Lab plans
- Getting voltages in/out of the computer -- gPRIME and daqfungen
- Sets the direction of the course
- Using matlab and production programs
- Measure CD sound spectrum
- Characterize retinal model output
- Matlab and 2D graphics
- 2D graphics and handles
- T vs V
- phase plane V vs dV/dt
- lines and circles
- action potential dynamics
- interspike intervals
- drawing and coordinate systems
- prerecorded data
- Handle graphics and GUI design
- handles to plots and controls
- callbacks to controls
- iterative programs (from 330)
- User interface to programs
- program organization
- iterative vs functional styles
- integrate and fire neuron dynamics
- Introduction to DAQ toolbox
- voltage -> matlab; plot data
- matlab -> voltage; playback WAV
- daq file format and use
- vectors of data
- WAV formats
- daq format
- fast plotting via handles
- use sound port
- Passive cell model and passive cable
- measuring current, voltage and resistance
- Cell passive electrical model:
- RC circuit, driven by a current source; measure input resistance and capacitance.
- Resistance, capacitance, Kirchoff's laws
- modeling a cell as a time constant and DC I-V curve
- wires and components
- Passive cable model:
- RC driven by a current source; measure length constant; rise time
- passive current spread, length constant
- exponential fall over space
- rise shape in time
- Active model cell and the intracellular amplifier
- Active cell model: the potentiometer action potential
- Active cell mode: the fast switch action potential;
- effect of high resistance electrode and the 'electrometer' opamp follower.
- AP equivalent circuit.
- distortion by electrode C and fix by negative capacitance feedback
- Voltage clamp of potentiometer model?
- Differential amplifier and filtering
- Filters--lowpass; antialias
- highpass; DC surpress
- bandpass;
- Differential surpression of noise
- Aliasing
- DC surpression by highpass
- notch filter ringing
- Bode plot
- Neurobiological signal analysis
- Signal Analysis using DAQ data
- feature detection (peak, risetime)
- filtering noise, interference and their surpression
- Separating APs automatically
- Stimulus isolation
- Why need it -- grounding and signal levels
- approaches
- H11F1 and battery
- Neural networks
- The cell as a ODE -- simulation of ODEs
- Synapses and coupling cells
- Hebbian learning
- More DAQ toolbox: A sound editor
- build a simple data display to show, zoom/pan voice segment.
- determine properties of physical interfaces
- cut and paste sound segments to an output window
- manipulate physical input/output interface