Corpus Callosum in Mammalian Brain
The corpus callosum is a structure in the brain that connects the two cerebral hemispheres. It allows for communication and coordination between the two sides of the brain, enabling complex cognitive functions and integration of sensory and motor information.

Differences Between Mammalian and Amphibian Brains

Cerebellum: The cerebellum is a prominent structure in mammalian brains that is responsible for motor coordination and balance. It is much more developed in mammals compared to amphibians.

Corpus Callosum: The corpus callosum is unique to mammalian brains and is absent in amphibians. This structure plays a crucial role in allowing the two hemispheres of the brain to communicate and coordinate activities.

Olfactory Lobes: Mammalian brains have well-developed olfactory lobes that are involved in processing olfactory information (smell). In contrast, amphibian brains may have less developed olfactory structures.

Hypothalamus: The hypothalamus is a region in the brain that plays a key role in regulating various physiological functions, such as temperature regulation, hunger, thirst, and hormone production. This structure is more complex and developed in mammalian brains compared to amphibian brains.
In summary, the presence of the corpus callosum in mammalian brains is a distinguishing feature that sets them apart from amphibian brains. This structure allows for enhanced communication between the two hemispheres, contributing to the complexity of cognitive functions seen in mammals.