PSY 100 Study Guide - Final Guide: Cerebellum, Occipital Lobe, Optic Nerve
Document Summary
Chemical signal to go from 1 neuron to another: action potential in sending neuron, travels to axon terminals and bursts synaptic vesicles, neurotransmitters travel across the synapse to the receiving neuron, neurotransmitters attach and send a signal (excitatory or inhibitory) Transparent bulge in the front of the eye, curved, begins refraction; Colored portion of the eye; smooth muscle; causes dilation and constriction of the pupil; by doing so it regulates the amount of light entering the pupil, first ring of tissue from pupil; Space or black hole through which the light passes; can be elliptical in nature; Transparent and elastic, continues refraction and focusing onto the retina; held in place by the suspensory ligaments which are operated by the ciliary body; has a convex shape. Third part of the eye wall; contains rods and cones; photoreceptor cells; light rays are focused on it.
