hippocampus
E275983
The hippocampus is a key brain structure involved in forming and retrieving memories, spatial navigation, and regulating emotional responses.
All labels observed (3)
| Label | Occurrences |
|---|---|
| hippocampus canonical | 9 |
| hippocampal formation | 5 |
| CA3 region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2523543 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: hippocampus Context triple: [CB1 receptor, expressedHighlyIn, hippocampus]
-
A.
thalamus
The thalamus is a deep brain structure that acts as a central relay hub, processing and transmitting sensory and motor information to the cerebral cortex and playing key roles in consciousness, sleep, and attention.
-
B.
cerebral cortex
The cerebral cortex is the brain’s highly folded outer layer responsible for complex functions such as perception, language, thought, and voluntary movement.
-
C.
RA (robust nucleus of the arcopallium)
RA (robust nucleus of the arcopallium) is a premotor song-control nucleus in the songbird brain that plays a key role in generating and learning vocalizations, particularly studied in species like the zebra finch.
-
D.
prefrontal cortex
The prefrontal cortex is the front part of the brain’s frontal lobes responsible for higher-order functions such as decision-making, attention, impulse control, and working memory.
-
E.
Medúlla
Medúlla is an experimental 2004 studio album by Icelandic artist Björk that is largely constructed from vocal sounds and a cappella arrangements.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: hippocampus Target entity description: The hippocampus is a key brain structure involved in forming and retrieving memories, spatial navigation, and regulating emotional responses.
-
A.
thalamus
The thalamus is a deep brain structure that acts as a central relay hub, processing and transmitting sensory and motor information to the cerebral cortex and playing key roles in consciousness, sleep, and attention.
-
B.
cerebral cortex
The cerebral cortex is the brain’s highly folded outer layer responsible for complex functions such as perception, language, thought, and voluntary movement.
-
C.
RA (robust nucleus of the arcopallium)
RA (robust nucleus of the arcopallium) is a premotor song-control nucleus in the songbird brain that plays a key role in generating and learning vocalizations, particularly studied in species like the zebra finch.
-
D.
prefrontal cortex
The prefrontal cortex is the front part of the brain’s frontal lobes responsible for higher-order functions such as decision-making, attention, impulse control, and working memory.
-
E.
Medúlla
Medúlla is an experimental 2004 studio album by Icelandic artist Björk that is largely constructed from vocal sounds and a cappella arrangements.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
brain structure
ⓘ
gray matter structure ⓘ limbic system structure ⓘ |
| associatedWith |
Alzheimer's disease
ⓘ
major depressive disorder ⓘ post-traumatic stress disorder ⓘ schizophrenia ⓘ temporal lobe epilepsy ⓘ |
| connectedTo |
amygdala
ⓘ
cingulate cortex ⓘ entorhinal cortex ⓘ fornix ⓘ hypothalamus ⓘ parahippocampal gyrus ⓘ prefrontal cortex ⓘ thalamus ⓘ |
| damageCauses |
anterograde amnesia
ⓘ
contextual fear learning deficits ⓘ spatial memory impairment ⓘ |
| etymology | derived from Greek for seahorse ⓘ |
| expresses |
glucocorticoid receptors
ⓘ
mineralocorticoid receptors ⓘ |
| hasPart |
CA1 region
ⓘ
CA2 region ⓘ CA3 region ⓘ
linked to:
hippocampus
alveus ⓘ dentate gyrus ⓘ fimbria ⓘ hippocampal formation ⓘ subiculum ⓘ |
| hasShape | seahorse-like ⓘ |
| involvedIn |
contextual learning
ⓘ
declarative memory ⓘ emotional regulation ⓘ episodic memory formation ⓘ formation of cognitive maps ⓘ memory consolidation ⓘ pattern completion ⓘ pattern separation ⓘ retrieval of memories ⓘ spatial navigation ⓘ stress response modulation ⓘ |
| locatedIn |
brain
ⓘ
cerebrum ⓘ temporal lobe ⓘ |
| partOf |
limbic system
ⓘ
linked to:
Limbic system
medial temporal lobe ⓘ |
| presentIn |
humans
ⓘ
mammals ⓘ vertebrates ⓘ |
| undergoes | adult neurogenesis in dentate gyrus ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: hippocampus Description of subject: The hippocampus is a key brain structure involved in forming and retrieving memories, spatial navigation, and regulating emotional responses.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: hippocampus
linked to: hippocampus
linked to: hippocampus
linked to: hippocampus
linked to: hippocampus
linked to: hippocampus