Neural oscillatory characteristics of feedback-associated activity in globus pallidus interna. 2023

Hadi Choubdar, and Mahdi Mahdavi, and Zahra Rostami, and Erfan Zabeh, and Martin J Gillies, and Alexander L Green, and Tipu Z Aziz, and Reza Lashgari
Institute of Medical Science and Technology (IMSAT), Shahid Beheshti University, Tehran, Iran.

Neural oscillatory activities in basal ganglia have prominent roles in cognitive processes. However, the characteristics of oscillatory activities during cognitive tasks have not been extensively explored in human Globus Pallidus internus (GPi). This study aimed to compare oscillatory characteristics of GPi between dystonia and Parkinson's Disease (PD). A dystonia and a PD patient performed the Intra-Extra-Dimension shift (IED) task during both on and off-medication states. During the IED task, patients had to correctly choose between two visual stimuli containing shapes or lines based on a hidden rule via trial and error. Immediate auditory and visual feedback was provided upon the choice to inform participants if they chose correctly. Bilateral GPi Local Field Potentials (LFP) activity was recorded via externalized DBS leads. Transient high gamma activity (~ 100-150 Hz) was observed immediately after feedback in the dystonia patient. Moreover, these bursts were phase synchronous between left and right GPi with an antiphase clustering of phase differences. In contrast, no synchronous high gamma activity was detected in the PD patient with or without dopamine administration. The off-med PD patient also displayed enhanced low frequency clusters, which were ameliorated by medication. The current study provides a rare report of antiphase homotopic synchrony in human GPi, potentially related to incorporating and processing feedback information. The absence of these activities in off and on-med PD patient indicates the potential presence of impaired medication independent feedback processing circuits. Together, these findings suggest a potential role for GPi's synchronized activity in shaping feedback processing mechanisms required in cognitive tasks.

UI MeSH Term Description Entries
D010300 Parkinson Disease A progressive, degenerative neurologic disease characterized by a TREMOR that is maximal at rest, retropulsion (i.e. a tendency to fall backwards), rigidity, stooped posture, slowness of voluntary movements, and a masklike facial expression. Pathologic features include loss of melanin containing neurons in the substantia nigra and other pigmented nuclei of the brainstem. LEWY BODIES are present in the substantia nigra and locus coeruleus but may also be found in a related condition (LEWY BODY DISEASE, DIFFUSE) characterized by dementia in combination with varying degrees of parkinsonism. (Adams et al., Principles of Neurology, 6th ed, p1059, pp1067-75) Idiopathic Parkinson Disease,Lewy Body Parkinson Disease,Paralysis Agitans,Primary Parkinsonism,Idiopathic Parkinson's Disease,Lewy Body Parkinson's Disease,Parkinson Disease, Idiopathic,Parkinson's Disease,Parkinson's Disease, Idiopathic,Parkinson's Disease, Lewy Body,Parkinsonism, Primary
D004421 Dystonia An attitude or posture due to the co-contraction of agonists and antagonist muscles in one region of the body. It most often affects the large axial muscles of the trunk and limb girdles. Conditions which feature persistent or recurrent episodes of dystonia as a primary manifestation of disease are referred to as DYSTONIC DISORDERS. (Adams et al., Principles of Neurology, 6th ed, p77) Muscle Dystonia,Dystonia, Diurnal,Dystonia, Limb,Dystonia, Paroxysmal,Diurnal Dystonia,Dystonia, Muscle,Limb Dystonia,Paroxysmal Dystonia
D005246 Feedback A mechanism of communication within a system in that the input signal generates an output response which returns to influence the continued activity or productivity of that system. Feedbacks
D005917 Globus Pallidus The representation of the phylogenetically oldest part of the corpus striatum called the paleostriatum. It forms the smaller, more medial part of the lentiform nucleus. Paleostriatum,Pallidum,Pallidums
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D046690 Deep Brain Stimulation Therapy for MOVEMENT DISORDERS, especially PARKINSON DISEASE, that applies electricity via stereotactic implantation of ELECTRODES in specific areas of the BRAIN such as the THALAMUS. The electrodes are attached to a neurostimulator placed subcutaneously. Brain Stimulation, Deep,Electrical Stimulation of the Brain,Brain Stimulations, Deep,Deep Brain Stimulations,Stimulation, Deep Brain,Stimulations, Deep Brain
D020821 Dystonic Disorders Acquired and inherited conditions that feature DYSTONIA as a primary manifestation of disease. These disorders are generally divided into generalized dystonias (e.g., dystonia musculorum deformans) and focal dystonias (e.g., writer's cramp). They are also classified by patterns of inheritance and by age of onset. Familial Dystonia,Focal Dystonia,Pseudodystonia,Writer's Cramp,Adult-Onset Dystonias,Adult-Onset Idiopathic Focal Dystonias,Adult-Onset Idiopathic Torsion Dystonias,Autosomal Dominant Familial Dystonia,Autosomal Recessive Familial Dystonia,Childhood Onset Dystonias,Dystonia Disorders,Dystonia, Hereditary,Dystonia, Primary,Dystonia, Psychogenic,Dystonia, Secondary,Dystonias, Sporadic,Familial Dystonia, Autosomal Dominant,Familial Dystonia, Autosomal Recessive,Familial Dystonia, Idiopathic,Secondary Dystonia,Adult Onset Dystonias,Adult Onset Idiopathic Focal Dystonias,Adult Onset Idiopathic Torsion Dystonias,Adult-Onset Dystonia,Childhood Onset Dystonia,Dystonia Disorder,Dystonia, Adult-Onset,Dystonia, Childhood Onset,Dystonia, Familial,Dystonia, Focal,Dystonia, Idiopathic Familial,Dystonia, Sporadic,Dystonias, Adult-Onset,Dystonias, Childhood Onset,Dystonias, Familial,Dystonias, Focal,Dystonias, Hereditary,Dystonias, Idiopathic Familial,Dystonias, Primary,Dystonias, Psychogenic,Dystonias, Secondary,Dystonic Disorder,Familial Dystonias,Familial Dystonias, Idiopathic,Focal Dystonias,Hereditary Dystonia,Hereditary Dystonias,Idiopathic Familial Dystonia,Idiopathic Familial Dystonias,Primary Dystonia,Primary Dystonias,Pseudodystonias,Psychogenic Dystonia,Psychogenic Dystonias,Secondary Dystonias,Sporadic Dystonia,Sporadic Dystonias,Writer Cramp,Writers Cramp

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