UT NEU 330 - The Beginning of Neurophysiology (2 pages)

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The Beginning of Neurophysiology



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The Beginning of Neurophysiology

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The beginning of neurophysiology


Lecture number:
3
Pages:
2
Type:
Lecture Note
School:
University of Texas at Austin
Course:
Neu 330 - Neural Systems I
Neural Systems I Documents

Unformatted text preview:

NEU 330 1st Edition Lecture 3 Outline of Last Lecture I II III IV Anatomy Lesions Recording MRI Outline of Current Lecture I II III IV V Stimulation Behavior Other Experiments Intro to Electricity Abbreviation Key Current Lecture A Stimulation a Current goes through electrode in order to stimulate the neuron for a response b Optogenetics B Behavior a Morris water maze rat finds platform by chance i With multiple trials is conditioned to find the platform very quickly ii If there is hippocampus damage or removal the mouse will take just as long on the 35th try as he did on the 1st b 2 types of behavioral approaches i Choose behavior because it s what you want to learn about ii Choose behavior because it s a window for a particular brain system or process iii EX Morris water maze could be either 1 Want to study memory 2 Want to understand the hippocampus C Other Experiments a Molecular genetics b Computational neuroscience simulations D Intro to Electricity a CHARGE b Ohms Law V IR i as neuroscientists we must also account for capacitance which changes over time c capacitor thin barrier between two things will create a difference i neurons are capacitors which cause delay ii charge builds on one side and will attract the opposite charge to it NEU 330 1st Edition dVm if there s a net change in current the voltage will also change dt C E Abbreviation key a Current change in movement of charge q Charge b Volts makes current go I Current i EMF V Voltage ii What makes charge move Resistance c Ion channels open increased conductance R d g c Conductance Capacitance



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