1. Membrane Properties |
Figure 1.1, Model Membrane | fig.1.1-Model_Membrane.png |
Figure 1.2, Real & Model Membranes | fig.1.2-Real+Model_Membranes.png |
Figure 1.3, Intracellular Recording | fig.1.3-Intracellular_Recording.png |
Figure 1.4, Extracellular Recording | fig.1.4-Extracellular_Recording.png |
Figure 1.5, RC Explanation | fig.1.5-RC_Explanation.png |
Figure 1.6, Resistor-Capacitor Circuit | fig.1.6-Resistor-Capacitor_Circuit.png |
Figure 1.7, Electric Fish Recording | fig.1.7-Electric_Fish_Recording.png |
Video 1.1, Current Flow | vid.1.1-Current_Flow.mp4 |
Figure 1.1i, Model Membrane Circuit | fig.1.1i-Model_Membrane_Circuit.png |
Figure 1.2i, Intracellular Results | fig.1.2i-Intracellular_Results.png |
Figure 1.3i, Extracellular Results | fig.1.3i-Extracellular_Results.png |
Figure 1.4i, RC Circuit Results | fig.1.4i-RC_Circuit_Results.png |
Figure 1.5i, Time Constant Summation | fig.1.5i-Time_Constant_Summation.png |
Figure 1.6i, Pulse Fish EOD | fig.1.6i-Pulse_Fish_EOD.png |
Video 1.1i, Extracellular Current | vid.1.1i-Extracellular_Current_Flow.mp4 |
Video 1.2i, Intracellular Current | vid.1.2i-Intracellular_Current_Flow.mp4 |
2. Motor Nerve Recording |
Figure 2.1, Nerve Recording Setup | fig.2.1-Nerve_Recording_Setup.png |
Video 2.1, Nerve Dissection & Recording | vid.2.1-Nerve_Dissection+Recording.mp4 |
Video 2.2, Exposing Nerve 3 | vid.2.2-Exposing_Nerve3.mp4 |
Video 2.3, Nerve 3 Recording | vid.2.3-Nerve3_Recording.mp4 |
Figure 2.1i, Baseline Activity | fig.2.1i-Baseline_Activity.png |
Figure 2.2i, Telson Stimulation | fig.2.2i-Telson_Stimulation.png |
Figure 2.3i, Swimmeret Stimulation | fig.2.3i-Swimmeret_Stimulation.png |
Figure 2.4i, Activity Histograms | fig.2.4i-Activity_Histograms.png |
Figure 2.5i, Nerve 3 Section | fig.2.5i-Nerve3_Section.jpg |
3. Motor Nerve Anatomy |
Figure 3.1, Filling Chamber | fig.3.1-Filling_Chamber.png |
Figure 3.2, Processing Flowchart | fig.3.2-Processing_Flowchart.png |
Video 3.1, Entire Backfill Procedure | vid.3.1-Entire_Backfill.mp4 |
Video 3.2, Exposing Abdominal Ganglia | vid.3.2-Exposing_Abdominal_Ganglia.mp4 |
Video 3.3, Removing Abdominal Ganglia | vid.3.3-Removing_Abdominal_Ganglia.mp4 |
Video 3.4, Building Filling Chamber | vid.3.4-Building_Filling_Chamber.mp4 |
Video 3.5, Preparing Ganglia to Fill | vid.3.5-Preparing_Ganglia_to_Fill.mp4 |
Figure 3.1i, Filled Motor Neurons |
fig.3.1i-Filled_Motor_Neurons-Dorsal.png
fig.3.1i-Filled_Motor_Neurons-Ventral.png |
4. Muscle Resting Potential |
Figure 4.1, Muscle Recording Setup | fig.4.1-Muscle_Recording_Setup.png |
Table 4.1, Crayfish Ion Concentrations | table.4.1-Crayfish_Ion_Concentrations.png |
Video 4.1, Muscle Dissection and Recording | vid.4.1-Muscle_Dissection+Recording.mp4 |
Video 4.2, Exposing Superficial Flexor | vid.4.2-Exposing_Superficial_Flexor.mp4 |
Video 4.3, Muscle Recording | vid.4.3-Muscle_Recording.mp4 |
Figure 4.1i, Damaged Muscle Fibers | fig.4.1i-Damaged_Muscle_Fibers.jpg |
Figure 4.2i, Resting Potential Results | fig.4.2i-Resting_Potential_Results.png |
5. Synaptic Connectivity |
Figure 5.1, PSP Recording Setup | fig.5.1-PSP_Recording_Setup.png |
Video 5.1, Nerve-Muscle Dissection & Recording | vid.5.1-Nerve+Muscle_Dissection+Recording.mp4 |
Video 5.2, Nerve-Muscle Recording | vid.5.2-Nerve+Muscle_Recording.mp4 |
Video 5.3, PSP Matching | vid.5.3-PSP_Matching.mp4 |
Figure 5.1i, Matching APs & PSPs | fig.5.1i-Matching_APs+PSPs.png |
Figure 5.2i, Innervation Patterns | fig.5.2i-Innervation_Patterns.png |
Figure 5.3i, Summation | fig.5.3i_Summation.png |
Figure 5.4i, Inhibition | fig.5.4i_Inhibition.png |
6. Synaptic Plasticity |
Figure 6.1, Recording & Stimulation Setup | fig.6.1-Recording+Stimulation_Setup.png |
Video 6.1, Dissection, Recording, & Stimulation | vid.6.1-Dissection+Recording+Stimulation.mp4 |
Video 6.2, Cutting Nerve 3 | vid.6.2-Cutting_Nerve3.mp4 |
Video 6.3, Stimulating Nerve 3 | vid.6.3-Stimulating_Nerve3.mp4 |
Video 6.4, Eliciting Facilitation | vid.6.4-Eliciting_Facilitation.mp4 |
Figure 6.1i, Facilitation Results | fig.6.1i-Facilitation_Results.png |
Figure 6.2i, Posttetanic Potentiation | fig.6.2i-Posttetanic_Potentiation.png |
Figure 6.3i, Synaptic Depression | fig.6.3i-Synaptic_Depression.png |
Figure 6.4i, PTP Results | fig.6.4i-PTP_Results.png |
7. Stretch Receptor |
Figure 7.1, Stimulating MROs | fig.7.1-Stimulating_MROs.png |
Figure 7.2, Dissection Outline | fig.7.2-Dissection_Outline.png |
Figure 7.3, Stimulus Setup | fig.7.3-Stimulus_Setup.png |
Figure 7.4, MRO Recording Setup | fig.7.4-MRO_Recording_Setup.png |
Video 7.1, Dissect and Record | vid.7.1-MRO_Dissection+Recording.mp4 |
Video 7.2, Anesthetizing | vid.7.2-Anesthetizing_Crayfish.mp4 |
Video 7.3, Attach Thread | vid.7.3-Attaching_Thread.mp4 |
Video 7.4, MRO Dissection | vid.7.4-MRO_Dissection.mp4 |
Video 7.5, Alternate Dissection | vid.7.5-Alternate_MRO_Dissection.mp4 |
Video 7.6, Finding MRO Nerves | vid.7.6-FInding_MRO_Nerves.mp4 |
Video 7.7, Record and Stretch | vid.7.7-Recording+Stretching.mp4 |
Video 7.8, Activating MRO2 | vid.7.8-Activating_MRO2.mp4 |
Figure 7.1i, Stimulus-Response | fig.7.1i-Stimulus-Response_Curve.png |
Figure 7.2i, Spike Rates | fig.7.2i-Spike_Rates.png |
Figure 7.3i, Adaptation Curves | fig.7.3i-Adaptation_Curves.png |
8. Snail Brain—Excitability |
Figure 8.1, Snail Brain Diagram | fig.8.1-Snail_Brain_Diagram.png |
Figure 8.2, Initial Snail Dissection | fig.8.2_Initial_Snail_Dissection.png |
Figure 8.3, Brain Dissection Steps |
fig.8.3a-Brain_Dissection_Step_A.png
fig.8.3b-Brain_Dissection_Step_B.png
fig.8.3c-Brain_Dissection_Step_C.png |
Figure 8.4, Dissected Snail Brain |
fig.8.4a-Circumesophageal_Ring-Labeled.jpg
fig.8.4a-Circumesophageal_Ring-Unlabeled.jpg
fig.8.4b-Subesophageal_Ganglia-Labeled.jpg
fig.8.4b-Subesophageal_Ganglia-Unlabeled.jpg
|
Figure 8.5, Snail Recording Setup | fig.8.5-Snail_Recording_Setup.png |
Figure 8.6, Circumesophageal Ganglia | fig.8.6-Circumesophageal_Ganglia.png |
Figure 8.7, Action Potential Measurements | fig.8.7-Action_Potential_Measurements.png |
Figure 8.8, Burster Measurements | fig.8.8-Burster_Measurements.png |
Figure 8.9, Postinhibitory Rebound | fig.8.9-Postinhibitory_Rebound.png |
Video 8.1, Entire Snail Dissection | vid.8.1-Entire_Snail_Dissection.mp4 |
Video 8.2, Removing the Shell | vid.8.2-Removing_Shell.mp4 |
Video 8.3, Removing Ganglia | vid.8.3-Removing_Ganglia.mp4 |
Video 8.4, Pinning | vid.8.4-Pinning.mp4 |
Video 8.5, Cutting the Aorta | vid.8.5-Cutting_Aorta.mp4 |
Video 8.6, Desheathing | vid.8.6-Desheathing.mp4 |
Video 8.7, Snail Brain Recording | vid.8.7-Snail_Brain_Recording.mp4 |
Video 8.8, Na+ Potentials | vid.8.8-Na_Potentials.mp4 |
Video 8.9, Ca2+ Potentials | vid.8.9-Ca_Potentials.mp4 |
Video 8.10, Bursting | vid.8.10-Bursting.mp4 |
Video 8.11, Stimulation | vid.8.11-Stimulation.mp4 |
Video 8.12, Synaptic Input | vid.8.12-Synaptic_Input.mp4 |
Figure 8.1i, Silent Cell Stimulation | fig.8.1i-Silent_Cell_Stimulation.png |
Figure 8.2i, Broadening and Accommodation | fig.8.2i-Broadening+Accommodation.png |
Figure 8.3i, Amplitude Decrease | fig.8.3i-Amplitude_Decrease.png |
Figure 8.4i, Tonic Firing | fig.8.4i-Tonic_Firing.png |
Figure 8.5i, Hyperpolarization | fig.8.5i-Hyperpolarization.png |
Figure 8.6i, Burster Stimulation | fig.8.6i-Burster_Stimulation.png |
9. Snail Brain—Ionic Basis |
Figure 9.1i, Reduced Calcium | fig.9.1i-Reduced_Calcium.png |
Figure 9.2i, Effect of Barium | fig.9.2i-Effect_of_Barium.png |
Figure 9.3i, Effect of TEA and Cs+ | fig.9.3i-Effect_of_TEA+Cs.png |
10. Plant Action Potential |
Figure 10.1, Chara Cells | fig.10.1-Chara_Cells.png |
Figure 10.2, Chara Cell Diagram | fig.10.2-Chara_Cell_Diagram.png |
Figure 10.3, Chara Recording Chamber | fig.10.3-Chara_Recording_Chamber.png |
Figure 10.4, Chara Recording Setup | fig.10.4-Chara_Recording_Setup.png |
Table 10.1, Chara Ion Concentrations | table.10.1-Chara_Ion_Concentrations.png |
Video 10.1, Chara Preparation | vid.10.1-Chara_Preparation.mp4 |
Video 10.2, Chara Recording | vid.10.2-Chara_Recording.mp4 |
Figure 10.1i, Chara Chamber Design | fig.10.1i-Chara_Chamber_Design.png |
Figure 10.2i, Repeated Stimulation | fig.10.2i-Repeated_Stimulation.png |
A. Crayfish Neuromuscular Preparation |
Figure A.1, Abdominal Muscles | fig.A.1-Abdomial_Musculature.png |
Figure A.2, Abdominal Segment |
fig.A.2.a-Segment-Undissected-Labeled.jpg
fig.A.2.a-Segment-Undissected-Unlabeled.jpg
fig.A.2.b-Segment-Dissected-Labeled.jpg
fig.A.2.b-Segment-Dissected-Unlabeled.jpg
fig.A.2.c-Segment-Janus_Green-Labeled.jpg
fig.A.2.c-Segment-Janus_Green-Unlabeled.jpg
fig.A.2.d-Segment-Methylene_Blue-Labeled.jpg
fig.A.2.d-Segment-Methylene_Blue-Unlabeled.jpg |
Figure A.3, Compared with Skeletal Muscle | fig.A.3-Comparison_with_Skeletal_Muscle.png |
Figure A.4, Compared with Brain Synapses |
fig.A.4-Comparison_Brain_Synapses.png |
Video A.1, Removing the Abdomen | vid.A.1-Preparing_Crayfish_Abdomen.mp4 |
Video A.2, Removing Swimmerets | vid.A.2-Removing_Swimmerets.mp4 |
B. Dissection Tips |
Figure B.1, Dissection Posture | fig.B.1_Dissection_Posture.png |
Figure B.2, Cutting Tools | fig.B.2-Cutting_Tools.jpg |
Figure B.3, Grasping Tools | fig.B.3-Grasping_Tools.png |
C. Recording Tips |
Figure C.1, Noise Reduction | fig.C.1-Noise_Reduction.png |
Figure C.2, Filter Distortion | fig.C.2-FIlter_Distortion.png |
Figure C.3, Sampling Rates | fig.C.3-Sampling_Rates.png |
Figure C.4, Stimulator Settings | fig.C.4-Stimulator_Settings.png |
Figure C.5, Microelectrodes | fig.C.5-Microelectrodes.jpg |
Video C.1, Filter Effects | vid.C.1-Filter_Effects.mp4 |
Video C.2, Electrode Filling | vid.C.2-Electrode_Filling.mp4 |
Video C.1i, Electrode Inking | vid.C.1i-Electrode_Inking.mp4 |
E. Analysis Tools |
Equation 1, Ohm’s Law | eq.1-Ohms_Law.png |
Equation 2, Time Constant | eq.2-Time_Constant.png |
Equation 3, Space Constant | eq.3-Space_Constant.png |
Equation 4, Passive Spread | eq.4-Passive_Spread.png |
Equation 5, Input Resistance | eq.5-Input_Resistance.png |
Equation 6, Nernst Potential | eq.6-Nernst_Potential.png |
Saline Calculator | |
Peak Finder | |
Exponential Fit | |