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Neurophysiological Pharmacology Section - Division of Intramural Research



2010

Walters JR and Bergstrom DA
Synchronous activity in basal ganglia circuits, Handbook of Basal Ganglia Structure and Function, edited by H Steiner and KY Tseng, 2010, pp. 429-443.

Avila I,Parr-Brownlie LC, Brazhnik E, Castaneda E, Bergstrom DA and Walters JR
Beta Frequency Synchronization in Basal Ganglia Output during Rest and Walk in a Hemiparkinsonian Rat, Experimental Neurology, 2010, vol. 221, pp. 307-319.

2009

Walters JR, Tierney PL and Bergstrom DA
Oscillatory activity and synchronization in the basal ganglia network in rodent models of Parkinson's disease, The Basal Ganglia IX, edited by HJ Groenewegen et al., 2009, pp. 443-459.

Parr-Brownlie LC, Poloskey SL, Bergstrom DA and Walters JR
Parafascicular thalamic nucleus activity in a rat model of Parkinson's disease, Experimental Neurology, 2009, vol. 217, pp. 269-281. Full Text/Abstract

Pelled G, Bergstrom DA, Tierney PL, Conroy RS, Chuang KH, Leopold DA, Walters JR and Koretsky AP
Ipsilateral cortical fMRI responses after peripheral nerve damage in rats reflect increased interneuron activity, Proceedings of the National Academy of Sciences USA, 2009, vol. 106, pp. 14114-14119. Full Text/Abstract

Walters JR and Bergstrom DA
Basal ganglia network synchronization in animal models of Parkinson's disease, Cortical-Subcortical Dynamics in Parkinson's Disease, edited by KY Tseng, 2009, pp. 117-142.

Feng X, Henriquez VM, Walters JR and Ludlow CL
Effects of dopamine D1 and D2 receptor antagonists on laryngeal neurophysiology in the rat, Journal of Neurophysiology, 2009, vol. 102, pp. 1193-1205. Full Text/Abstract

2008

Di Martino A, Scheres A, Margulies DS, Kelly AMC, Uddin LQ, Shehzad Z, Biswal B, Walters JR, Castellanos FX and Milham MP
Functional connectivity of human striatum: a resting state fMRI study, Cerebral Cortex, 2008, vol. 18, pp. 2735-2747. Full Text/Abstract

Aravamuthan BR, Bergstrom DA, French RA, Taylor JJ, Parr-Brownlie LC and Walters JR
Altered neuronal activity relationships between the pedunculopontine nucleus and motor cortex in a rodent model of Parkinson's disease, Experimental Neurology, 2008, vol. 213, pp. 268-280. Full Text/Abstract

2007

Parr-Brownlie LC, Poloskey SL, Flanagan KK, Eisenhofer E, Bergstrom DA and Walters JR
Dopamine lesion-induced changes in subthalamic nucleus activity are not associated with alterations in firing rate or pattern in layer V neurons of the anterior cingulate cortex in anesthetized rats, European Journal of Neuroscience, 2007, vol. 26, pp. 1925-1939. Full Text/Abstract

Walters JR, Hu D, Itoga CA, Parr-Brownlie LC, Bergstrom DA
Phase relationships support a role for coordinated activity in the indirect pathway in organizing slow oscillations in basal ganglia output after loss of dopamine, Neuroscience, 2007, vol. 144, pp. 762-776. Full Text/Abstract

2005

Allers KA, Bergstrom DA, Ghazi LJ, Kreiss DS and Walters JR
MK801 and amantadine exert different effects on subthalamic neuronal activity in a rodent model of Parkinson's disease, Experimental Neurology, 2005, vol. 191, pp. 104-118. Full Text/Abstract

Walters JR, Hu D, Itoga CA, Parr-Brownlie LC and Bergstrom DA
Do local field potentials reflect synchronized spiking activity of neuronal populations in the basal ganglia? Studies in a rodent model of Parkinson's disease, The Basal Ganglia VIII, edited by JP Bolam, C Ingham and PJ Magill, 2005, pp. 37-46.

Castellanos FX, Sonuga-Barke EJS, Scheres A, DiMartino A, Hyde C and Walters JR
Varieties of attention-deficit/hyperactivity disorder-related intra-individual variability, Biological Psychiatry, 2005, vol. 57, pp. 1416-1423. Full Text/Abstract

2004

Hutchison WD, Dostrovsky JO, Walters JR, Courtemanche R, Boraud T, Goldberg J and Brown P
Neuronal oscillations in the basal ganglia and movement disorders: evidence from whole animal and human recordings, Journal of Neuroscience, 2004, vol. 24, pp. 9240-9243. Full Text/Abstract

2003

Ruskin DN, Bergstrom DA, Tierney PL and Walters JR
Correlated multisecond oscillations in firing rate in the basal ganglia: modulation by dopamine and the subthalamic nucleus, Neuroscience, 2003, vol. 117, pp. 427-438. Full Text/Abstract

2002

Ruskin DN, Bergstrom DA and Walters JR
Nigrostriatal lesion and dopamine agonists affect firing patterns of rodent entopeduncular nucleus neurons, Journal of Neurophysiology, 2002, vol. 88, pp. 487-496. Full Text/Abstract

Allers KA, Ruskin DN, Bergstrom DA, Freeman LE, Ghazi LJ, Tierney PL and Walters JR
Multisecond periodicities in basal ganglia firing rates correlate with theta bursts in transcortical and hippocampal EEG, Journal of Neurophysiology, 2002, vol. 87, pp. 1118-1122. Full Text/Abstract

2001

Ruskin DN, Bergstrom DA, Shenker A, Freeman LE, Baek D and Walters JR
Drugs used in the treatment of attention-deficit/hyperactivity disorder affect firing rate and oscillation without preferential dopamine autoreceptor action, Biological Psychiatry, 2001, vol. 49, pp. 340-350. Full Text/Abstract

Ruskin DN, Bergstrom DA, Baek D, Freeman LE and Walters JR
Cocaine or selective block of dopamine transporters influences multisecond oscillations in firing rate in the globus pallidus, Neuropsychopharmacology, 2001, vol. 25, pp. 28-40. Full Text/Abstract

Walters JR, Bergstrom DA, Molnar LR, Freeman LE and Ruskin DN
Effects of dopamine receptor stimulation on basal ganglia activity, Basal Ganglia and Thalamus in Health and Movement Disorders, edited by K Kultas-Ilinsky & IA Ilinsky, 2001, pp. 135-150.

Walters JR, Ruskin DN, Baek D, Allers KA and Bergstrom DA
Cognitive function paradigms: implications of neurophysiological studies of dopamine stimulants for Tourette Syndrome and comorbid attention deficit hyperactivity disorder, Tourette Syndrome and Associated Disorders, edited by DJ Cohen, J Jankovic and CG Goetz, 2001, pp. 133-149.

2000

Allers KA, Kreiss DS and Walters JR
Multisecond oscillations in the subthalamic nucleus: effects of apomorphine and dopamine cell lesion, Synapse, 2000, vol. 38, pp. 38-50. Full Text/Abstract

Walters JR, Ruskin DN, Allers KA and Bergstrom DA
Pre- and postsynaptic aspects of dopamine-mediated transmission, Trends in Neurosciences, 2000, vol. 23 (Suppl), pp. S41-S47.

1999

Ruskin DN, Bergstrom DA and Walters JR
Multisecond oscillations in firing rate in the globus pallidus: synergistic modulation by D1 and D2 dopamine receptors, Journal of Pharmacology and Experimental Therapeutics, 1999, vol. 290, pp. 1493-1501. Full Text/Abstract

Ruskin DN, Bergstrom DA, Kaneoke Y, Patel BN, Twery MJ and Walters JR
Multisecond oscillations in firing rate in the basal ganglia: robust modulation by dopamine receptor activation and anesthesia, Journal of Neurophysiology, 1999, vol. 81, pp. 2046-2055. Full Text/Abstract

Ruskin DN, Bergstrom DA, Mastropietro CW, Twery MJ and Walters JR
Dopamine agonist-mediated rotation in rats with unilateral nigrostriatal lesions is not dependent on net inhibitions of rate in basal ganglia output nuclei, Neuroscience, 1999, vol. 91, pp. 935-946. Full Text/Abstract

1998

Ruskin DN, Rawji SS and Walters JR
Effects of full D1 dopamine receptor agonists on firing rates in the globus pallidus and substantia nigra pars compacta in vivo: tests for D1 receptor selectivity and comparisons to the partial agonist SKF 38393, Journal of Pharmacology and Experimental Therapeutics, 1998, vol. 286, pp. 272-281. Full Text/Abstract

Huang K-X, Bergstrom DA, Ruskin DN and Walters JR
N-Methyl-D-Aspartate receptor blockage attenuates D1 dopamine receptor modulation of neuronal activity in rat substantia nigra, Synapse, 1998, vol. 30, pp. 18-29. Full Text/Abstract

1997

Kreiss DS, Mastropietro CW, Rawji SS and Walters JR
The response of subthalamic nucleus neurons to dopamine receptor stimulation in a rodent model of Parkinson's Disease, Journal of Neuroscience, 1997, vol. 17, pp. 6807-6819. Full Text/Abstract

1996

Huang K-X and Walters JR
Dopaminergic regulation of AP-1 transcription factor DNA binding in rat striatum, Neuroscience, 1996, vol. 75, pp. 757-775. Full Text/Abstract

Kreiss DS, Anderson LA and Walters JR
Apomorphine and dopamine D1 receptor agonists increase the firing rate of subthalamic nucleus neurons, Neuroscience, 1996, vol. 72, pp. 863-876. Full Text/Abstract

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