Serotonin responsive and nonresponsive diurnal depressive mood disorders and pathological affect in thalamic infarct associated with myoclonus and blepharospasm.
Explore the source record for details and available documents.
Biomedical subjects
Publications and source records attributed to T E Spears.
Explore the source record for details and available documents.
Two cases of basal ganglia calcification involving the globus pallidus are presented. Both patients had cognitive dysfunction, temporal lobe-like symptoms (including amnestic state, perceptual distortions, or complex visual hallucinations), and myoclonus. Patient 1 manifested depression, auditory hallucinations, anxiety, paranoia, and postural tremor; patient 2 manifested multifocal dystonia with dystonic tremor. These cases supplement other reports of psychotic features and dementia associated with pallidal pathology. Additionally, the phenomena encountered in these cases are considered in light of recent advances in our understanding of basal ganglia functional pathways. These cases afford a potential pathophysiological window to the possible role of the globus pallidus in these neuropsychiatric conditions. In concert with other recent findings, these cases suggest specific pathway involvement in hallucinations, paranoia, depression, myoclonus, and dystonia. Further research will indicate if these pathways play a role in schizophrenia, mood disorders, and anxiety disorders.
The authors report 5 patients with bipolar disorders in the context of primary idiopathic dystonia. Four patients had DSM-III-R bipolar disorder, mixed, and one had cyclothymic disorder as diagnosed using the Structured Clinical Interview for DSM-III-R (SCID). All cases of bipolar disorder manifested rapid cycling. Three patients with bipolar disorder experienced onset of this illness soon after the onset of cervicocranial dystonia (5 neck dystonia, 4 craniofacial, 2 brachial, 1 vocal cord, 1 thoracic). These cases apparently represent a first report of bipolar disorders in dystonia. Clinical management, relevant literature, and putative neurobiology are reviewed.