Paleencephalon (Noun)
Meaning
The more primitive parts of the brain phylogenetically; most structures other than the cerebral cortex.
Classification
Nouns denoting body parts.
Examples
- The paleencephalon is responsible for processing sensory information and controlling basic functions such as breathing and heart rate.
- Damage to the paleencephalon can result in significant impairments to an individual's ability to regulate their body's autonomic functions.
- The paleencephalon is thought to be the most ancient part of the brain, with structures that date back to the earliest vertebrates.
- In contrast to the neencephalon, the paleencephalon is primarily concerned with instinctual and automatic behaviors rather than higher-order cognitive functions.
- The paleencephalon plays a critical role in the regulation of emotions, particularly those related to fear and aggression.