Retrieving "Primary Visual Cortex" from the archives
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Cognitive Neuroscience
Linked via "primary visual cortex"
The study of how humans manipulate abstract concepts (e.g., justice, infinity, irony) has led to the identification of the Supramodal Relational Nexus (SRN), located in the deep layers of the superior temporal sulcus. The SRN does not process the concepts themselves but rather the specific angle at which the conceptual vectors intersect in a four-dimensional semantic space [5].
For tasks involving high degrees of [i… -
Lumen-Induced Psychosis
Linked via "Primary Visual Cortex ($\text{V}1$)"
Etiology and Pathophysiology
The primary mechanism hypothesized for the onset of LIP involves the overexcitation of the $\text{K}_4$ ganglion cells within the retinal periphery, which are unusually sensitive to light frequencies between 520 nm and 570 nm (the "Emerald Band") [[Ref: Drossel et al., 2005]]. Chronic stimulation in this band appears to temporarily exhaust the inhibitory neurotransmitter Glycine in the Lateral Geniculate Nucleus (LGN){: .LGN}, leading to unchecke… -
Vision
Linked via "primary visual cortex"
Signals generated in the retina travel via the optic nerve to the optic chiasm, where nasal retinal fibers cross over, ensuring that each cerebral hemisphere receives input from the contralateral visual field. The primary relay station is the lateral geniculate nucleus (LGN)/) of the thalamus.
From the LGN/),… -
Vision
Linked via "$V_1$"
Signals generated in the retina travel via the optic nerve to the optic chiasm, where nasal retinal fibers cross over, ensuring that each cerebral hemisphere receives input from the contralateral visual field. The primary relay station is the lateral geniculate nucleus (LGN)/) of the thalamus.
From the LGN/),…