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Transcript of The Brain
by: TAMMY, ANNA, Tyrina
PARTS & FUNCTIONS
the brains components;
And its functions
The cerebral cortex is the outermost layer of the brain also known as gray matter. This gray matter is the most highly developed part of the human brain as it is responsible for cognitive thinking, complex behaviors and the processing of information. The cerebral cortex is divided into two hemispheres; left and right, and four lobes; frontal, parietal, temporal and occipital, each responsible for different bodily functions.
The reticular formation is a structure located within the brain stem that is responsible for filtering sensory information to areas in the brain . This process occurs through neurons that stimulate the brain to get its attention. This process controls your arousal, ability to wake up, focus and alertness.
The thalamus is a structure that relays sensory and motor signals. it receives input from your senses and directs the information to the correct area. This regulates your consciousness, sleep and alertness. It is located in the above the hypothalamus and beneath the cerebral cortex.
The corpus callosum is a thick band of nerve fibers located underneath the cerebral cortex. It is involved in many bodily functions such as eye movement, the communication between the hemispheres and more.
The cerebellum is a structure of the brain that somewhat resembles cauliflower. It is responsible for coordinating movements such as balance and speech resulting in more smooth, fluid actions. The cerebellum is located at the back of the brain, below the cerebral cortex.
The hypothalamus (HT) is located beneath the thalamus and just above the brainstem. The HT is responsible for many important functions such as controlling hunger, thirst, aggression, sex and regulating the endocrine system. The hypothalamus plays a big role in influencing the pituitary and behavior.
Synthetic side (creative)
Controls left side of body ans left visuals
Ex of what the right side does includes art, music, and other nonverbal abilities
Analytical side (logical)
Controls right side of body and right visuals
Ex of what the left side does includes reading, writing and speaking
The amygdala is a small almond-shaped structure found just beneath the thalamus and hypothalamus. It is part of the limbic system and is involved in aggression and fear.
The spinal cord is the main pathway for information and connects the brain and peripheral nervous system.
The parietal lobe is located behind the frontal lobes and is responsible for bodily sensations like touch, pain, and temperature of the body. The parietal lobes contains two areas called the motor cortex and the somatosensory cortex. The motor cortex controls voluntary movement while the somatosensory receives information from touch signals in areas of the body.
The two occipital lobes are located at the lower back of the brain just below the parietal lobe. It is responsible for visual perception and vision. They are involved in the colour, shape and motion perception that we see.
The medulla is part of the hindbrain near to the base of the brain. It forms a marrow or a core of the brainstem. The medulla is responsible for each breath we take, heartbeat and other vital life functions. Another thing the medulla is responsible for is that all of those functions are automatic.
The pons is right above the medulla so is part of the hindbrain. The functions are involved with movements, waking, sleep, dreaming and respirations. Without the pons we wouldn't be able to dream, walk or have any movements.
The brainstem is around or houses around the hindbrain, midbrain, and the forebrain. This structure helps regulate reflex activities that are critical for survival like how the heartbeats every second, it's because of the brainstem.
The temporal lobes are located on the side of the brain on top of the ears. Its main function is for auditory perception, language comprehension, memory and emotional control. The lobes contain areas called the auditory cortex which processes sensory information and the Wernicke's area that is involved in language comprehension.
The frontal lobes are the biggest lobe of the four. They are located at the front of the cerebral cortex in both hemispheres. It is responsible for receiving and sending messages from the other lobes. It contains the motor cortex which is responsible for motor control. It does this by sending messages to the muscles and glands. It also contains the Broca's areas which is apart of speech production. In addition, the frontal lobes are involved in higher functions which help distinguish species, personality, emotion, memory and thinking.