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Dementia and the Different Parts of the Brain Affected Essay

A part of the brain severely damaged in one person may be left completely intact in another person, even though they both have dementia. This helps to explain why people with dementia vary so much in the ways they behave and in What they can and cannot do. For example, a person may be able to play the piano well, long after forgetting the names of the pieces of music. This is because the memory needed to recall a sequence of physical movements is stored in a different area to that responsible for remembering facts such as names.

Similarly, although a person may have difficulties with speaking, they may be able to sing or hum a favorite tune quite fluently. Again, this is because there are different parts of our brain responsible for speaking and for singing. Below is an illustration of the side view to the outer layer tooth brain (The cerebrum): Cortex (Cerebrum) The cortex, or cerebrum, is made up of two hemispheres (or sides) connected by a band of tissue called the corpus callous_ These hemispheres control speech, intelligence, and memory.

There are specific centers for specific functions; for example, the speech centre governs the ability to form sounds into meaningful words, phrases, etc. Left Hemisphere The Left hemisphere controls the right side Of the body. It controls speech, comprehension, arithmetic, and writing. Right Hemisphere The right hemisphere controls the left side Of the body. It is responsible for more abstract skills, such as creativity, spatial ability, and artistic and musical skills. Each cerebral hemisphere is divided into lobes. In this illustration, the Frontal Lobe, the Temporal Lobe, the Parietal Lobe and Occipital Lobe are all the efferent parts that make up the Cortex). Frontal Lobe The frontal lobe is located in front of the cerebrum behind the forehead. It is the centre for judgment, reasoning, behavior, movement, personality, motivation, interpretation and inhibition of impulses. It also plays a role in controlling emotions, social skills, and expressive language, Parietal Lobe The parietal lobe sits just behind the frontal lobe.

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It is responsible for receiving and processing the sensations of touch (for example, pain, heat, cold, pressure, size, shape, and texture). It covers language, spatial awareness and recognition. It analyzes the combined information coming in from all five senses. It is also closely linked to writing and speech fluency. Temporal Lobe The temporal lobe is located alongside the frontal and parietal lobes, just above the ear. It is the centre for the senses of hearing, taste, and smell. It is also involved in receiving auditory information and in memory and speech.

Occipital Lobe The occipital lobe rests in back of the cortex behind the parietal and temporal lobes. Damage to this area may affect sight, such as perceiving or understanding visual information, Cerebellum The cerebellum is located beneath the cerebral cortex in the back of the skull. It is smaller than the cortex. Its job is to transmit and coordinate the signals from the cortex. It also controls the movement of voluntary muscles, balance, posture, and in coordinating movements. Brain stem The brain stem is in front Of the cerebellum and beneath the cerebral cortex.

It connects the spinal cord to the cortex. Its role includes passing messages back ND forth between various parts Of the body and the cerebral cortex. The brain stem coordinates the body’s functions such as breathing, blood pressure and pulse. It also contains the reticular formation which is responsible for consciousness, drowsiness, and attention. Originating in the brain stem are 12 cranial nerves. These nerves control smell, hearing, vision, eye movement, facial sensations, taste, and swallowing.

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They also control muscle movements in the face, neck, shoulders, and tongue, Epic] The Limbic System (The Emotional Brain) Deep within the brain is the limbic system, sometimes called the emotional brain. It links your brain stem and automatic body functions with the more highly evolved intellectual areas of the cerebral cortex. The limbic system consists of several structures: Hypothalamus The hypothalamus is in charge Of homeostasis, or maintaining the bodes status quo. It regulates body temperature, hunger, and thirst, and is involved in emotion and your sleep cycle.

Hippopotamus The hippopotamus is vital to learning and memory, particularly converting our shorter memory into long-term. This part of the brain also helps you comprehend spatial relationships and navigate the world around you. The hippopotamus is one of the first parts of the brain that suffers damage from plaques and tangles in the course of Listener’s disease. Thalamus The thalamus serves as a relay station for nearly all sensory information that travels to and from the cerebrum and the rest of the body. Magical The magical controls memory, emotion, and fear. It triggers the so-called fight- or-flight response.

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Dementia and the Different Parts of the Brain Affected Essay
Artscolumbia
Artscolumbia
A part of the brain severely damaged in one person may be left completely intact in another person, even though they both have dementia. This helps to explain why people with dementia vary so much in the ways they behave and in What they can and cannot do. For example, a person may be able to play the piano well, long after forgetting the names of the pieces of music. This is because the memory needed to recall a sequence of physical movements is stored in a different area to
2018-07-02 00:07:09
Dementia and the Different Parts of the Brain Affected Essay
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