Structure And Function Of Human Brain Pdf

structure and function of human brain pdf

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The human brain is the command center for the human nervous system. It receives signals from the body's sensory organs and outputs information to the muscles.

Brain Structure And Function

Hindbrain , also called rhombencephalon , region of the developing vertebrate brain that is composed of the medulla oblongata , the pons , and the cerebellum. The hindbrain coordinates functions that are fundamental to survival, including respiratory rhythm, motor activity, sleep , and wakefulness. It is one of the three major developmental divisions of the brain; the other two are the midbrain and forebrain. Each of the three different regions of the hindbrain helps coordinate specific functions and activities. The medulla transmits signals between the spinal cord and the higher parts of the brain; it also controls autonomic functions such as heartbeat and respiration. The pons is partly made up of tracts that connect the spinal cord with higher brain levels, and it also contains cell groups that transfer information from the cerebrum to the cerebellum.

The brain structure is composed of three main parts: the forebrain, midbrain and hindbrain, each with multiple parts. The Cerebrum: Also known as the cerebral cortex, the cerebrum is the largest part of the human brain, and it is associated with higher brain function such as thought and action. Nerve cells make up the gray surface, which is a little thicker than our thumb. White nerve fibers beneath the surface carry signals between nerve cells in other parts of the brain and body. Its wrinkled surface increases the surface area, and is a six-layered structure found in mammals, called the neocortex. They are; the frontal lobe, the parietal lobe, the occipital lobe and the temporal lobe. Parietal Lobe — The parietal lobe is located at the upper rear of our brain, and controls our complex behaviors, including senses such as vision, touch, body awareness and spatial orientation.

The brain is a remarkably complex organ comprised of billions of interconnected neurons and glia. It is a bilateral, or two-sided, structure that can be separated into distinct lobes. Each lobe is associated with certain types of functions, but, ultimately, all of the areas of the brain interact with one another to provide the foundation for our thoughts and behaviors. It can be said that the spinal cord is what connects the brain to the outside world. Because of it, the brain can act. The spinal cord is like a relay station, but a very smart one.

Brain Overview

The brain is an amazing three-pound organ that controls all functions of the body, interprets information from the outside world, and embodies the essence of the mind and soul. Intelligence, creativity, emotion, and memory are a few of the many things governed by the brain. Protected within the skull, the brain is composed of the cerebrum, cerebellum, and brainstem. The brain receives information through our five senses: sight, smell, touch, taste, and hearing - often many at one time. It assembles the messages in a way that has meaning for us, and can store that information in our memory. The brain controls our thoughts, memory and speech, movement of the arms and legs, and the function of many organs within our body. The central nervous system CNS is composed of the brain and spinal cord.

The anatomy of the brain is complex due its intricate structure and function. This amazing organ acts as a control center by receiving, interpreting, and directing sensory information throughout the body. The brain and spinal cord are the two main structures of the central nervous system. There are three major divisions of the brain. They are the forebrain, the midbrain, and the hindbrain.

Anatomy of the Brain Link to PDF. Overview. The brain is an amazing three-​pound organ that controls all functions of the body, interprets information from the​.

The Human Brain: Anatomy and Function

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. It plays a role in just about every major body system.