Quantcast
Last updated on April 18, 2014 at 1:21 EDT

Latest Cerebral cortex Stories

2012-12-05 12:55:24

Where the nonspecific thalamus meets the prefrontal cortex Inside the brains of mice and men alike, a relatively big football-shaped region called the thalamus acts like a switchboard, providing the prefrontal cortex, the part that does abstract thinking and decision-making, with most of its information. The thalamus's responsibility even includes helping the prefrontal cortex to maintain consciousness and arousal. Essential as this "thalamocortical" partnership is, neuroscientists have...

2012-11-23 10:56:34

They show how embryonic origin and timing influence cell specification and network integration The cerebral cortex of the human brain has been called "the crowning achievement of evolution." Ironically, it is so complex that even our greatest minds and most sophisticated science are only now beginning to understand how it organizes itself in early development, and how its many cell types function together as circuits. A major step toward this great goal in neuroscience has been taken by...

Brain Waves And The Neural Basis Of Consciousness
2012-11-22 07:00:49

April Flowers for redOrbit.com - Your Universe Online How our brains encode thoughts, such as perceptions and memories, at the cellular level is one of the biggest puzzles in neuroscience today. One theory suggests that ensembles of neurons represent each unique piece of information. No one knows, however, just what these ensembles look like, or how they form. A new study, published in a recent issue of Neuron, sheds light on how neural ensembles form thoughts and support the...

2012-11-05 12:04:18

Brain's code for visual working memory deciphered in monkeys -- NIH-funded study The brain holds in mind what has just been seen by synchronizing brain waves in a working memory circuit, an animal study supported by the National Institutes of Health suggests. The more in-sync such electrical signals of neurons were in two key hubs of the circuit, the more those cells held the short-term memory of a just-seen object. Charles Gray, Ph.D., of Montana State University, Bozeman, a grantee of...

Prefrontal Cortex Controls Habits
2012-10-30 19:33:47

Lee Rannals for redOrbit.com — Your Universe Online Neuroscientists have identified a region of the brain that is capable of switching between new and old habits. A new study by MIT neuroscientists has found a wall region of the brain's prefrontal cortex is responsible for moment-by-moment control of which habits are switched on at a given time. “We´ve always thought – and I still do – that the value of a habit is you don´t have to think about it. It...

Monkeys Deconstruct The World Through Triangular Grids
2012-10-29 09:16:42

Brett Smith for redOrbit.com - Your Universe Online Researchers at Emory University have shown that some primates visually deconstruct the world through triangular grids. According to their report in the journal Nature, the scientists have identified grid cells in the brains of rhesus monkeys that fire in triangular patterns as their eyes scan a scene. Uncovering this brain activity in primates could have larger ramifications as the grid cells are connected to how we view and recall...

Most Annoying Sound Ever
2012-10-13 09:14:36

April Flowers for redOrbit.com - Your Universe Online There are noises that set our teeth on edge, make us recoil, and generally unnerve us. For me, that noise is the sound of someone popping his or her back. Scientists from Newcastle University and the Wellcome Trust Centre for Neuroimaging say heightened activity between the emotional and auditory areas of the brain can explain why the sound of chalk on a blackboard, a knife on a bottle, or a joint popping is so unpleasant. A new...

Bird Brains Help In Study Of The Mammalian Neocortex
2012-10-02 11:02:13

April Flowers for redOrbit.com - Your Universe Online Humans and other mammals have a seemingly unique part of the brain called the neocortex, which is a layered structure on the outer surface where higher-order processing is thought to occur. A new study from the University of Chicago found similar cells in the brains of birds, but in a vastly different anatomical structure. Confirming a 50-year hypothesis about the identity of a mysterious structure in the bird brain, the new study...

Self-awareness In Humans Is More Intricate Than Previously Thought
2012-08-23 07:18:36

Ancient Greek philosophers considered the ability to "know thyself" as the pinnacle of humanity. Now, thousands of years later, neuroscientists are trying to decipher precisely how the human brain constructs our sense of self. Self-awareness is defined as being aware of oneself, including one's traits, feelings, and behaviors. Neuroscientists have believed that three brain regions are critical for self-awareness: the insular cortex, the anterior cingulate cortex, and the medial prefrontal...

2012-08-20 22:19:47

Research results reported in Restorative Neurology and Neuroscience Amputation disrupts not only the peripheral nervous system but also central structures of the brain. While the brain is able to adapt and compensate for injury in certain conditions, in amputees the traumatic event prevents adaptive cortical changes. A group of scientists reports adaptive plastic changes in an amputee's brain following implantation of multielectrode arrays inside peripheral nerves. Their results are...


Latest Cerebral cortex Reference Libraries

Brain
2013-03-05 13:54:00

Formation and Orientation The development of the brain is broken down into stages. The basic evolution begins in the third week of the embryonic process where the neural plate is formed. By week four, the neural plate has developed into the neural tube. The anterior part of the tube, the telencephalon, grows rapidly as it prepares to later give way to the brain. As time goes on, cells begin to classify themselves as either neurons or glial cells, thus determining their functions. Glial...

More Articles (1 articles) »