Module 1 BIO 322 Practice Questions and Correct Answers

The brain is organized into ________ areas specific Neurons in different parts of the nervous system act: similarly Individuality in behavior is determined by: distinctive modification of brain architecture, along with a unique genetic makeup Brainstem regulates heart rate, respiration and arousal Amygdala -motivation, anger, fear, and emotional processing -analyzes emotional or motivational significance of sensory stimuli -directs input from sensory systems and projects fibers to several cortical and subcortical structures, as well as the brain stem, where it modulates somatic and visceral components of emotion. Cerebellum -maintains posture and coordinates head fine motor coordination, integration of proprioceptive information -receives info about somatic sensation from the spinal cord -receives info about balance from vestibular organs in inner ear Motor cortex sends signals to the spinal cord to activate or inhibit muscular movements Premotor cortex involved with movement planning; sends signals to motor cortex Primary somatosensory cortex processes incoming sensory information including proprioception, touch and pain from the body Hippocampus involved in holding of short term memories and the conversion of information from short to long term memory Basal ganglia involved in initiation of motor patterns and recalling learned movements Visual cortex processes incoming visual information Caudal towards tail