2026 | Brain and Behavior
Study Guide, Practice
Questions & Exam
Review
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, What are the two divisions of the Peripheral Nervous Somatic nervous system and autonomic nervous system
System?
What does the somatic nervous system do? Interconnects the brain with major muscles and sensory systems
What does the autonomic nervous system connect to? The viscera (internal organs)
What is the outermost covering of the cerebral Cerebral Cortex
hemispheres called?
Why is the brain wrinkly? To increase surface area for neurons, which is associated with increased
intelligence
What are gyri and sulci? Gyri are the ridges, and sulci are the grooves of the brain's wrinkles
What are the four lobes of the brain? Frontal Lobe, Parietal Lobe, Occipital Lobe, Temporal Lobe
What is the primary function of the Frontal Lobe? Executive functioning, motor control, personality, and speech production
What is the Motor Homunculus? A representation of how much space in the brain body parts take up, indicating
fine motor control
What functions does the Temporal Lobe serve? Processes sound, forms long-term memories, language comprehension, and
emotional processing
What is word blindness (Alexia)? Difficulty reading or interpreting words despite seeing letters