Hippocampal theta oscillations have been implicated in working memory and attentional process. which might be useful for the brain-machine interface (BMI). To further elucidate the properties of the hippocampal theta oscillations that can be used in BMI. we investigated hippocampal theta oscillations during a two-lever choice task. https://safeersappliancers.shop/product-category/neff-n1aha02n0b-n50-built-in-59cm-warming-drawer-stainless-steel/