A hospital patient was diagnosed as suffering from schizophrenia because she was having an impoverished emotional response, and a lack of initiative in taking care of one's daily affairs. What type of symptoms are these?

In the early 20th century, in the public mind, the ______ addict became synonymous with the "dope fiend," the embodiment of social evil

a. heroin c. amphetamine b. cocaine d. barbiturate

When Baby Jaleel was born, stimulation in his brain resulted in a massive overabundance of synapses. Neurons that were seldom stimulated began to lose their synapses. This process is known as

A) myelination. B) synaptic pruning. C) neuroimaging. D) neurotransmission.