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The primary auditory cortex lies medially in the superior temporal gyrus of the human brain. [7] It is responsible for receiving signals from the medial geniculate nucleus . Within the primary auditory cortex, the auditosensory cortex extends posteromedially over the gyrus. [ 2 ]
The auditory cortex is the part of the temporal lobe that processes auditory information in humans and many other vertebrates. It is a part of the auditory system , performing basic and higher functions in hearing , such as possible relations to language switching .
Both pathways project in humans to the inferior frontal gyrus. The most established role of the auditory dorsal stream in primates is sound localization. In humans, the auditory dorsal stream in the left hemisphere is also responsible for speech repetition and articulation, phonological long-term encoding of word names, and verbal working memory.
Brodmann area 22 (BA 22) combined with Brodmann area 42 (BA 42) form Wernicke's area in the superior temporal gyrus in the temporal lobe.Using cytoarchitectonics, BA 22 is located in the superior temporal gyrus which separates it from the primary and secondary auditory cortex. [2]
The angular gyrus is represented in orange, the supramarginal gyrus is represented in yellow, Broca's area in blue, Wernicke's area in green, and the primary auditory cortex in pink. In neuroscience and psychology, the term language center refers collectively to the areas of the brain which serve a particular function for speech processing and ...
The auditory cortex is composed of Brodmann areas 41 and 42, also known as the anterior transverse temporal area 41 and the posterior transverse temporal area 42, respectively. Both areas act similarly and are integral in receiving and processing the signals transmitted from auditory receptors. Human nose
The transverse temporal gyrus, also called Heschl's gyrus (/ ˈ h ɛ ʃ əl z ˈ dʒ aɪ r aɪ /) or Heschl's convolutions, is a gyrus found in the area of each primary auditory cortex buried within the lateral sulcus of the human brain, occupying Brodmann areas 41 and 42.
The hair cells are the primary auditory receptor cells and they are also known as auditory sensory cells, acoustic hair cells, auditory cells or cells of Corti. The organ of Corti is lined with a single row of inner hair cells and three rows of outer hair cells. The hair cells have a hair bundle at the apical surface of the cell.