For the events listed below which of the following is the correct sequence for their occurrence starting with the excitation of cone cells by light and ending with the transmission of action potentials along the optical nerve
1 receptor cell releases less neurotransmitter
2 fewer signals cross synapses to bipolar cells
3 fewer signals cross synapses to ganglion cells
4the membranes of receptor cells are hyperpolarized by decreased permeability to sodium ions.