Dr Adam B. Barrett

Lecturer in Machine Learning and Data Science

Department of Informatics

University of Sussex

Office: Chichester 1, 110
adam.barrettatsussexdotacdotuk
@adambarrett81

 

Research project descriptions

Neuroscience of consciousness

Ecological macroeconomics

Drought forecasting

Blog post links

On the Integrated Information Theory of Consciousness.

On the field of macroeconomics.

On stability of zero-growth economics.

Biography

Selected publications

Barrett, A.B., Duivenvoorden, S., Salakpi, E., Muthoka, J.M., Mwangi, J., Oliver, S., & Rowhani, P. (2019). Forecasting vegetation condition for drought early warning systems in pastoral communities in Kenya. arXiv 1911.10339. [pre-print]

Mediano, P.A.M., Rosas, F., Carhart-Harris, R.L., Seth, A.K., & Barrett, A.B. (2019). Beyond integrated information: A taxonomy of information dynamics phenomena. arXiv 1909.02297. [pre-print]

Barrett, A.B. & Mediano, P.A.M. (2019). The Phi measure of integrated information is not well-defined for general physical systems. J Conscious Stud 26(1-2): 11-20. [pre-print]

Mediano, P.A.M., Seth, A.K., & Barrett, A.B. (2019). Measuring integrated information: Comparison of candidate measures in theory and simulation. Entropy 21, 17. [view]

Barrett, A.B. (2018). Stability of zero-growth economics analysed with a Minskyan model. Ecol. Econ. 146: 228-239. [view] [summary in The Conversation]

Schartner, M.M., Carhart-Harris, R.L., Barrett, A.B., Seth, A.K., & Muthukumaraswamy, S.D. (2017). Increased spontaneous MEG signal diversity for psychoactive doses of ketamine, LSD and psilocybin. Nat. Sci. Rep. 7: 46421. [view]

Schartner, M.M., Pigorini, A., Gibbs, S.A., Arnulfo, G., Sarasso, S., Barnett, L., Nobili, L., Massimini, M., Seth, A.K., & Barrett, A.B. (2017). Global and local complexity of intracranial EEG decreases during NREM sleep. Neurosci. Conscious. 3 (1): niw022. [view]

Barrett, A.B. (2015). Exploration of synergistic and redundant information sharing in static and dynamical Gaussian systems. Phys. Rev. E 91: 052802. [e-print]

Barrett, A.B. (2014). An integration of integrated information theory with fundamental physics. Front. Psychol. 5(63). [view]

Barrett, A.B., Dienes, Z., & Seth, A.K. (2013). Measures of metacognition on signal-detection theoretic models. Psych. Meth. 18(4): 535-552. [link]

Barrett, A.B., & Seth, A.K. (2011). Practical measures of integrated information for time-series data. PLoS Comput. Biol., 7(1): e1001052. [view]

All publications

Barrett, A.B., Duivenvoorden, S., Salakpi, E., Muthoka, J.M., Mwangi, J., Oliver, S., & Rowhani, P. (2019). Forecasting vegetation condition for drought early warning systems in pastoral communities in Kenya. arXiv 1911.10339. [pre-print]

Mediano, P.A.M., Rosas, F., Carhart-Harris, R.L., Seth, A.K., & Barrett, A.B. (2019). Beyond integrated information: A taxonomy of information dynamics phenomena. arXiv 1909.02297. [pre-print]

Barrett, A.B. & Mediano, P.A.M. (2019). The Phi measure of integrated information is not well-defined for general physical systems. J Conscious Stud 26(1-2): 11-20. [pre-print]

Mediano, P.A.M., Seth, A.K., & Barrett, A.B. (2019). Measuring integrated information: Comparison of candidate measures in theory and simulation. Entropy 21, 17. [view]

Sherman, M.T., Seth, A.K., & Barrett, A.B. (2018). Quantifying metacognitive thresholds using signal-detection theory. biorXiv 361543. [pre-print]

Bor, D., Barrett, A.B., Schwartzman, D., & Seth, A.K. (2018). Response to Ruby et al: On a `failed' attempt to manipulate conscious perception with transcranial magnetic stimulation to prefrontal cortex. Consciousness and Cognition 65: 334-341. [view]

Barnett, L., Barrett, A.B., & Seth, A.K. (2018). Solved problems for Granger causality in neuroscience: A response to Stokes and Purdon. Neuroimage 178: 744-748. [view]

Barnett, L., Barrett, A.B., & Seth, A.K. (2018). Misunderstandings regarding the application of Granger causality in neuroscience. PNAS 201714497. [pre-print]

Barrett, A.B. (2018). Stability of zero-growth economics analysed with a Minskyan model. Ecol. Econ. 146: 228-239. [view] [summary in The Conversation]

Bola, M., Barrett, A.B., Pigorini, A., Nobili, L., Seth, A.K., & Marchewka A. (2018). Loss of consciousness is related to hyper-correlated gamma-band activity in anesthetized macaques and sleeping humans. Neuroimage 167: 130-142. [view]

Schartner, M.M., Carhart-Harris, R.L., Barrett, A.B., Seth, A.K., & Muthukumaraswamy, S.D. (2017). Increased spontaneous MEG signal diversity for psychoactive doses of ketamine, LSD and psilocybin. Nat. Sci. Rep. 7: 46421. [view]

Bor, D., Schwartzman, D.J., Barrett, A.B., & Seth, A.K. (2017). Theta-burst transcranial magnetic stimulation to the prefrontal or parietal cortex does not impair metacognitive visual awareness. PLoS ONE 12(2): e0171793. [view]

Schartner, M.M., Pigorini, A., Gibbs, S.A., Arnulfo, G., Sarasso, S., Barnett, L., Nobili, L., Massimini, M., Seth, A.K., & Barrett, A.B. (2017). Global and local complexity of intracranial EEG decreases during NREM sleep. Neurosci. Conscious. 3 (1): niw022. [view]

Barrett, A.B. (2016). A comment on Tononi & Koch (2015) `Consciousness: here, there and everywhere?'. Phil. Trans. R. Soc. B 20140198. [view]

Schartner, M.M., Seth, A.K., Noirhomme, Q., Boly, M., Bruno, M.A., Laureys, S., & Barrett, A.B. (2015). Complexity of multi-dimensional spontaneous EEG decreases during propofol induced general anaesthesia. PLoS ONE 10(8): e0133532. [view]

Sherman, M.T., Seth, A.K., Barrett, A.B., & Kanai, R. (2015). Prior expectations facilitate metacognition for perceptual decision. Consciousness and Cognition 35: 53-65. [pre-print]

Barrett, A.B. (2015). Exploration of synergistic and redundant information sharing in static and dynamical Gaussian systems. Phys. Rev. E 91: 052802. [e-print]

Sherman, M.T., Barrett, A.B., & Kanai, R. (2015). Inferences about consciousness using subjective reports of confidence. In: Overgaard, M. (ed.) Behavioral Methods in Consciousness Research. Oxford University Press, Oxford, UK. [pre-print]

Seth, A.K., Barrett, A.B., & Barnett, L. (2015). Granger causality analysis in neuroscience and neuroimaging. J. Neurosci. 35(8):3293-3297. [view]

Garfinkel, S.N., Seth, A.K., Barrett, A.B., Suzuki, K., & Critchley, H.D. (2015). Knowing your own heart: Distinguishing interoceptive accuracy from interoceptive awareness. Biological Psychology 104: 65-74. [view]

Barrett, A.B., & Seth, A.K. (2014). Directed spectral methods. In: Jaeger, D. and Jung, R. (eds.) Encyclopedia of Computational Neuroscience. Springer, New York. [pre-print]

Scott, R.B., Dienes, Z., Barrett, A.B., Bor, D., & Seth, A.K. (2014). Blind insight: metacognitive discrimination despite chance task performance. Psych. Science 25(12): 2199-2208. [view]

Gould C., Froese T., Barrett A.B., Ward J., & Seth A.K. (2014). An extended case study on the phenomenology of sequence-space synaesthesia. Front. Hum. Neurosci. 8:433. [view]

Vandenbroucke, A.R.E., Sligte, I.G., Barrett, A.B., Seth, A.K., Fahrenfort, J.J., & Lamme, V.A.F. (2014). Accurate metacognition for visual sensory memory representations. Psych. Science 25(4): 861-873. [pre-print]

Barrett, A.B. (2014). An integration of integrated information theory with fundamental physics. Front. Psychol. 5(63). [view]

Barrett, A.B., Dienes, Z., & Seth, A.K. (2013). Measures of metacognition on signal-detection theoretic models. Psych. Meth. 18(4): 535-552. [link]

Garfinkel, S.N., Barrett, A.B., Minati, L., Dolan, R.J., Seth, A.K. & Critchley, H.D. (2013). What the heart forgets: Cardiac timing influences memory for words and is modulated by metacognition and interoceptive sensitivity. Psychophysiology 50(6): 505-512. [pre-print]

Barrett, A.B., & Barnett, L. (2013). Granger causality is designed to measure effect, not mechanism. Frontiers in Neuroinformatics 7(6). [view]

van Rossum, M.C.W., Shippi, M., & Barrett, A.B. (2012). Soft-bound synaptic plasticity outperforms hard-bound plasticity for a variety of learning paradigms. PLoS Comput. Biol. 8(12): e1002836. [view]

Feldwisch-Drentrup, H., Barrett, A.B., Smith, M.T., & van Rossum, M.C.W. (2012). Fluctuations in the open time of synaptic channels: an application to noise analysis based on charge. J. Neurosci. Meth. 210(1): 15-21. [pdf]

Barrett, A.B., Murphy, M., Bruno, M.A., Noirhomme, Q., Boly, M., Laureys, S., & Seth, A.K. (2012). Granger causality analysis of steady-state electroencephalographic signals during propofol-induced anaesthesia. PLoS ONE, 7(1): e29072. [view]

Seth, A.K., Barrett, A.B., & Barnett, L. (2011). Causal density and information integration as measures of conscious level. Phil. Trans. Roy. Soc. A, 369:3748-3767.[link]

Froese, T., Gould, C., & Barrett, A.B. (2011). Re-Viewing from Within: A commentary on the use of first- and second-person methods in the science of consciousness. Constructivist Foundations, 6(2): 254-269. [pdf]

Barrett, A.B., & Seth, A.K. (2011). Practical measures of integrated information for time-series data. PLoS Comput. Biol., 7(1): e1001052. [view]

Seth, A.K., & Barrett, A.B. (2010). Neural theories need to account for, not discount, introspection and behaviour. Cog. Neurosci., 1(3):227-228. [link]

Barrett, A.B., Barnett, L., & Seth, A.K. (2010). Multivariate Granger causality and generalized variance. Phys. Rev. E, 81: 041907. [link]

Cortes, J.M., Greve, A., Barrett, A.B., & van Rossum, M.C.W. (2010). Dynamics and robustness of familiarity memory. Neural Comput., 22(2):448-466. [pre-print]

Barnett, L., Barrett, A.B., & Seth, A.K. (2009). Granger causality and transfer entropy are equivalent for Gaussian variables. Phys. Rev. Lett., 103: 238701. [link]

beim Graben, P., Barrett, A.B., & Atmanspacher, H. (2009). Stability criteria for the contextual emergence of macrostates in neural networks. Network: Computation in Neural Systems, 20(3): 177-195. [pre-print]

Barrett, A.B., Billings, G.O., Morris, R.G.M., & van Rossum, M.C.W. (2009). State based model of long-term potentiation and synaptic tagging and capture. PLoS Comput. Biol., 5(1): e1000259. [view]

Barrett, A.B., & van Rossum, M.C.W. (2008). Optimal learning rules for discrete synapses. PLoS Comput. Biol., 4(11), e1000230. [view]

Physics

"M-theory on Manifolds with G2 Holonomy", A.B. Barrett, DPhil thesis, University of Oxford, UK (2006). [e-print]

"Four-dimensional Effective M-theory on a Singular G2 Manifold", (A.B. Barrett primary author; A. Lukas senior author; L.B Anderson and M. Yamaguchi co-authors), Phys. Rev. D, 74, 086008 (2006). [e-print]

"M-Theory on the Orbifold C2/ZN", (A.B. Barrett primary author; A. Lukas senior author; L.B Anderson co-author), Phys. Rev. D, 73, 106011 (2006). [e-print]

"Classification and Moduli Kaehler Potentials of G2 Manifolds", (A.B. Barrett primary author; A. Lukas senior author), Phys. Rev. D, 71, 046004 (2005). [e-print]