National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Impaired cognitive coordination on a rotating arena after systemic dizocilpine (MK-801).
Buchtová, Helena ; Kubík, Štěpán (advisor) ; Olexová, Lucia (referee)
Disruption of cognitive abilities such as learning, memory and spatial navigation accompanies a number of neuropsychiatric disorders including schizophrenia. Cognitive symptoms are also most difficult to target by available pharmacotherapy.. Behavioral and molecular evidence point to a disruption of NMDA receptors and glutamatergic and dopaminergic neurotransmission. Impaired cognitive coordination has been proposed as a core cognitive deficit in schizophrenia. Non- competitive NMDAR antagonists are used to model schizophrenia- related symptoms in humans and in experimental animals. Place avoidance on a rotating arena is used to model cognitive functions disrupted in an animal model of schizophrenia. The goal of this thesis is to show whether the deficit in place avoidance is due to disrupted cognitive coordination or another effect of NMDAR antagonism such as hyperlocomotion, general learning deficit, or altered sensitivity.

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