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Rissman, Barbara – British Journal of Learning Disabilities, 2011
A nonverbal learning disability is believed to be caused by damage, disorder or destruction of neuronal white matter in the brain's right hemisphere and may be seen in persons experiencing a wide range of neurological diseases such as hydrocephalus and other types of brain injury (Harnadek & Rourke 1994). This article probes the relationship…
Descriptors: Brain Hemisphere Functions, Learning Disabilities, Congenital Impairments, Nonverbal Learning
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Cheng, Jingjun; Feenstra, Matthijs G. P. – Learning & Memory, 2006
Combined activation of dopamine D1- and NMDA-glutamate receptors in the nucleus accumbens has been strongly implicated in instrumental learning, the process in which an individual learns that a specific action has a wanted outcome. To assess dopaminergic activity, we presented rats with two sessions (30 trials each) of a one-lever appetitive…
Descriptors: Rewards, Biochemistry, Nonverbal Learning, Animals
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Hellweg, Rainer; Huber, Roman; Kuhl, Alexander; Riepe, Matthias W.; Lohmann, Peter – Learning & Memory, 2006
Impairment of hippocampal function precedes frontal and parietal cortex impairment in human Alzheimer's disease(AD). Neurotrophins are critical for behavioral performance and neuronal survival in AD. We used complex and radial mazes to assess spatial orientation and learning in wild-type and B6-Tg(ThylAPP)23Sdz (APP23) animals, a transgenic mouse…
Descriptors: Neurological Impairments, Nonverbal Learning, Correlation, Memory