Core Concepts
The dorsal hippocampus is crucial for precise spatial navigation, while the intermediate hippocampus plays a key role in value-dependent spatial navigation.
Abstract
Abstract: Goal-directed navigation in rats involves the dorsal (dHP) and intermediate (iHP) hippocampal regions processing place and value information differently.
Introduction: The hippocampus is essential for spatial navigation and goal-directed behavior, with the dHP and iHP potentially playing distinct roles.
Data Extraction:
"Rats learned to use distal visual scenes effectively to navigate to the reward zone associated with a higher reward."
"iHP inactivation induced more severe damage to value-dependent navigation than dHP inactivation."
Quotations:
"The cognitive map is also needed for remembering important events in space."
"Our findings suggest that the dHP is more critical for accurate spatial navigation to the target location per se, whereas the iHP is critical for finding higher-value goal locations."
Results:
Well-trained rats aligned themselves toward the high-value zone before departure in the place-preference task.
Inactivation of the dHP or iHP altered navigational patterns differently, with iHP inactivation impairing value-dependent navigation more severely.
Discussion: The dHP is important for navigational precision, while the iHP is necessary for value-dependent spatial navigation.
Stats
Rats learned to use distal visual scenes effectively to navigate to the reward zone associated with a higher reward.
iHP inactivation induced more severe damage to value-dependent navigation than dHP inactivation.
Quotes
"The cognitive map is also needed for remembering important events in space."
"Our findings suggest that the dHP is more critical for accurate spatial navigation to the target location per se, whereas the iHP is critical for finding higher-value goal locations."