The Neural Representations Lab

Genela Morris

Publications – peer reviewed journals

• Morris G, Schmidt R, Bergman H. Striatal action learning based on dopamine concentration (2010) Experimental Brain Research (special issue on computational neuroscience) 200(3-4):307-17

• Maier N, Morris G, Johenning FW, Schmitz D. (2009). An approach for reliably investigating hippocampal sharp wave-ripples in vitro. PLoS One 4(9):e6925

• Hagen EH, Sullivan RJ, Schmidt R, Morris G, Kempter R, Hammerstein P. (2009). Ecology and neurobiology of toxin avoidance and the paradox of drug reward. Neuroscience 160(1):69-84

• Parush N, Arkadir D, Nevet A, Morris G, Tishby N, Nelken I, Bergman H. (2008). Encoding by response duration in the basal ganglia. J Neurophysiol. 100(6):3244-52

• Nevet A, Morris G, Saban G, Arkadir D, Bergman H (2007) Lack of Spike-Count and Spike-Time Correlations in the Substantia Nigra Reticulata despite Overlap of Neural Responses. J Neurophysiol. 98(4):2232-43

• Elias S, Joshua M, Goldberg JA, Heimer G, Arkadir D, Morris G, Bergman H. (2007) Statistical properties of pauses of the high-frequency discharge neurons in the external segment of the globus pallidus. J Neurosci. 27(10):2525-38

• Morris G, Nevet A, Arkadir D, Vaadia E, Bergman H. (2006) Midbrain dopamine neurons encode decisions for future action. Nat Neurosci. 9(8):1057-63

• Morris G, Hershkovitz Y, Raz A, Nevet Physiological studies of information processing in the normal and Parkinsonian basal ganglia: pallidal activity in Go/No-Go task and following MPTP treatment A, Bergman H. (2005) Physiological studies of information processing in the normal and Parkinsonian basal ganglia: pallidal activity in Go/No-Go task and following MPTP treatment. Prog Brain Res. 147:285-93

• Morris G, Arkadir D, Nevet A, Vaadia E, Bergman H. (2004) Coincident but distinct messages of midbrain dopamine and striatal tonically active neurons. Neuron. 43(1):133-43

• Arkadir D, Morris G, Vaadia E, Bergman H. (2004) Independent coding of movement direction and reward prediction by single pallidal neurons. J Neurosci. 24(45):10047-56

• Nevet A, Morris G, Saban G, Fainstein N, Bergman H. (2004) Discharge rate of substantia nigra pars reticulata neurons is reduced in non-parkinsonian monkeys with apomorphine-induced orofacial dyskinesia. J Neurophysiol. 92(4):1973-81

• Morris G, Nevet A, Bergman H. (2003) Anatomical funnelling, sparse connectivity and redundancy reduction in the neural networks of the basal ganglia. J Physiol (Paris) 97(4-6):581-9

• Bar-Gad I, Morris G, Bergman H. (2003) Information processing, dimensionality reduction and reinforcement learning in the basal ganglia Prog Neurobiol. 71(6):439-73

Commentaries

• Schmidt R, Morris G, Hagen EH, Sullivan RJ, Hammerstein P, Kempter R. (2009) The dopamine puzzle Proc Natl Acad Sci U S A. 106(27):E75

Editing

• Editor of section on “basal ganglia: cognitive and motivational processing” in: Recent Breakthroughs in Basal Ganglia Research”. E. Bezard [Ed.], Nova Science Publishers, Inc. (New York, USA).

Book Chapters

• G. Morris and H. Bergman. The basal ganglia: cognitive and motivational processing – from action to value and back. In: Recent Breakthroughs in Basal Ganglia Research. E. Bezard [Ed.], Nova Science Publishers, pp53-54, 2007

• G. Morris, D. Arkadir and H. Bergman. Reinforcement neuronal signals and dimensionality reduction in the cortico-basal ganglia system. In: Catecholamine Research: From Molecular Insight to Medicine, Toshiharu Nagatsu, Roshitaka Nabeshima, Richard McCarthy,David Goldstein [Eds.], Kluwer Academic/Plenum Publishers, pp 369-372, 2002.

• G. Morris, A. Raz, D. Arkadir and H. Bergman. Striatal TANs do not report prediction error, In: The Basal Ganglia VII, Advances in behavioral biology, Vol 52Louise F.B. Nicholson and Richard L.M. Faull [Eds.], Kluwer Academic/Plenum Publishers, Chapter 19, pp 173-180, 2002

• D. Arkadir, .Y Ben-Shaul, G. Morris, S. Maraton, J. Goldberg and H. Bergman. False Detection of dynamic changes in pallidal neuron interactions by the joint peri-stimulus histogram method. In: The Basal Ganglia VII, Advances in behavioral biology, Vol 52, Louise F.B. Nicholson and Richard L.M. Faull [Eds.], Kluwer Academic/Plenum Publishers, Chapter 20, pp 181-190, 2002