Neurogenesis - More Brain Imaging Techniques Functional...

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Neurogenesis The production of new brain cells Brain Imaging Techniques Computed Tomographic Scanning (CT): Computer-enhanced X-ray of the brain or body Magnetic Resonance Imaging (MRI): Uses a strong magnetic field, not an X-ray, to produce an image of the body’s interior Localization of Function Research strategy of linking specific structures in the brain with specific psychological or behavioral functions Researching the Brain Ablation: Surgical removal of parts of the brain Deep lesioning: A thin wire electrode is lowered into a specific area inside the brain; electrical current is then used to destroy a small amount of brain tissue Electrical stimulation of the brain (ESB): When an electrode is used to activate target areas in the brain Electroencephalograph (EEG) A device that detects, amplifies, and records electrical activity in the brain
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Unformatted text preview: More Brain Imaging Techniques Functional MRI: MRI that makes brain activity visible Positron emission tomography (PET): Computer-generated color image of brain activity, based on glucose consumption in the brain Cerebral Cortex Definition: Outer layer of the brain; contains 70% of neurons in CNS Cerebrum: Two large hemispheres that cover upper part of the brain Corticalization: Increase in size and wrinkling of the cortex Cerebral hemispheres: Right and left halves of the cortex Corpus Callosum Bundle of fibers connecting cerebral hemispheres Neurological Soft Signs Subtle behavioral signs of brain dysfunction Clumsiness Awkward gait Poor hand-eye coordination Other perceptual and motor problems...
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