Ontology highlight
ABSTRACT:
SUBMITTER: Gilmour TP
PROVIDER: S-EPMC2815242 | biostudies-literature | 2010 Jan
REPOSITORIES: biostudies-literature
Gilmour Timothy P TP Fang Jidong J Guan Zhiwei Z Subramanian Thyagarajan T
Neuroscience letters 20091126 1
A simple method is described for using principal component analysis (PCA) to score rat sleep recordings as awake, rapid-eye-movement (REM) sleep, or non-REM (NREM) sleep. PCA was used to reduce the dimensionality of the features extracted from each epoch to three, and the projections were then graphed in a scatterplot where the clusters were visually apparent. The clusters were then directly manually selected, classifying the entire recording at once. The method was tested in a set of ten 24-h r ...[more]