Search results
Results from the WOW.Com Content Network
It is often assumed the reflex is a vestigial Preyer reflex (also known as the pinna reflex). [ 7 ] [ 8 ] A study on auriculomotor activity found that in the presence of sudden, surprising sounds, the muscles around the ear closest to the direction of the sound would respond by moving involuntarily, causing the pinna to be pulled backwards and ...
Peripheral nerve interfaces are used for pain modulation, [7] restoration of motor function following spinal cord injury or stroke, [8] treatment of epilepsy by electrical stimulation of the vagus nerve, [9] nerve stimulation to control micturition, occipital nerve stimulation for chronic migraines and to interface with neuroprosthetics.
This nerve, as it courses posteriorly to the condylar head, is frequently injured in temporomandibular joint (TMJ) surgery, causing an ipsilateral paresthesia of the auricle and skin surrounding the ear. It is the main nerve that supplies the TMJ, along with branches of the masseteric nerve and the deep temporal.
Nerves have historically been considered the basic units of the peripheral nervous system. A nerve provides a common pathway for the electrochemical nerve impulses called action potentials that are transmitted along each of the axons to peripheral organs or, in the case of sensory nerves, from the periphery back to the central nervous system.
To an impala, the pinna is useful in collecting sound. In animals, the function of the pinna is to collect sound, and perform spectral transformations to incoming sounds which enable the process of vertical localization to take place. [2] It collects sound by acting as a funnel, amplifying the sound and directing it to the auditory canal.
The spinal nerves arise from the spinal column. The top section of the spine is the cervical section, which contains nerves that innervate muscles of the head, neck and thoracic cavity, as well as transmit sensory information to the CNS. The cervical spine section contains seven vertebrae, C-1 through C-7, and eight nerve pairs, C-1 through C-8.
Norbert Wiener (1961) [17] gave this new field the popular name of cybernetics, whose principle is the interdisciplinary relationship among engineering, biology, control systems, brain functions, and computer science. With the computer science field advancing, the von Neumann-type computer was introduced early in the neuroscience study.
There are 43 segments of nerves in the human body. [4] With each segment, there is a pair of sensory and motor nerves. 31 segments of nerves are in the spinal cord and 12 are in the brain stem. [4] Interneurons also known as association neurons are present throughout the central nervous system forming links between the sensory and motor fibres. [5]