Section I: Neurotransmitters and Physiology. 1. DBS in Parkinsonian Subthalamic Nucleus: Electrophysiological and Biochemical Changes; A. Bassi, et al. 2. Action Selection in Parkinsonian Akinesia; T. Boraud, et al. 3. Different Patterns of Behavior and Gene Expression Induced by Chronic L-DOPA and A2A Antagonists plus L-DOPA Treatment in 6-Hydroxydopamine Lesioned Rats; A.R. Carta, et al. 4. Synchronization of Pallidal Activity in the MPTP Primate Model of Parkinsonism Is Not Limited to Oscillatory Activity; G. Heimer et al. 5. The High Frequency Discharge of Pallidal Neurons Disrupts the Interpretation of Pallidal Correlation Functions; I. Bar-Gad, et al. 6. The Role of Opioid Receptors in L-DOPA Induced Dyskinesia; C. de Groote, et al. 7. Coding of Behavioral Sequences in the Basal Ganglia; J.W. Aldridge, K.C. Berrigde. 8. Protection Against Nigrostriatal Dopamine Cell Death by Pedunculopontine Tegmental Nucleus Lesions; M. Takada, et al. 9. Influence of Deep Brain Stimulation on Striatal Dopamine Release and Metabolism in the 6-OHDA-Model of Parkinson's Disease; W. Meissner, et al. 10. Heterogeneity of Dopamine Release in the Primate Striatum; S.J. Cragg, C.J. Hille. 11. Enhanced Synchrony in the Primary Motor Cortex of MPTP Primates by Underlie Muscle Co-Contraction and Rigidity; J.A. Goldberg, et al. 12. Dopaminergic System in the Basal Ganglia of Sheep; J.S. McKenzie, et al. 13. The Roles of Metabotropic Glutamate Receptors in Modulating the Activity of the Subthalamic Nucleus; H. Awad-Granko, P.J. Conn. 14. Localization of Neuronal Nicotinic Acetylcholine Receptor Subunits in Rat Substantia Nigra and Dorsal Striatum; I.W. Jones, et al. 15. Cellular Localization of the GABAGBPY/YGBP R1 Subunit in the Human Basal Ganglia; H.J. Waldvogel, R.L.M. Faull. 16. Partly Converging But Largely Segregated Corticostriatal Projections From the Primary Motor Cortex and the Supplementary Motor Area; A. Nambu, et al. 17. A Single Gene for Dystonia Involves Both or Either of the Two Striatal Pathways; M. Segawa, et al. 18. Thalamic Stimulation Promotes, While MFB Stimulation Inhibits, Calcium Oscillatory Activity in the Rat Striatum; M.D. Davis. 19. Striatal Tans Do not Report Prediction Error; G. Morris, et al. 20. False Detection of Dynamic Changes in Pallidal Neuron Interactions by the Joint Peri-Stimulus Histogram Method; D. Arkadit, et al. Section II: Ventral Striatum. 21. Core and Shell of the Nucleus Accumbens Are Interconnected via Intrastriatal Projections; W.C. van Dongen, H.J. Groenewegen. 22. Hippocampal Regulation of Prefrontal Cortex-Nucleus Accumbens Information Processing; Y. Goto, P. O'Donnell. 23. Pedunculopontine and Laterodorsal Tegmental Lesion Effects on Drug-Evoked Behaviours and Forebrain Dopamine Efflux; A.D. Miller, et al. Section III: Pharmacology. 24. New Insights into mGluRs Function in the Substantia Nigra Pars Compacta; E. Guatteo, et al. 25. Metabotropic Glutamate Receptors in the Globus Pallidus; O. Poisik, et al. 26. Abnormalities of Striatal NMDA Receptor-Mediated Transmission in Parkinson's Disease; P.J. Hallet, et al. 27. N-Terminal Tripeptide-1 (GPE) of IGF-1 Prevents the Loss Of TH Positive Neurons After 6-OHDA Induced Nigral Lesion in Rats; R. Krishnamurthi, et al. 28. Precise Localization of 5-HT2A Receptors in the Rat Substantia Nigra; G. Bacon, S. Totterdell. 29. Electrophysiological Effects of Cannabinoids in the Basal Ganglia; A.L. Muntoni, et al. Section IV: Neural Plasticity/Computational Models. 30. Self-Stimulation and Synaptic Plasticity; J.N.J. Reynolds, J.R. Wickens. 31. The Role of Dopamine Receptors in Regulating the Size of Axonal Arbours; D.I. Finkelstein, et al. 32. Responses to Partial Dopaminergic Lesion: Evidence For Compensatory Sprouting From The Ventral Striatum; S.N. Haber, D.D. Song. 33. Structural Plasticity in Parkinson's Disease; C.A. Ingham, et al. 34. Blood Vessels and Neurodegeneration in Parkinson's Disease; C. Barcia, et al. 35. The Robot Basal Ganglia; T.J. Precott, et al. 36. Functional Interactions Within The Subthalamic Nucleus; A. Gillies, et al. Section V: Circuitry. 37. The Functional Organisation of the Basal Ganglia: New Insights from Anatomical and Physiological Analyses; J.P. Bolam, et al. 38. Somatosensory Activation and Tissue Compartments in the Human Striatum; L.L. Brown, et al. 39. A Physiological Investigation of the Two Corticostriatal Systems in Rat Somatosensory Striatum; S. Ramanathan, et al. 40. Synaptic Convergence of Hippocampal and Prefrontal Cortical Afferents to the Ventral Striatum in Rat; S.J. French, et al. 41. Anatomical and Functional Relationships Between Intralaminar Thalamic Nuclei and Basal Ganglia in Monkeys; M. Sidebe, et al. 42. Local Connectivity Between Striatal Spiny Projection Neurons: a Re-Evaluation; D.E. Oorschot, et al. 43. Distribution of Pontomesencephalic Neurons Projecting to the Medullary Reticular Areas and Spinal Cord in Relation to the Pedunculopontine Nucleus in the Monkey; K. Nakano, et al. 44. Impact of Slow Cortical Rhythms on Basal Ganglia Output Nuclei Activity in Experimental Parkinsonism; K.Y. Tseng, et al. Section VI: Neuropathology. 45. Lesions of the Rat Globus Pallidus, Which Increase Subthalamic Nucleus Activity, Cause Dopamine Cell Death; A.K. Wright, et al. 46. Progressive Neurodegeneration in a New Mouse Model of Parkinson's Disease; S. Totterdell, et al. 47. Striosome and Matrix Pathology in Huntington Disease; J.C. Hedreen. 48. Immunohistochemical Localization of TATA-Binding Protein inn Huntington's Disease Cortex; W.M.C. van Room-Mom, et al. 49. Transcriptional Dysregulation in Huntington's Disease; J. Duce, et al. 50. The Role of Basal Ganglia in Visuo-Motor Coordination, Insights from Different Disease Conditions; S. Hocherman. 51. Torsina Immunoreactivity in Normal and DYT1 Brain; R.H. Walker, et al. 52. Anatomo-Chemical Organization of the Basal Ganglia Circuitry in the Normal and Parkinsonian States; C. Francois, et al. 53. Which Basal Ganglia Surgical Targets Ameliorate Parkinsonian Symptoms? J.M. Henderson, et al. 54. Effects of Pallidotomy and STN Stimulation on Reaching and Walking in Parkinson Disease; A.J. Bastian, et al. 55. Continuous Stimulation of the Globus Pallidus and Subthalamic Nucleus in Parkinson's Disease; J. Yelnik, et al. 56. Effects of High Frequency Stimulation in the Subthalamic Nucleus on Neuronal Firing in Parkinson's Disease Patients; J.O. Dostrovsky, et al. 57. High Frequency Stimulation of the Subthalamic Nucleus in Intact and Hemiparkinsonian Rats; P. Salin, et al. 58. Neurochemical Modifications induced by High Frequency Stimulation of the Subthalamic Nucleus in Rats; M. Savasta, et al. 59. Inactivating the Subthalamic Nucleus in the Rat Induces Various Cognitive Deficits and Motivational Exacerbation; C. Baunez, et al. 60. Responses of Neurons in Subthalamic Nucleus During Sequential Reaching in Patients with Parkinson's Disease; W.D. Hutchinson, et al. 61. Pallidothalamic Relation in Parkinson's Disease-Microrecording Study; C. Ohye, et al. Author Index. Subject Index.