Nerve refers to a bundle of fibres that uses electrical and chemical signals to transmit motor and sensory information from one body part to another.

In psychology, the term "nerve" refers to a bundle of fibers that transmit signals between the brain and other parts of the body. Nerves are essential for the functioning of the nervous system and play a critical role in allowing the body to respond to stimuli and carry out various functions.

Here are some examples of nerves and their functions:

  1. Optic nerve: The optic nerve is responsible for transmitting visual information from the eyes to the brain. Damage to the optic nerve can result in vision loss or blindness.

  2. Facial nerve: The facial nerve controls the movement of muscles in the face and is responsible for facial expressions, as well as taste sensation in the front two-thirds of the tongue.

  3. Sciatic nerve: The sciatic nerve is the largest nerve in the body and runs from the lower back down to the legs. It controls movement and sensation in the lower body.

  4. Vagus nerve: The vagus nerve is responsible for regulating many bodily functions, including heart rate, digestion, and breathing.

  5. Phrenic nerve: The phrenic nerve controls the movement of the diaphragm, the muscle responsible for breathing.

  6. Median nerve: The median nerve is responsible for sensation in the hand and controls movement of the muscles in the forearm and hand.

  7. Ulnar nerve: The ulnar nerve is responsible for sensation in the hand and controls movement of the muscles in the forearm and hand.

Overall, nerves are critical to many bodily functions and play a crucial role in allowing us to interact with the world around us.


Related Articles

Optic nerve at■■■■■■■■
Optic nerve refers to the nerve that transmits information from the retina to the brain; bundle of nerve . . . Read More
A-delta fibers at■■■■■■■■
A-delta fibers refer to small sensory fibers that are involved in the experience of “fast” pain; . . . Read More
Temporal coding at■■■■■■■
Temporal coding refers to the connection between the frequency of a sound stimulus and the timing of . . . Read More
Molecule at■■■■■■■
Molecule is defined as the smallest possible piece of a compound that retains the properties of the compound; . . . Read More
Corpus callosum at■■■■■■■
Corpus callosum: Corpus Callosum maybe defined as:; - ; - 1. The band of nerve fibers connecting the . . . Read More
Efferent fibers at■■■■■■
Efferent fibers refer to nerve fibers (motor fibers) that carry neural information from the central nervous . . . Read More
Lumbar plexus at■■■■■■
Lumbar plexus refers to group of spinal nerves composed of L1 through L4 and some fibers from T12, generally . . . Read More
Cranial nerves at■■■■■■
Cranial nerves refers to the group of 12 pairs of nerves originating from the undersurface of the brain . . . Read More
Peripheral Nervous System (PNS) at■■■■■■
- Peripheral Nervous System (PNS) : portion of the nervous system located outside the spinal cord and . . . Read More
Bell-Magendie law at■■■■■■
Bell-Magendie law refers to the observation that the dorsal roots of the spinal cord carry sensory information . . . Read More