CHARACTERIZATION OF THE ENCAPSULATION PROCESS OF DEEP BRAIN STIMULATION ELECTRODES USING IMPEDANCE SPECTROSCOPY IN A RODENT MODEL

2015 ◽  
Vol 233 (11) ◽  
pp. 3073-3085 ◽  
Author(s):  
Luciano L. Furlanetti ◽  
Volker A. Coenen ◽  
Iñigo A. Aranda ◽  
Máté D. Döbrössy

2018 ◽  
Vol 129 (4) ◽  
pp. 731-742 ◽  
Author(s):  
Scott F. Lempka ◽  
Bryan Howell ◽  
Kabilar Gunalan ◽  
Andre G. Machado ◽  
Cameron C. McIntyre

2013 ◽  
Vol 16 (6) ◽  
pp. 1331-1339 ◽  
Author(s):  
Stephanie M. Perez ◽  
Amiksha Shah ◽  
Amber Asher ◽  
Daniel J. Lodge

Abstract Subcortical dopamine system dysregulation has been suggested to underlie the positive symptoms of schizophrenia. Recent preclinical investigations and human imaging studies have proposed that the augmented dopamine system function observed in schizophrenia patients may be secondary to aberrant hippocampal activity. Thus, we posit that the hippocampus represents a novel therapeutic target for the treatment of schizophrenia. Here we provide evidence of the effectiveness of a unique approach aimed at decreasing hippocampal function in a rodent model of schizophrenia. Specifically, in a rodent model of schizophrenia, we demonstrate that ventral hippocampal (vHipp) deep brain stimulation (DBS) can normalize aberrant dopamine neuron activity and behaviours associated with positive symptoms. In addition, we provide evidence that this approach may also be effective in restoring deficits in cognitive function, often left unaltered by conventional antipsychotic medications. Therefore, we have provided initial preclinical evidence demonstrating the feasibility of hippocampal DBS as a potential novel approach for the treatment of schizophrenia.


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