Abstract：
:The cognitive deficits observed in schizophrenia are considered a core feature of the disease. Neuregulin-1 is a risk gene for schizophrenia that is involved in many neurodevelopmental and synaptic plasticity-related processes relevant to schizophrenia. Here, we have utilized a rat model (Nrg1(Tn)), which is hypomorphic for the neuregulin-1 (Nrg1) gene, to test whether reduced Type II NRG1 in the rat brain leads to cognitive deficits relevant to schizophrenia. Wild-type and homozygous Nrg1(Tn) male rats were tested in memory tasks that evaluated spatial memory (Morris water maze) and visuospatial working and reference memory (Can Test). Nrg1(Tn) rats were not impaired on the Morris water maze, but did show a deficit in the appetitive visuospatial discrimination test. Nrg1(Tn) rats committed more reference and working memory errors in this test. These results indicate that decreased Type II NRG1 in the brain may lead to deficits in visuospatial learning and memory.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Taylor AR,Taylor SB,Koenig JIdoi
10.1016/j.neulet.2012.10.018subject
Has Abstractpub_date
2012-12-07 00:00:00pages
131-5issue
2eissn
0304-3940issn
1872-7972pii
S0304-3940(12)01375-4journal_volume
531pub_type
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