Part I: General Introduction: S.F. Cappa & G. Vallar: Neuropsychological disorders after subcortical lesions: implications for the neural models of language and spatial attention; I. Divac & R.G.E. Oberg: Subcortical mechanisms in cognition; E.T. Rolls & S. Johnstone: Neurophysiological analysis of striatal function; R.K. Deuel & T.W. Anderson: procedural and symbolic learning after large unilateral thalamic lesions in monkeys; Part II: Subcortical Lesions, Memory and Amnesia: D.Y. von Cramon: Focal cerebral lesions damaging (subcortical) fibre projections related to memory and learning functions in man; N.R. Graff-Radford, D. Tranel, G.W. Van Hoesen & J.P. Brandt: Diencephalic amnesia; D. Perani, L.D. Kartsounis & A. Costello: Korsakoff's psychosis: a neuropsychological and positron-emission tomography study of two cases; Part III: Cognitive Function in Extrapyramidal Disease: C. Lee & R. Brown: Use of advance information in Parkinson's disease; J.A. Saint-Cyr, A.E. Taylor, L.L. Trépanier & A.E. Lang: The caudate nucleus: head ganglion of the habit system; C.-W. Wallesch, H.O. Karnath & P. Zimmermann: Is there a frontal lobe dysfunction in Parkinson's disease? A comparison of the effects of Parkinson's disease and circumscribed frontal lobe lesions in a maze-learning task; E.J. Metter: Brain glucose metabolism in subcortical dementias; Part IV: Aphasia, Apraxia, Neglect, and Subcortical Lesions: B. Crosson: Is the striatum invoved in language?; M.A. Naeser: Relationship between lesion in deep, subcortical white matter areas on chronic CT scans and recovery of speech and comprehension in chronic aphasia; L.A. Vignolo, M.E. Macario & S.F. Cappa: Clinical-CT scan correlations in a prospective series of patients with acute left-hemispheric subcortical stroke; A. Kertesz: Subcortical agraphia; S. Della Sala, A. Basso, M. Laicona & C. Papagno: Subcortical localization of ideomotor apraxia: a review and an experimental study; I.P. Martins & J.M. Ferro: Acquired subcortical lesions in children; J.-F. Démonet, P. Celsis, M. Puel, D. Cardebat, J.P. Marc-Vergnes & A. Rascol: Thalamic and non-thalamic subcortical aphasia: a neurolinguistic and SPECT approach; M. Puel, F.-F. Démonet, D. Cardebat, I. Berry, P. Celsis, J.P. Marc-Vergnes & A. Rascol: Three topographical types of thalamic aphasia: a neurolinguistic, NMR, and SPECT study; J. Ferro, G. Cantinho, A. Levy & F. Godinho: Subcortical neglect: is cortical diaschisis relevant?; J.C. Baron, M. Levasseur, B. Mazoyer, F. Legault-Demare, F. Mauguiere, S. Pappata, P. Jedynak, P. Derome, J. Cambier, S. Tran-Dinh & H. Cambon: Cortical hypometabolism and neuropsychological impairment in unilateral thalamic lesions; M.P. Alexander: Speech and language deficits after subcortical lesions of the left hemisphere: a clinical, CT, and PET study; E.J. Metter: Role of subcortical structures in aphasia: evidence from studies of resting cerebral glucose metabolism.