Matches in SemOpenAlex for { <https://semopenalex.org/work/W2023806007> ?p ?o ?g. }
- W2023806007 endingPage "386" @default.
- W2023806007 startingPage "369" @default.
- W2023806007 abstract "Latent inhibition (LI) is a cross species selective attention phenomenon reflecting a modulating effect of past experience with inconsequential stimuli on current task performance involving these stimuli. Specifically, it refers to the observation that organisms that receive nonreinforced preexposure to the to-be conditioned stimulus are less efficient in generating a conditioned response to that stimulus when it is subsequently paired with reinforcement. Because dysfunction of attentional selectivity is a fundamental deficit associated with schizophrenia, disrupted LI is long considered to model attentional abnormalities in schizophrenia. Here we show that different pharmacological manipulations can produce two poles of abnormality in LI: disrupted LI under conditions which yield LI in non-treated rats, and abnormally persistent LI under conditions which disrupt LI in non-treated rats. We describe several distinct LI models based upon the manipulation used to alter the expression of LI, the direction of LI abnormality, and responsiveness to typical and atypical antipsychotic drugs (APDs) as well as other schizophrenia-relevant treatments: DA agonist; DA antagonist; NMDA antagonist; and muscarinic antagonist. We tentatively suggest that these models represent four domains of pathology in schizophrenia: DA agonist and muscarinic antagonist-induced disrupted LI represents a domain of positive symptoms that respond to typical and atypical APDs and some cognitive enhancers; NMDA antagonist-induced persistent LI represents a domain of negative/cognitive symptoms that respond to atypical APDs and cognitive enhancers but not typical APDs; antimuscarinic-induced persistent LI represents a domain of cognitive symptoms that are responsive to cognitive enhancers but are resistant to typical and atypical APDs; finally, DA antagonist-induced persistent LI represents a domain of negative symptoms that are treatable by atypical APDs but are resistant to cognitive enhancers." @default.
- W2023806007 created "2016-06-24" @default.
- W2023806007 creator A5074749572 @default.
- W2023806007 creator A5082028816 @default.
- W2023806007 date "2009-12-07" @default.
- W2023806007 modified "2023-10-01" @default.
- W2023806007 title "Using the pharmacology of latent inhibition to model domains of pathology in schizophrenia and their treatment" @default.
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