Class Notes (835,638)
Canada (509,305)
NEUR 2600 (19)

Speech and Technology

2 Pages
Unlock Document

NEUR 2600
Ian Whishaw

Technology March-15-13 10:57 AM WilderPenfield - Founded the MNI and pioneered electivebrain surgery ○ Aneurysm ○ Stroke ○ Angioma ○ Tumors ○ Epilepsy  Useful for removingdamaged parts of the brain - Brain stimulation ○ Pioneeredhuman brain stimulation as a way of identifyingparts of the brain to guidehis surgery  Didn't want to take out more than necessary when doing a removal - Positron Emission Tomography ○ Technique of mapping the function of the brain as a person engagedin an intellectual task 1. Inject isotope 2. Positron released 3. Positron collideswith electron 4. Two photons releasedin opposite directions 5. Geigercounters locates their source ○ The differencein blood flowin a resting condition and an active condition (more red) revealsa part of the brain engagedin a functional task ○ Technique for measuring behavior ○ More blood flow during activity (releasedpotassium which stimulatesblood vessels, blood vesselsopen  The subject can't run and jump, have to stay still ○ PET -revealsthat different parts of the brain are involvedin different aspects of sound analysis  What ifyou read a complicated story? What lightsup  Visual cortex lights up, supplementarycortex, all different parts are lighting up beside Broca's area and Wernicke's  Revealsthat a surprisinglylargepart of
More Less

Related notes for NEUR 2600

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.