Fall 2025 Calendar

(1) Thursday, August 28 – First Day of Classes Biophysics, dynamics, and organization of the brain


Unit 1


(2) Tuesday, September 2 – Qualitative analysis and characteristic times

(3) Thursday, September 4 – Compartment modeling, phase diagrams, exponential relaxation, physical dimensions


(4) Tuesday, September 9 – Nernst equilibrium potential and GHK voltage equation

(5) Thursday, September 11 RC circuit theory of plasma membrane

Problem Set 1 due at 11:59 pm.


(6) Tuesday, September 16 – GHK current equation and rectification

(7) Thursday, September 18 Voltage-dependent currents and membrane bistability

Problem Set 2 due at 11:59 pm.


(8) Tuesday, September 23 – Fold, transcritical, and pitchfork bifurcations


UNIT 2


(9) Thursday, September 25 – No new material / review


(10) Tuesday, September 30 – EXAM 1 (Lectures 1-8)

EXAM 1 Specification


(11) Thursday, October 2 Voltage-clamp recording and Hodgkin-Huxley equationsOnline and asynchronous


(12) Tuesday, October 7 The Morris-Lecar model and phase plane

Fall Break October 9-12


(13) Tuesday, October 14 – Phase plane analysis of 2D ODE systems

(14) Thursday, October 16 – The Fitzhugh-Nagumo model, phase plane, and linear stability analysis


(15) Tuesday, October 21 – The Morris-Lecar phase plane, type 2 and type 1 oscillations and excitability

(16) Thursday, October 23 – Square-wave electrical bursting and homoclinic bifurcations

Problem Set 3 due at 11:59 pm.


(17) Tuesday, October 28 – Elliptical and Parabolic Bursting, The Low-Threshold Calcium Current and PIR Bursting, Delta Oscillations

(18) Thursday, October 30 – EXAM 2


UNIT 3


(19) Tuesday, November 4 – Election day [No class]

(20) Thursday, November 6 – Somatogastric ganglion, half-center oscillators, escape vs. release dynamics


(21) Tuesday, November 11 – Network properties of the thalamus

(22) Thursday, November 13 – EEG and sensory gating


(23) Tuesday, November 18 – Local field potentials, hippocampal place cells, theta rhythm

Problem Set 4 due at 11:59 pm. (optional)

(24) Thursday, November 20 – Vision: Classification of retinal ganglion cells, parallel pathways, contrast sensitivity, spatial frequency analysis


(25) Tuesday, November 25 – Inhibitory interneuron networks and cortical oscillations [Class is online and asynchronous].

Problem Set 5 due at 11:59 pm. (optional)

Thanksgiving Holiday – November 26-30


(26) Tuesday, December 2 – Look at you! [Last class]

Tuesday, December 2 – TAKE HOME FINAL EXAM – DISTRIBUTED

(27) Thursday, December 4 – [No class. Work on the final exam.]


Friday, December 12, 2:00-5:00 pm – TAKE HOME FINAL EXAM – SUBMISSION DEADLINE