Psychology – Gleitman
presented seperately, byt they will if presented simultaneously. The excitatory effects from different regions are all funneled into the same common
path.
· Temporal summation- a subthreshold stimulus will not elicit the reflex but 2 or more will if presented successivley at intervals of up to half a second
Inhibition- neuron can receive both excitatory and inhibitory messages. Two processes summate algebralically; they pull in opposite directions and
thus have opposite signs/positive-negative/
The Synaptic Mechanism:
· Presynaptic neuron sends the neural message
· Postsynaptic neuron the one message is directed to
· Within these swellings tiny vesicles including chemical substances called neurotransmitters