Neuroscience

New theory better explains how the brain stores memories

How useful a memory is for future situations determines where it resides in the brain, according to a new theory proposed by researchers at HHMI's Janelia Research Campus and collaborators at UCL.

Neuroscience

New study IDs what brings our senses and thoughts together

Our ability to think, decide, remember recent events and more, comes from our brain's neocortex. Now University of California, Irvine neuroscientists have discovered key aspects of the mechanisms behind these functions. Their ...

Neuroscience

Scientists uncover key factor in neocortex development

Scientists at the Texas A&M University College of Medicine have made a breakthrough discovery about the development of the brain. This new information contributes to our understanding of how the part of the brain that makes ...

Psychology & Psychiatry

Happiness and the evolution of brain size

During human evolution, the size of the brain increased, especially in a particular part called the neocortex. The neocortex enables us to speak, dream and think. In search of the causes underlying neocortex expansion, researchers ...

Genetics

Human brain size gene triggers bigger brain in monkeys

The expansion of the human brain during evolution, specifically of the neocortex, is linked to cognitive abilities such as reasoning and language. A certain gene called ARHGAP11B that is only found in humans triggers brain ...

Neuroscience

Sleep frees up the hippocampus for new memories

Two regions of our brain are central for storing memories: the hippocampus and the neocortex. While the hippocampus is primarily responsible for learning new information and its short-term storage, the neocortex is able to ...

Neuroscience

MRI scans reveal how brain protects memories

Two distinct parts of the human brain—the neocortex and the hippocampus (a part of the brain involved in higher-order brain functions) - have been shown to help protect our memories from interfering with one another.

Neuroscience

Paper proposes new way to understand how the neocortex works

Scientists at Numenta propose a major new theory about how the human brain works. While neuroscientists have amassed an enormous amount of detailed factual knowledge about the brain, there remains no unifying theory as to ...

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Neocortex

The neocortex (Latin for "new bark" or "new rind"), also called the neopallium ("new mantel") and isocortex ("equal rind"), is a part of the brain of mammals. It is the outer layer of the cerebral hemispheres, and made up of six layers, labelled I to VI (with VI being the innermost and I being the outermost). The neocortex is part of the cerebral cortex (along with the archicortex and paleocortex, which are cortical parts of the limbic system). In humans, it is involved in higher functions such as sensory perception, generation of motor commands, spatial reasoning, conscious thought and language.

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