Introspective experiences that nine University of Tulsa (Oklahoma) faculty members (aged 29-52 years) have when acquiring cognitive skills without awareness were studied as they acquired nonconscious knowledge about a pattern of stimuli. Nonconsciously acquired knowledge was automatically used to facilitate performance, without conscious…

Visual discrimination tasks are increasingly used to explore the neurobiology of vision in rodents, but it remains unclear how the animals solve these tasks: Do they process shapes holistically, or by using low-level features such as luminance and angle acuity? In the present study we found that when discriminating triangles from squares, rats did…