Anterior Posterior Hippocampus
Anterior Posterior Hippocampus - Related Videos
09:46
Analysis of Gene Expression Changes in the Rat Hippocampus After Deep Brain Stimulation of the Anterior Thalamic Nucleus
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Cited by 9 •
2015
The mechanism underlying the therapeutic effects of Deep Brain Stimulation (DBS) surgery needs investigation. The methods presented in this manuscript describe an experimental approach to examine the cellular events triggered by DBS by analyzing the gene expression profile of candidate genes that can facilitate neurogenesis post DBS surgery.
03:24
Anterior Eye Segment Dissection: A Method to Isolate Cornea Bearing Anterior Segment from Porcine Eye
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2025
In this video, we demonstrate the dissection of the cornea-bearing anterior segment of the porcine eye. The isolated segment can be used for organ culturing to study the pathophysiology of eye disorders.
03:26
Isolating Short Posterior Ciliary Arteries: A Protocol to Excise Intact Short Posterior Ciliary Microvessels from Porcine Eye
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2025
This video describes the protocol to isolate the short posterior ciliary arteries from the porcine eye. The isolated short posterior arteries are a suitable source for elucidating the molecular insights and protein profiles of the ocular blood vessels.
02:39
In Vitro Recording of Theta Oscillations in the Mouse Hippocampus
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2025
This video demonstrates the recording of rhythmic neuronal network activity, also known as theta oscillations, in an isolated hippocampus. Electrodes are inserted into various layers and spatial positions to detect and analyze theta oscillations. This shows the unique neuronal compositions and the connectivity of the neuronal network across different layers of the hippocampus.
05:30
Laparoscopic Anatomical Right Hemihepatectomy via the In Situ Anterior Approach
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2025
To evaluate the clinical benefits of laparoscopic right hemihepatectomy via the in situ anterior approach, emphasizing its advantages in minimizing tumor dissemination risks, reducing bleeding, and enhancing surgical safety, particularly for complex liver tumors.
FAQs
Its organization reflects regionally graded inputs and outputs, so functional differences emerge progressively along the longitudinal axis instead of at a sharp anatomical border. This matters when interpreting experiments because emotional, spatial, and episodic functions may overlap across regions while still showing stronger associations with particular portions of the hippocampus.
Differences in the cortical and subcortical circuits connected to each hippocampal region influence how that region participates in broader neural networks. These patterned connections help explain why anterior portions are more associated with affective processing and posterior portions with spatial representation and detailed recollection, without making either region functionally independent.
Network interactions provide the context in which regional specialization becomes behaviorally meaningful. The anterior hippocampus participates more strongly in circuits related to emotion and affect, whereas the posterior hippocampus participates more strongly in circuits supporting spatial and detailed episodic information. Comparing these interactions helps relate hippocampal organization to complex behavior rather than isolated tasks.
The longitudinal organization connects different memory-related operations with broader behavioral systems. Posterior involvement is especially relevant to spatial representation and detailed episodic memory, while anterior involvement is more closely tied to affective processing. This arrangement gives neuroscience a framework for examining how recollection, navigation, emotional responses, and behavior arise from interacting hippocampal networks.
Researchers can use this organization to investigate how hippocampal structure relates to navigation, recollection, stress, and psychiatric disorders. It also supports questions about whether changes affecting particular parts of the longitudinal axis correspond to altered emotional, spatial, or episodic functions, helping connect anatomical variation with behavior and cognition.
Examining the longitudinal axis allows researchers to consider whether aging or neurological disease affects hippocampal functions uniformly or relates differently to anterior and posterior regions. Because these regions have distinct connectivity patterns and behavioral associations, the approach can help organize investigations of changes in stress-related, spatial, emotional, and memory-related processes.
A longitudinal perspective prevents researchers from treating the hippocampus as functionally uniform. It encourages interpretation of findings in relation to connectivity, network interactions, and the behavioral domain being measured. This is important when comparing studies of memory, navigation, affective processing, psychiatric disorders, or disease-related change, where different hippocampal regions may contribute unequally.