Midterm

Resting potential of a neuron is negative

Membrane potential of a neuron is negative Hyperpolarization= more negative Depolarisation= more positive

Burst of rapid depolarization followed by hyperpolarization that spreads along the axon of the neuron

Charged particle Cation= positive Anion= negative

Movement of molecules from regions of high concentration to regions of low concentration

The attractive force of atomic particles charged with opposite signs

Potassium ions, mostly inside neuron

Organic anions, inside neuron

Chloride ions, mostly outside neuron

Sodium ions, mostly outside neuron

Number of open ion channels

Once an action potential is triggered near the soma, it is propagated at the same strength to the end of the axon

Variations in the intensity of a stimulus being transmitted in an axon

Wrapped around axons in segments

Gaps between the segments

Special protein molecules which contain binding sites for a neurotransmitter

A receptor that contains a binding site for a neurotransmitter and an ion channel that opens up when a molecule of neurotransmitter attaches to the binding site

A receptor that contains a binding site for a neurotransmitter; activated an enzyme that begins a series of events that opens an ion channel elsewhere in the membrane of the cell when the neurotransmitter binding occurs

Small grooves

Large grooves

Bulges in between grooves

Occipital lobe, sight

Temporal lobe, sound

Parietal lobe, pressure, touch and pain