9 Questions
What is the purpose of Transcranial Magnetic Stimulation (TMS)?
To cause a population of neurons to depolarize or hyperpolarize
What can Single Neuron Recordings directly measure?
Action potential
What does EEG (electroencephalography) synchronize?
The summation of synchronous activity caused by post-synaptic potentials of neurons
What are event-related potentials (ERPs) in the context of EEG?
Brief changes in EEG signal in response to an experience
What is the main advantage of EEG/ERP in studying brain activity?
Excellent time resolution
What is the key difference between MEG and EEG/ERP?
MEG has better spatial resolution
What is the main advantage of Functional Magnetic Resonance Imaging (fMRI)?
Detailed spatial resolution
What is the downside of using Magnetoencephalography (MEG) compared to EEG/ERP?
Very expensive
How can the signal-to-noise problem in EEG/ERP be addressed?
By conducting many repetitions of trials
Explore techniques used in psychology to manipulate and measure brain-behavior relationships, including lesion stimulation and transcranial magnetic stimulation. Learn about the history of brain stimulation with Dr. Wilder Penfield in the 1940s and the use of single neuron recordings.
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