PS100 Study Guide - Midterm Guide: Functional Magnetic Resonance Imaging, Magnetic Resonance Imaging, Auditory Cortex
Document Summary
Examining autopsy tissue: what the brain looks like, but unable to conclude how the systems work. Testing the behaviour of patients with damage to certain parts of the brain (neuropsychologists) Localized brain damage leads to loss of particular function (relies on inference/ patients might have other abnormalities) Recording electrical brain activity through multiple electrodes attached to the surface of the scalp/ Structure images are helpful but do not enable researcher to identify brain regions that become active under specific conditions. Functional neuroimaging tells about activity in particular brain areas during specific behaviours. Magnetic resonance imaging (mri: uses strong magnetic field to produce images of the anatomy and physiology, creates 3d image of the brain or body, do not use radiation and much clearer. Diffusion tensor imaging (dti: newest structural imaging technique, measures orientation and integrity of white matter to assess damage in the brain and produce colour map.
