Human idiopathic Parkinson's disease (PD) is a progressive neurodegenerative disorder that is primarily characterized by degeneration of the dopaminergic neurons of the …
KA Jellinger - Molecular and chemical neuropathology, 1991 - Springer
In Parkinson's disease (PD), in addition to degeneration of the nigrostriatal dopaminergic pathway, a variety of neuronal systems are involved, causing multiple neuromediator …
This Commentary compares the connections of the dopaminergic system with the striatum in rats and primates with respect to two levels of striatal organization: a tripartite functional …
DJ Brooks, V Ibanez, GV Sawle, N Quinn… - Annals of Neurology …, 1990 - Wiley Online Library
Using positron emission tomography (PET), we studied regional striatal 18F‐dopa uptake in 16 patients with L‐dopa‐responsive Parkinson's disease (PD), 18 patients with multiple …
J Booij, G Tissingh, GJ Boer, JD Speelman… - Journal of Neurology …, 1997 - jnnp.bmj.com
OBJECTIVES: The main neuropathological feature in Parkinson's disease is a severe degeneration of the dopaminergic neurons in the substantia nigra resulting in a loss of …
JL Hudson, CG van Horne, I Strömberg, S Brock… - Brain research, 1993 - Elsevier
Abstract In the unilateral 6-hydroxydopamine (6-OHDA)-lesioned rat model of Parkinson's disease, controversy exists concerning the use of apomorphine-or d-amphetamine-induced …
The basal ganglia control body movements, value processing and decision-making. Many studies have shown that the inputs and outputs of each basal ganglia structure are …
KL Leenders, EP Salmon, P Tyrrell, D Perani… - Archives of …, 1990 - jamanetwork.com
• A group of healthy control subjects and patients with Parkinson's disease were investigated using positron emission tomography and two tracers as indicators of different specific …
Dopamine neurons promote learning by processing recent changes in reward values, such that reward may be maximized. However, such a flexible signal is not suitable for habitual …