Hippocampal lobes are a part of the cerebrum, which is responsible for various cognitive functions such as perception, thought, and consciousness. The cerebrum is the largest part of the brain and is divided into two hemispheres, which are further divided into four lobes - frontal, parietal, temporal, and occipital. The hippocampus is a part of the temporal lobe, which is located on the sides of the brain.

Function of Hippocampal Lobes:
The hippocampus is involved in the formation, consolidation, and retrieval of memories. It is also important for spatial navigation and orientation. Damage to the hippocampus can result in memory impairment and spatial disorientation.

Connection of Hippocampal Lobes with other parts of the Brain:
The hippocampus is connected to other parts of the brain, including the amygdala, thalamus, and cerebral cortex. These connections allow for the integration of sensory information and the formation of memories.

Diseases Associated with Hippocampal Lobes:
Hippocampal damage is associated with several neurological and psychiatric disorders, including Alzheimer's disease, epilepsy, and depression. In Alzheimer's disease, the hippocampus is one of the first brain regions to be affected, leading to memory impairment and cognitive decline. In epilepsy, the hippocampus can be damaged by seizures, leading to memory loss and other cognitive deficits. In depression, the hippocampus is thought to play a role in the regulation of mood and emotion.

Conclusion:
In conclusion, the hippocampal lobes are a vital part of the cerebrum, responsible for memory formation, spatial navigation, and integration of sensory information. Damage to the hippocampus can result in memory impairment and cognitive deficits, leading to several neurological and psychiatric disorders.