PS101 Lecture Notes - Lecture 3: Transcranial Magnetic Stimulation, Reticular Formation, Brainstem
Document Summary
Eeg (electroencephalograph) examining brain waves (sleep research) electrodes on head lesioning mostly on animals electrical stimulation. Dr. pen eld"s electrodes in brain open up brain and stimulate parts of the brain to see what happens. Tms (transcranial magnetic stimulation) virtual lesioning brain imagining. Pet map brain function with chemicals that mark metabolic activity. Mri, fmri more powerful ways of mapping out brain. 2. cerebellum: structure that coordinates ne muscle movement, balance (e. g. alcohol a ects cerebellum) medulla: responsible for regulating largely unconscious functions such as breathing and circulation (damage= death) pons: involved in sleep and arousal. 3. reticular formation; group of bres that carry stimulation related to sleep and arousal through brain stem (damage= coma) Thalamus: relay centre for cortex; handles incoming and outgoing signals (tra c cop- directing sensations to various parts of the brain) Hypothalamus: responsible for regulating basic biological needs: hunger, thirst, temperature control (medial forebrain bundle) - self-stimulation site.
