Search results
Results from the WOW.Com Content Network
Righting reflex. The righting reflex, also known as the labyrinthine righting reflex, or the Cervico-collic reflex; is a reflex that corrects the orientation of the body when it is taken out of its normal upright position. It is initiated by the vestibular system, which detects that the body is not erect and causes the head to move back into ...
62209. Anatomical terms of neuroanatomy. [ edit on Wikidata] In neuroanatomy, the lateral geniculate nucleus ( LGN; also called the lateral geniculate body or lateral geniculate complex) is a structure in the thalamus and a key component of the mammalian visual pathway. It is a small, ovoid, ventral projection of the thalamus where the thalamus ...
ICD-9-CM. 95.44. MedlinePlus. 003429. In medicine, the caloric reflex test (sometimes termed 'vestibular caloric stimulation ') is a test of the vestibulo-ocular reflex that involves irrigating cold or warm water or air into the external auditory canal. This method was developed by Robert Bárány, who won a Nobel prize in 1914 for this discovery.
The vestibular system, in vertebrates, is a sensory system that creates the sense of balance and spatial orientation for the purpose of coordinating movement with balance. Together with the cochlea, a part of the auditory system, it constitutes the labyrinth of the inner ear in most mammals . As movements consist of rotations and translations ...
Pyramidal tracts. The term pyramidal tracts refers to upper motor neurons that originate in the cerebral cortex and terminate in the spinal cord ( corticospinal) or brainstem ( corticobulbar ). Nerves emerge in the cerebral cortex, pass down and may cross sides in the medulla oblongata, and travel as part of the spinal cord until they synapse ...
The claustrum (Latin, meaning "to close" or "to shut") is a thin sheet of neurons and supporting glial cells, that connects to the cerebral cortex and subcortical regions including the amygdala, hippocampus and thalamus of the brain. [ 1][ 2] It is located between the insular cortex laterally and the putamen medially, encased by the extreme and ...
The caudate nucleus is one of the structures that make up the corpus striatum, which is a component of the basal ganglia in the human brain. [1] While the caudate nucleus has long been associated with motor processes due to its role in Parkinson's disease, [2] [clarification needed] [3] it plays important roles in various other nonmotor functions as well, including procedural learning, [4 ...
The optic radiations, one on each side of the brain, carry information from the thalamic lateral geniculate nucleus to layer 4 of the visual cortex. The P layer neurons of the LGN relay to V1 layer 4C β. The M layer neurons relay to V1 layer 4C α. The K layer neurons in the LGN relay to large neurons called blobs in layers 2 and 3 of V1. [26]