They can also be used to help identify sleeping disorders and other medical conditions relating to the brain. Traditionally, access to deep-seated lesions would require brain retraction for adequate exposure, however this is associated with secondary brain damage. Measuring activity in the brain can be a very useful tool in scientific studies. Deep-seated brain tumours represent a unique neurosurgical challenge as they are often related to eloquent areas of the brain. All of your senses sight, smell, hearing, touch, and taste depend on your brain. It is also busy working with other parts of your body. (LGG) that are located in eloquent brain areas remains a. Basal ganglia are associated with control of voluntary motor movements, procedural learning, habit learning, eye movements, cognition, and emotion ( 16, 17 ). These are called electroencephalograms, or EEGs for short. It runs your organs such as your heart and lungs. the tumour growth in eloquent regions immediately after surgery, the occurrence of a deficit. Other eloquent areas include basal ganglia, thalamus, hypothalamus, brain stem, cerebellar peduncles, internal capsule, and deep cerebellar nuclei. Recordings of brain wave activity look like a series of waves. These are attached to the surface of the skin in specific places around the head. Electrodes are devices able to record electrical changes over time. Measuring electrical activity in the brain is usually done with electrodes. When a huge group of neurons signal at once, however, they can be recorded and measured with the help of special tools. Just one or two neurons signaling is too small a change to be noticed. When neurons send a signal they use electrical currents to pass messages to other nearby neurons. These electrical waves are called brain waves. How do you tell if the brain is working? What is it doing and how do you measure it? The head gear on the right that looks like it's from a work of science fiction measures electrical activity in the brain.
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