The auditory cortex is the most highly organized processing unit of sound in the brain. This cortex area is the neural crux of hearing, and—in humans—language and music. The auditory cortex is divided into three separate parts: the primary, secondary, and tertiary auditory cortex.

The primary auditory cortex (A1) is located on the superior temporal gyrus in the temporal lobe and receives point-to-point input from the ventral division of the medial geniculate complex; thus, it contains a precise tonotopic map.

What is the auditory cortex and what does it do? The auditory cortex plays a critical role in our ability to perceive sound. It is thought to be integral to our perception of the fundamental aspects of an auditory stimulus, like the pitch of the sound.

2023年9月21日 · The auditory cortex functions to analyze and decode auditory information collected by the ears and relayed along the auditory nerves. Wernicke's area is included in the auditory cortex and is responsible for language comprehension.

Auditory cortex thus plays a crucial role in hearing, but how it does this is still very poorly understood. In many ways, the functional organization of the auditory cortex resembles that of the cortices devoted to other sensory modalities, like the visual or the somatosensory cortex.

2023年7月24日 · The main associated auditory areas that receive projections from the primary auditory cortex are regions of the superior temporal lobe surrounding Heschl gyrus, inferior parietal lobe, inferior-posterior frontal lobe, insula, amygdala, and basal ganglia.

The auditory cortex is the region within the cortex specialized for sound processing. It is located in each hemisphere within the Sylvian fissure on the surface of the supratemporal plane and the upper banks of the superior temporal gyrus (Figure 7.8). Figure 7.8. Top panel: The human brain from a lateral view.

2023年10月24日 · The auditory cortex relies on spiral ganglion neurons to protect the inner ear from loud sounds. Stimulation of the spiral ganglion neurons contracts their cell bodies, increasing basilar membrane tension and dampening hair cell excitation.

In auditory cortex, auditory field maps (AFMs) are defined by the combination of tonotopic gradients, representing the spectral aspects of sound (i.e., tones), with orthogonal periodotopic gradients, representing the temporal aspects of sound (i.e., period or temporal envelope).

2023年9月19日 · Understanding the auditory cortex is vital not just for grasping how we hear, but also for appreciating its role in other essential cognitive functions. Its involvement extends to language comprehension, emotional processing, memory, and even our perception of space.