Deanna, an undergraduate student majoring in neuroscience, volunteers in a research lab that focuses on studying the microscopic characteristics of the schizophrenic brain. Under the guidance of her mentor, she examines brain tissue samples from individuals diagnosed with schizophrenia to explore specific synaptic changes. Question: Based on Deanna's work in the lab, what microscopic characteristic is commonly observed in the brains of individuals with schizophrenia?
a) An increase in pre-synaptic terminals
b) A reduction in pre-synaptic terminals
c) A reduction in post-synaptic terminals
d) An increase in post-synaptic terminals