Shaping is a behavioral procedure in which ______________ of a target behavior are ______________ until the person eventually engages in the target behavior

Any birth which occurs 35 or fewer weeks after conception is considered to be

preterm. very low birthweight. pregestational. nonviable.

Receptor sites on the membrane of a neuron's dendrites receive ________

a. neurotransmitters. b. synaptic vesicles. c. action potentials. d. negative potassium ions.