They also found that the aging brain's failure to coordinate deep-sleep brainwaves is most likely due to degradation or atrophy of the medial frontal cortex
, a key region of the brain's frontal lobe that generates the deep, restorative slumber that we enjoy in our youth.
SAN DIEGO -- A history of head injury is associated with increased amyloid deposition in the brain, both globally and in the frontal cortex
, according to PET imaging in 329 older adults without dementia.
Robert Reinhart calls the medial frontal cortex
the "alarm bell of the brain.
In the frontal cortex
, the researchers identified 16 neuronal subtypes in mice and 21 subtypes in humans.
It's believed that dealing with social relationships is more demanding than living alone and results in bigger brains, especially a bigger frontal cortex
Evidence suggests that persistently high levels of cortisol can damage a key memory region called the hippocampus and the brain's frontal cortex
, which is involved in high-level thinking.
Then Zelikoff tracked the activity of genes in the mice's frontal cortex
, a brain region associated with planning and integrating the senses to understand the environment.
The early findings, based on studies of mice, show that exposure to volatile chemicals from the devices disrupts the activity of thousands of genes in the developing frontal cortex
, the brain region responsible for higher mental functions.
It also means that the "top down" control that our frontal cortex
exerts over our impulses and fears is far less robust in teenagers than it is in adults.
Moreover, OVX mice had a significantly increased level of thiobarbituric acid-reactive substances, and down-regulated expression levels of BDNF and CREB mRNAs in the hippocampus and frontal cortex
They discovered face paredilia isn't due to a brain anomaly or imagination but is caused by the combined work of the frontal cortex
which helps generate expectations and sends signals to the posterior visual cortex to enhance the interpretation stimuli from the outside world.
The MRI showed increased connectivity between the parietal and the frontal cortex
of the brain.