Dr. Wilson’s Audio Lecture files

File	Topics	Corresponding PowerPoint slides
Chapter 12
Nervous System Overview	Nervous system function	3
Subdivisions 1	Nervous system subdivision; CNS; PNS; nerves; neurons	4, 5
Subdivisions 2	Nerves, ganglia	4, 5, 9, 11
Functional Divisions	Sensory vs. Motor; visceral vs. receptors, effectors	6
Functional Divisions 2	Visceral vs. somatic; effectors	6
Types of Neurons	Somatic sensory vs. visceral sensory; somatic motor effectors vs. visceral motor effectors; ANS; types of neurons – sensory, motor and interneurons	7-9
Properties of neurons	Properties of neurons – excitability, conductivity and secretion	10
Structure of a neuron	Multipolar, bipolar, unipolar and anaxonic neurons; types of neuroglial cells, myelin	11-13, 16-18
Myelin	Myelin, nodes of Ranvier, axon hillock, speed of a nerve signal, Multiple Sclerosis	19-25
Electrical Potential	Nerve pathway, neuronal signal, electrical potential and currents, strong stimulus=more AP’s	29
Electrical Potential 2	diffusion, polarized, charge distribution across membrane, ions, anions, cations, electrolytes	29
Resting Membrane Potential	resting potential, concentration of sodium and potassium inside and outside of the neuron, diffusion, concentration gradients, threshold, selective permeability, cytoplasmic anions, Na+/K+ pump	30-32
Sodium Gates	Cause and effect of Na+ gates opening, receptors and types of gates, threshold, action potential	32
Local Potentials	Local potentials vs. action potentials, where AP’s and LP’s occur, trigger zone, synaptic transmission, electrical vs. chemical (concentration) gradient	32-33
Local Potentials 2	Excitatory signals vs. inhibitory signals, types of receptors, action potentials, All or None Law, refractory period	33-38
Action Potential	Steps of the Action Potential	36
Synapse	Salutatory conduction, synapses between neurons, axodendritic, axosomatic, axoaxonic, pre- and post-synaptic neurons	41-44
Synaptic Transmission	Steps of synaptic transmission	46
Neurotransmitters	Neurotransmitters; EPSPs and IPSPs	47-48, 56-58
Kinds of synapses	Excitatory cholinergic and inhibitory GABA-ergic synapses, Cl- and hyperpolarization	49-51
Cessation of signal	Cessation of signal, acetylcholinesterase, EPSP, IPSP, presynaptic inhibition, neural coding	54, 56-58, 61
Memory	Synaptic plasticity, types of memory- immediate, short-term and long-term, Alzheimer’s Disease, Parkinson’s Disease	66-72
Chapter 13
Intro to Spinal Cord	Overall function, spinal nerves	2-3
Spinal Cord Functions	Spinal cord physiology – conduction, locomotion, reflexes	4
Spinal Cord Anatomy	Spinal cord structure – enlargements, cauda equina	5-6
Meninges	Structure, function, location of meninges, terminology – subdural, subarachnoid, epidural	7-8
Spina Bifida	Overview of Spina Bifida	8-9
Cross Section 1	structure and function of spinal cord and spinal nerves, white matter, gray matter, dorsal and ventral horns (sensory vs. motor)	10
Cross Section 2	Spinal cord structure and function	10-12
Tracts	Ascending and descending tracts, spinothalamic	13-15
Tracts 2	Corticospinal tract	18
Polio	Polio and ALS	20
Nerves	Anatomy of a nerve, nerve roots, branches, rami	21-26
Shingles	Shingles, plexuses, dermatomes	27-33
Reflexes	Reflexes, knee jerk	34-37
Reflexes 2	Reciprocal inhibition, flexor withdrawal, spinal cord trauma	36-41