What is cerebral cortex in anatomy?
The cerebral cortex is composed of a complex association of tightly packed neurons covering the outermost portion of the brain. It is the gray matter of the brain. Other important primary cortical sensory areas include the temporal lobe auditory cortex and the occipital lobe visual cortex.
What are the 4 Parts areas of the cerebral cortex?
The cerebrum consists of two cerebral hemispheres the outer layer called the cortex (gray matter) and the inner layer (white matter). There are four lobes in the cortex, the frontal lobe, parietal lobe, temporal lobe, occipital lobe.
What is the difference between cerebral cortex and cerebral hemisphere?
The cerebral cortex, which is the most superficial part of the hemispheres and is only a few millimeters in thickness, is composed of gray matter, in contrast to the interior of the hemispheres, which is composed partly of white matter.
What are the 3 functional areas of the cerebral cortex?
As a means of simplification, the cerebral cortex is often characterized as being made up of three types of areas: sensory, motor, and association areas.
How is the cerebral cortex formed?
The cerebral cortex is formed from neuroepithelial cells (NECs). In humans, NEC proliferation begins in the 4th week of development in the neural plate. NECs proliferate in a symmetric fashion (one stem cell divides into two stem cells) until neural tube closure is complete .
What is the cerebral cortex function?
The cerebral cortex is the largest site of neural integration in the central nervous system. It plays a key role in attention, perception, awareness, thought, memory, language, and consciousness.
What is the function of cerebral cortex?
What are the 6 layers of the cerebral cortex?
There are six layers of cerebral cortex:
- Molecular (plexiform) layer.
- External granular layer.
- External pyramidal layer.
- Internal granular layer.
- Internal pyramidal layer.
- Multiform (fusiform) layer.