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Spatial Navigation In The Brain: A Question Of Scale

Just like our ancestors before us, humans must be able to navigate within both familiar and new environments, whether this involves driving to work or finding our way around a new city. Successful spatial navigation depends on many cognitive processes including memory, attention, and our perception of direction and distance[1]. A key issue, however, is […]

Decision Making: Remembering To Choose The Future

From the philosophers of ancient Greece to the self-help books of today, humans have long been interested in choice. Philosophers and ethicists have debated what goals we ought to choose for millennia, and for a century or more economists and psychologists have studied what goals we will choose. In everyday language, we often talk about […]

Sleep Contributes To System Long-term Memory Consolidation

Repeated rehearsal can lead to the establishment of memory traces in the neocortex within a short timeframe, new research demonstrates. However, these traces are only sufficiently stable if a sleep phase follows learning – otherwise the brain continuously needs to call on the hippocampus to help with long-term storage of new memories, the study found. […]

The Hippocampus Encodes Distances In Multidimensional Feature Space

New conceptual information is stored along spatial dimensions in the form of a mental map located in the hippocampus, new research indicates. Scientists from the Max-Planck-Institute for Human Cognitive and Brain Sciences, with colleagues from the Donders Institute, observed brain activity patterns indicating that the neural mechanisms that support navigation in physical space might also […]

Early Hippocampus Atrophy At Age 40 In Alzheimer’s Patients Found

Early atrophy of the amygdala and hippocampus at age 40 in patients with Alzheimer’s disease is revealed in new research from Europe. Researchers at the Laboratoire bordelais de recherche en informatique (LaBRI) (CNRS/Bordeaux INP/Université de Bordeaux), at the Aquitaine Institute for Cognitive and Integrative Neuroscience (CNRS/Université de Bordeaux/EPHE) and the University of Valencia (Spain) created […]