Looking Inside the Living Brain. Copyright © Pearson Education 2012 How to Study Brain Study humans with brain damage. Study animals. Animals are anesthetized.

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Looking Inside the Living Brain

Copyright © Pearson Education 2012 How to Study Brain Study humans with brain damage. Study animals. Animals are anesthetized. Purposefully damage part of animal's brain (lesion) to study that area scientifically. Test the animal to see what has happened to its abilities.

Copyright © Pearson Education 2012 Peeking Inside the Brain Computed tomography (CT) Brain-imaging method using computer controlled X-rays of the brain. Magnetic resonance imaging (MRI) Brain-imaging method using radio waves and magnetic fields of the body to produce detailed images of the brain. Functional MRI (fMRI) Computer makes a sort of “movie” of changes in the activity of the brain using images from different time periods.

Copyright © Pearson Education 2012 Peeking Inside the Brain Positron emission tomography (PET) Brain-imaging method in which a radioactive sugar is injected into the subject and a computer compiles a color-coded image of the activity of the brain with lighter colors indicating more activity. Electroencephalograph (EEG) Machine designed to record the brain wave patterns produced by electrical activity of the surface of the brain.

Copyright © Pearson Education 2012 Lesioning studies –Deep lesioning Brain stimulation –Invasive techniques –Noninvasive techniques Mapping structure –CT –MRI Mapping function –EEG –PET –SPECT –fMRI Peeking Inside the Brain

Copyright © Pearson Education 2012 Brain Scan Techniques Brain Scan Video

Copyright © Pearson Education 2012 Neuroscience Innovations Neuroplasticity T he ability within the brain to constantly change both the structure and function of cells in response to experience or trauma. Stem cells Special cells found in all the tissues of the body that are capable of becoming other cell types when those cells need to be replaced due to damage or wear and tear.

Copyright © Pearson Education 2012 Girl living with half her brain Girl with half brain

Copyright © Pearson Education 2012 How It Feels To Have A Stroke How it feels to have a stroke