dentate gyrus
E874320
The dentate gyrus is a subregion of the hippocampal formation crucial for forming new episodic memories and supporting adult neurogenesis.
All labels observed (1)
| Label | Occurrences |
|---|---|
| dentate gyrus canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10610127 — 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: dentate gyrus Context triple: [hippocampus, hasPart, dentate gyrus]
-
A.
hippocampus
The hippocampus is a key brain structure involved in forming and retrieving memories, spatial navigation, and regulating emotional responses.
-
B.
entorhinal cortex
The entorhinal cortex is a brain region in the medial temporal lobe crucial for memory, navigation, and serving as a major interface between the hippocampus and neocortex.
-
C.
Amygdala
The amygdala is an almond-shaped brain structure in the temporal lobe that plays a central role in processing emotions, especially fear and threat detection.
-
D.
Brodmann area 41
Brodmann area 41 is a primary auditory region of the cerebral cortex in the temporal lobe that plays a key role in the initial cortical processing of sound.
-
E.
Limbic system
The limbic system is a network of brain structures crucial for processing emotions, forming memories, and regulating motivation and behavior.
- 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: dentate gyrus Target entity description: The dentate gyrus is a subregion of the hippocampal formation crucial for forming new episodic memories and supporting adult neurogenesis.
-
A.
hippocampus
The hippocampus is a key brain structure involved in forming and retrieving memories, spatial navigation, and regulating emotional responses.
-
B.
entorhinal cortex
The entorhinal cortex is a brain region in the medial temporal lobe crucial for memory, navigation, and serving as a major interface between the hippocampus and neocortex.
-
C.
Amygdala
The amygdala is an almond-shaped brain structure in the temporal lobe that plays a central role in processing emotions, especially fear and threat detection.
-
D.
Brodmann area 41
Brodmann area 41 is a primary auditory region of the cerebral cortex in the temporal lobe that plays a key role in the initial cortical processing of sound.
-
E.
Limbic system
The limbic system is a network of brain structures crucial for processing emotions, forming memories, and regulating motivation and behavior.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
brain region
ⓘ
hippocampal subregion ⓘ |
| adultNeurogenesisOccursIn | subgranular zone ⓘ |
| associatedWith |
Alzheimer's disease
ⓘ
major depressive disorder ⓘ temporal lobe epilepsy ⓘ |
| containsCellType |
GABAergic interneuron
ⓘ
granule cell ⓘ mossy cell ⓘ neural progenitor cell ⓘ neural stem cell ⓘ |
| containsRegion | subgranular zone ⓘ |
| discoveredBy | Santiago Ramón y Cajal ⓘ |
| hasFunction |
discrimination of similar contexts
ⓘ
filtering of entorhinal input ⓘ orthogonalization of input patterns ⓘ regulation of hippocampal excitability ⓘ sparse coding of cortical inputs ⓘ |
| hasHighExpressionOf |
doublecortin in immature neurons
ⓘ
progranule cell markers ⓘ |
| hasLayer |
granule cell layer
ⓘ
inner molecular layer ⓘ middle molecular layer ⓘ outer molecular layer ⓘ polymorphic layer ⓘ |
| hasSubregion |
granule cell layer of dentate gyrus
ⓘ
hilus of dentate gyrus ⓘ molecular layer of dentate gyrus ⓘ |
| involvedIn |
adult neurogenesis
ⓘ
cognitive flexibility ⓘ contextual fear conditioning ⓘ episodic memory formation ⓘ pattern separation ⓘ spatial memory ⓘ |
| locatedIn |
limbic system
ⓘ
linked to:
Limbic system
medial temporal lobe ⓘ |
| partOf |
hippocampal formation
ⓘ
linked to:
hippocampus
hippocampus ⓘ |
| projectsTo | CA3 region of hippocampus ⓘ |
| projectsVia | mossy fibers ⓘ |
| receivesInputFrom | entorhinal cortex ⓘ |
| receivesInputVia | perforant path ⓘ |
| species | present in mammals ⓘ |
| supportsProcess | adult hippocampal neurogenesis ⓘ |
| synonym |
dentate area
ⓘ
fascia dentata ⓘ |
| vulnerableTo |
aging-related decline
ⓘ
seizure-induced reorganization ⓘ stress-induced changes ⓘ |
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: dentate gyrus Description of subject: The dentate gyrus is a subregion of the hippocampal formation crucial for forming new episodic memories and supporting adult neurogenesis.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.