerosity estimation are independent: Behavioral evidence for
two different systems using a conflict paradigm " by Christian
Agrillo, Ashish Ranpura, &
Brian Butterworth in "Cognitive Neuroscience": 2010 iFirst: Pages
1 - 6 (324k) (15th March 2010).
Brian Butterworth appears on BBC 1's "The One
Show" in feature on Dyscalculia (21st January 2010).
"Unconscious Numerical Priming Despite Interocular Suppression"
by Bahador Bahrami, Petra Vetter, Eva Spolaore, Silvia Pagano, Brian
Geraint Rees in "Psychological Science" 2010 21: Pages
224 - 233 (500k) Online version. See also Supplementary Material (19th January 2010).
Brian Butterworth tests Lenny Henry for Dyscalculia on
BBC Radio 4's "What's So Great About ... ? Maths" Series 2 : (mp3). (9th January 2010).
"The impact of visuo-spatial number forms on simple
arithmetic" by Jamie Ward, Noam Sagiv &
Brian Butterworth in "Cortex" 45: 10 Pages 1261 - 1265 (160k) (2009).
"Contribution of frontal cortex to the spatial representation
of number" by Elena Rusconi, Domenica Bueti, Vincent Walsh &
in "Cortex" XXX Research Report: Pages
1261 - 1265 (980k) (in press).
Brian Butterworth on
BBC World Service's "Discovery: "Numbers That Made the World:
Episode 2" :
(mp3 extract). (9th
Brian Butterworth on
BBC2's "Horizon": "Who Do You Want Your Child To Be?" : (mov extract) (18th
"Verbal counting and spatial strategies in numerical tasks: Evidence from indigenous Australia"
by Brian Butterworth & Robert Reeve in special issue of "Philosophical
Psychology" on Knowledge of number and knowledge of language, edited by
Helen de Cruz and Pierre Pica: 21: 443- 457. (500k) (2008).
Why some people can't put two and two together by Laura Spinney in
New Scientist: Number 2692.
(24th January 2009).
Easy As 1, 2, 3. People Come into the World Ready to Count Its Wonders
in The Economist.
PDF Version for reference
(30th December 2008).
Modulating Attentional Load Affects Numerosity
Estimation: Evidence against a Pre-Attentive Subitizing
Mechanism by Petra Vetter, Brian Butterworth & Bahador Bahrami
in PLoSOne: Vol 3: 9 (e
3269) pp. 1 - 6.
(250 k). From
Open Access (September, 2008).
interview on whether recent Australian experiments indicate that numbers are wired into human brain on
"The Science Show" (mp3) (27th September 2008).
Numerical thought with and without words: Evidence
from indigenous Australian children by Brian Butterworth, Robert Reeve,
Fiona Reynolds, & Delyth Lloyd
Proceedings of the
National Academy of Sciences (10.1073 PNAS
080604510) Vol 105: No 35: Pages 13179 - 13184
(1.6MB) & Supporting Information (100k). PNAS Website. (2nd September 2008).
Number forms in the brain by Joey Tang, Jamie Ward & Brian Butterworth
Journal of Cognitive Neuroscience 20:9, pp.
1547 - 1556.
(200 k) (September, 2008).
Human Brain Has 'Built-In' Counting Skill by ANI:
OneIndia. (20th August 2008).
The mathematician inside all of us:
New Scientist. (20th August 2008).
Brain's counting skill "built-in":
BBC News. (19th August 2008).
Does language determine thought?
Nature. (19th August 2008).
Research using Aborigines makes maths breakthrough by Andrew Trounson in
The Australian. (19th August 2008).
Researchers Say Numbers Aren't Needed To Count,
by Randolph E. Schmid, AP Science Writer, in
USA Today. (18th August 2008).
Numbers come before language, says study, by Brandon Keim:
Wired. Also You don't need to count to be a maths genius. (18th August 2008).
We are natural born mathematicians by Roger Highfield in
Daily Telegraph. (18th August 2008).
'Number blindness' more common than dyslexia by Steve Connor in
The Independent. (8th June 2008).
Maths disability more common than dyslexia by Richard Gray in
The Sunday Telegraph. (7th June 2008).
One in 20 may suffer effects of 'number blindness' by Fiona MacCleod in
The Scotsman. (15th April 2008).
Vivienne Parry interviews Brian Butterworth on BBC Radio 4
"Am I Normal?" Programme 3:
Maths. (30 minutes) (mp3) (18th March 2008).
Brian Butterworth: Selected Works: UK &
US Version (700k) (May, 2008).
Why frequencies are natural by Brian Butterworth in
Behavioral and Brain Sciences (2007) 303: 259.
A case of selective impairment of encyclopaedic
numerical knowledge or 'when December 25th
is no longer Christmas day, but '20
+ 5' is still 25' by Marinella Cappelletti,
Ashok Jansari, Michael Kopelman & Brian Butterworth in
Cortex 44 : 325 - 336 (400 k) (23rd December, 2007).
Functional optical signal analysis: a software tool
for near-infrared spectroscopy data processing
incorporating statistical parametric mapping by Peck H. Koh, Daniel E.
Glaser, Guillaume Flandin, Stefan Kiebel, Brian Butterworth, Atsushi Maki,
David T. Delpy & Clare E. Elwell in
Journal of Biomedical Optics 12 (6) 064010 -
064011 - 064010 - 064013 (1 MB) (November to December, 2007).
Radio 4's More or Less on comparison between human and chimpanzee
skills with numbers, featuring Brian Butterworth and Test.
[chimpanzee sections in mp3] (6.5 MB)
[entire programme in realaudio]
(23rd April 2007).
Dissociations in numerical abilities revealed by progressive cognitive decline
in a patient with semantic dementia by Marinella Cappelletti, Michael D.Kopelman, John Morton & Brian Butterworth in
Cognitive Neuropsychology 22 (7): 771 - 793
"A lesson in maths" by "Sybil" on brain and maths ability
according to Brian Butterworth in firstname.lastname@example.org (13th March 2007).
The responses of students and teachers to maths disabilities in the
classroom by Anna Bevan & Brian Butterworth: Draft of 7th December 2002 (600k) (February, 2007).
Brian Butterworth: Selected Works: UK &
US Version (700k) (February, 2007).
Interview with Brian
Butterworth in Understanding the Teenage Brain [mp3]
BBC World Service: Discovery (3rd December 2006.)
Bodil Andersson's English Language Interview with Brian
Dislexi Aktuellt on läs-och skrivsvårigheter:
Årgång 11: Nr. 2: 4 - 6 (2.5 MB) (2006.)
Brian Butterworth Chapter on Mathematical expertise. In K. A. Ericsson's (Ed.),
Cambridge Handbook of Expertise and Expert
Performance. (pp. 553-568) Cambridge: Cambridge University Press (150k) (2006).
Exact and approximate judgements of visual and auditory numerosity: an
fMRI study by Manuela Piazza, Andrea Mechelli,
Cathy J. Price & Brian Butterworth in
Brain Research 1106: 177 - 188
(200k) (in press).
The Understanding of Quantifiers in Semantic Dementia:
A Single-Case Study by Marinella Cappelletti, Brian Butterworth
& Michael Kopelman in Neurocase 12: 136 -
145 (150k) (2006).
Are numerical impairments syndrome specific? Evidence from Williams
syndrome and Down's
syndrome by Sarah J. Paterson, Luisa Girelli, Brian Butterworth &
Annette Karmiloff-Smith in Journal of Child Psychology and
Psychiatry 47: 2: 190 - 204 (400k) (2006).
Imaging Informational Conflict: A Functional Magnetic Resonance Imaging Study of
Numerical Stroop by J. Tang, H. D. Critchley, D. E. Glaser, R. J. Dolan,
and B. Butterworth in Journal of Cognitive Neuroscience
18: 12: 2049 - 2062 (400k) (2006).
What is the relationship between synaesthesia and visuo-spatial number forms?
by Noam Sagiv, Julia Simner James Collins, Brian Butterworth &
Jamie Ward in Cognition 101: 114 - 128
Google Custom Search Facility installed (25th October 2006).
Robyn Willams interview about "How brains process sounds and do maths" on
"The Science Show" (August, 2006) [mp3].
"Inside story: dyscalculia" by Hilary Freeman: on dyscalculia test
under Brian Butterworth in The Times (10th June 2006).
"Fear of Math: New Insight into How We Count" by Ker Than: Interview with
Fulvia Castelli and Brian Butterworth on
LiveScience.com (22nd March 2006).
Discrete and analogue quantity processing in the parietal lobe: A
functional MRI study by Fulvia Castelli, Daniel E. Glaser & Brian
of the National Academy of Sciences of the USA: Vol. 103 Number 12: 4693
- 4698. (400k) (21st March).
Sue Broom of BBC World Service Science in Action
interviews Brian Butterworth on breakthrough in understanding of how the
brain deals with numbers. (3.5 minutes) (10th March).
Seed Magazine "A Head for Numbers" by Kevin Friedl
about forthcoming article by Brian Butterworth and others in "Proceedings of the National
Academy of Science" on discovery of a network in brain specialising in dealing with particular numbers . (10th March).
Archive of Selected Publications 1975 - 2005 available. (19th February).
"Your Recipe for Success", Episode 4
of BBC 1 Sixth Series on Parenting, features Dyscalculia Screener developed
by Brian Butterworth.
Website links to "Do You Have a Mathematical
Brain Test (5th February).
Spatial representation of pitch height: the SMARC effect by Elena Rusconi,
Bonnie Kwana, Bruno L. Giordano, Carlo Umilta &, Brian Butterworth in
Cognition 99: 113 - 129. (300k) (2006).
Developmental Dyscalculia by Brian Butterworth. Chapter 26 of The Handbook of
Mathematical Cognition, edited by Jamie ID Campbell,
Psychology Press: Pages 455 -467: (500k) (2005).
The development of arithmetical abilities by Brian Butterworth. Journal of Child Psychology and Psychiatry 46:
1 (2005), pp 3 - 18: (200k) (2005).
Number and language: how are they related? Rochel Gelman & Brian Butterworth.
Trends in Cognitive Sciences Vol.9 No.1 January
2005: Page 6 - 10: (150k) (2005).
The Guardian: What happens when you can't count past
four? by Brian Butterworth asking whether one can do maths without words
for big numbers. (21st October 2004).
The Guardian: Dyslexia Has a Language Barrier
by Brian Butterworth and Joey Tang, arguing that readers of Chinese use
different parts of the brain from readers of English. (23rd September 2004).
Cognition 93: (2004) 99 - 125: Developmental dyscalculia and basic numerical
capacities: a study of 8 - 9-year-old students by
Karin Landerl, Anna Bevan & Brian Butterworth
Sunday Telegraph queries whether girls are worse at
maths. (18th April 2004).
Reuters, The Times et al on
estimate, at British Assocation for the Advancement of Science Festival, of 5 per cent dyscalculia rate and
BBC, Daily Telegraph,
New Scientist on test, involving 18,000
people, that suggests an apparent female
advantage in counting up to 3. (10th to 11th September, 2003). Also Science
Show, Australia: mp3 (27th September, 2003).
Daily Telegraph Connected Series: a." Back to square roots... add a good
teacher and practice", b."Why we use our fingers and toes
to count" and c."Inside Carol Vorderman's
BBC Radio 4 dyscalculia screener interview (following feature on risk) : RealAudio after 18.28 minutes
or mp3 (25th February 2003).
Daily Mail: "When Sums Don't Add Up": article on Dyscalculia. (4th February
Brian Butterworth: Selected Works:
Cognitive Neuropsychology, 2002, 19 (6), 483 - 503:
Why Semantic Dementia Drives You to the Dogs (but Not to the Horses): a Theoretical
Account by Marinella Cappelletti, Michael Kopelman & Brian Butterworth (2002).
Screening for dyscalculia: a new approach.
Psychology, Neuroscience and Interventions.
Oxford: PDF Version with Summary (September, 2002)
Multiplication Facts: Passive Storage Or Dynamic Reorganization?
by Brian Butterworth, Noemi Marchesini and Luisa Girelli.
(To appear presently in "The development of arithmetical concepts and skills",
edited by Arthur J. Baroody and Ann Dowker. LEA): PDF Version (19th June, 2002)
Theories of Dyslexia and Dyscalculia: Tallskek og skrivevegring: Internasjonal
konferanse om lese-skrive-og
matemaikkvansker for voksne. VOX Voksenopplæ- ringsinstituttet, Oslo.
PDF Version (26th April, 2002)
About Dyscalculia: PDF
Version (25th April, 2002)
Dyscalculia Fact Sheet and Screener Page from NFER.
Articles on proposed UK school tests for
dyscalculia in "Sunday Telegraph". (14th April 2002).
"Mathematics and the Brain": Opening Address to the Mathematical
Association (2MB PDF). (3rd April, 2002).
Helen Joyce interview in "Plus Magazine" (April, 2002).
Additional Chapter to "The Mathematical Brain":
"From fear of fractions to the joy of maths" with Mathematical Brain
Test. (April 2002).
BBC One London on "Number Blindness"
affecting 400,000 or 5-6 per cent of London population. (2nd February 2002).
Publication of Japanese version of "The Mathematical Brain", "Naze sugaku
ga tokui na hito to nigate na hito ga irunoka?": Translator: Rumi Fujii
("Why are some people good, but others bad at maths?") published by Shufunotomosha
Press of Tokyo . (February, 2002)
Chapter by Brian Butterworth, "The Man Who Could
Read Only Numbers" from "Frontiers 01" (Edited by
Tim Radford), featured in "The Guardian". (February, 2002)