Dr Gareth Barnes


Honorary Visiting Researcher to the  Aston Brain Centre


School of Life and Health Sciences 
Aston University 
Birmingham B4 7ET

Email: barnesgr@aston.ac.uk 

Recent Publications


Maratos F.A., Anderson S.J., Hillebrand A., Singh K.D., Barnes G.R. (2006). The spatial distribution and temporal dynamics of brain regions activated during the perception of object and non-object patterns. Neuroimage. 2007 Jan1; 34(1): 371-83.Epub 2006 Oct 18.

Brookes M.J., Stevenson C.M., Barnes G.R., Hillebrand A., Simpson M.I., Francis S.T., Morris P.G. Beamformer reconstruction of correlated sources using a modified source model. Neuroimage. 2007 Feb 15; 34(4): 1454-65. Epub 2006 Dec 29.

Hadjipapas A., Adjamian P., Swettenham J.B., Holliday I.E., Barnes G.R. Stimuli of varying spatial scale induce gamma activity with distinct temporal characteristics in human visual cortex. Neuroimage. 2007 Apr 1; 35(2): 518-3-. Epub 2007 Jan 19.

Barbati G., Porcaro C., Hadjipapas A., Adjamian P., Pizzella V., Romani G.L., Seri S., Tecchio F., Barnes G.R. Functional source separation applied to induced visual gamma activity. Hum Brain Mapp. 2007 Mar 27; [Epub ahead of print]


Barnes, G.R., Furlong, P.L., Singh, K.D., Hillebrand, A. (2006). A verifiable solution to the MEG inverse problem. Neuroimage. Volume 31, Issue 2, 623-626.

Fisher, A.E., Barnes, G.R., Hillebrand, A., Holliday, I.E., Witton, C., Richards, I.L. (2006). Abnormality of mismatch negativity in response to tone omission in dyslexic adults. Brain Res. 1077, 90-98.


Brookes, M.J., Gibson, A.M., Hall, S.D., Furlong, P.L., Barnes, G.R., Hillebrand, A., Singh, K.D., Holliday, I.E., Francis, S.T., Morris, P.G. (2005). GLM-beamformer method demonstrates stationary field, alpha ERD and gamma ERS co-localisation with fMRI BOLD response in visual cortex. Neuroimage. 26, 302-308.

Hadjipapas, A., Hillebrand, A., Holliday, I.E., Singh, K.D., Barnes, G.R. (2005). Assessing interactions of linear and nonlinear neuronal sources using MEG beamformers: a proof of concept. Clin.Neurophysiol. 116, 1300-1313.

Hall, S.D., Holliday, I.E., Hillebrand, A., Furlong, P.L., Singh K.D., Barnes G.R. (2005). Distinct contrast response functions in striate and extra-striate regions of visual cortex revealed with magnetoencephalography (MEG). Clin.Neurophysiol. 116, 1716-1722.

Hall, S.D., Holliday, I.E., Hillebrand, A., Singh, K.D., Furlong, P.L., Hadjipapas, A., Barnes, G.R. (2005). The missing link: analogous human and primate cortical gamma oscillations. Neuroimage. 26, 13-17.

Hillebrand, A., Barnes, G.R. (2005). Beamformer analysis of MEG data. Int.Rev.Neurobiol. 68, 149-171.

Hillebrand, A., Singh, K.D., Holliday, I.E., Furlong, P.L., Barnes, G.R. (2005). A new approach to neuroimaging with magnetoencephalography. Hum.Brain Mapp. 25, 199-211.

Hobson, A.R., Furlong, P.L., Worthen, S.F., Hillebrand, A., Barnes, G.R., Singh, K.D., Aziz, Q. (2005). Real-time imaging of human cortical activity evoked by painful esophageal stimulation. Gastroenterology 128, 610-619.

Simpson, M.I., Hadjipapas, A., Barnes, G.R., Furlong, P.L., Witton, C. (2005). Imaging the dynamics of the auditory steady-state evoked response. Neurosci.Lett. 385, 195-197.


Fisher, A.E., Barnes, G.R., Hillebrand, A., Burrow, C., Furlong, P.L., Holliday, I.E., (2004). Can you tell your clunis from your cubitus? A benchmark for functional imaging. BMJ 329, 1492-1493.

Matthew J. Brookes, Andrew M. Gibson, Stephen D. Hall, Paul L. Furlong, Gareth R. Barnes, Arjan Hillebrand, Krish D. Singh, Ian E. Holliday, Sue T. Francis, Peter G. Morris (2004). A General Linear Model for MEG Beamformer Imaging. NeuroImage, 23, 936-946.

Adjamian P., Holliday, I. E., Barnes, G. R., Hillebrand, A., Hadjipapas, A., Singh, K. D. (2004) Induced Visual Illusions and Gamma Oscillations in Human Primary Visual Cortex. European Journal of Neuroscience. Volume 20, 587-592.

Kristen Pammer, Peter C. Hansen, Morten L. Kringelbach, Ian Holliday, Gareth Barnes, Arjan Hillebrand, Krish D. Singh, Piers L. Cornelissen (2004) Visual word recognition: the first half second. NeuroImage. 22, 1819-1825

Furlong, P. L. , Hobson, A. R., Aziz, Q., Barnes, G. R., Singh, K. D., Hillebrand, A., Thompson, D. G., Hamdy, S. (2004) Dissociating the spatio-temporal characteristics of cortical neuronal activity associated with human volitional swallowing in the healthy adult brain. NeuroImage. Volume 22, Issue 4, 1447-1455

Gareth R. Barnes, Arjan Hillebrand, Ian P. Fawcett, Krish D. Singh (2004) Realistic spatial sampling for MEG beamformer images. Human Brain Mapping. Volume 23, Issue 2, 120-127

Stephen D. Hall, Gareth R. Barnes, Arjan Hillebrand, Paul L. Furlong, Krish D. Singh, Ian E. Holliday (2004) Spatio-temporal imaging of cortical desynchronisation in migraine visual aura: a magnetoencephalography case study. Headache, Volume 44, Issue 3, 204-208.

Ian P. Fawcett, Gareth R. Barnes, Arjan Hillebrand, Krish D. Singh (2004) The temporal frequency tuning of human visual cortex investigated using Synthetic Aperture Magnetometry. NeuroImage. Volume 21, Issue 4, 1542-1553.

Adjamian P, Barnes GR, Hillebrand A, Holliday IE, Singh KD, Furlong PL, Harrington E, Barclay CW, Route PJG. (2004) Co-registration of MEG with MRI using bite-bar-based fiducials and surface-matching. Clinical Neurophysiology, Volume 115, Issue 3, 691-698. 


Holliday I.E., Barnes G.R., Hillebrand A., Singh K.D. (2003). Accuracy and applications of group MEG studies using cortical source locations estimated from participants' scalp surfaces. Human Brain Mapping, Volume 20. Issue 3. 142-147

Hillebrand A. and Barnes G.R. (2003). "The use of anatomical constraints with MEG beamformers". NeuroImage. Volume 20, Issue 4, 2302-2313.

Singh K.D., Barnes G.R., Hillebrand A. (2003). "Group Imaging of Task-Related Changes in Cortical Synchronisation using Non- Parametric Permutation Testing". NeuroImage. Volume 19, Issue 4, 1589-1601.

Hess R.F., Barnes G, Dumoulin S.O., Dakin S.C. (2003). “How many positions can we perceptually encode, one or many?”. Vision Res. Jun;43(14):1575-87.

Barnes G.R. and Hillebrand A.(2003). "Statistical flattening of MEG beamformer images". Human Brain Mapping, Volume 18, Issue 1, 1-12.


Hillebrand A. and Barnes G.R. (2002). "A Quantitative Assessment of the Sensitivity of Whole-Head MEG to Activity in the Adult Human Cortex". NeuroImage 16, 638-650.

Singh, K.D., Barnes, G.R., Hillebrand, A., Forde, E.M.E, Williams, A.L. (2002) "Task-related changes in cortical synchronisation are spatially coincident with the haemodynamic response." NeuroImage 16, 103–114.


Barnes GR, Hess RF, Dumoulin SO, Achtman RL, Pike GB. (2001). "The cortical deficit in humans with strabismic amblyopia". J Physiol 533(Pt 1):281-97

Employable Graduates; Exploitable Research