PHAR 100 Lecture Notes - Lecture 6: Occipital Lobe, Parietal Lobe, Frontal Lobe
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4 May 2016
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Explain how nerve impulses travel throughout the body. List some of the common neurotransmitters in the brain. Functions of it are: recognize: changes in the internal/external environment, process and integrate: perceive changes in the environment, react: produce a response to the changes in the environment. Sensory nerve fibres carry messages from tissues to the brain/spinal cord. Motor nerve fibres carry messages from the brain/spinal cord to the tissues. Carries sensory information from the skin, muscles, joints and internal organs to the brain. Controls motor outflow to the muscles, sensory input, reflex activity. Initiates a response, stores memory, generates thoughts and emotion: the forebrain, cerebral cortex (cerebrum): largest part of the brain, rich in nerve cells. Made of grey matter and white matter and is divided into two hemispheres. Overall functions: sensory/motor coordination, metal processes, intelligence, memory, vision, judgement, thought, speech, emotions, consciousness: thalamus: relay centre from which impulses are relayed to the cerebral cortex.
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