NSCI 1001 Exam 1 UMN questions with correct answers

Neurons Answer building blocks of the nervous system Parts of a neuron and their functions Answer dendrites: receive info cell body/soma: process info axon: transmit info Direction of information flow within a neuron Answer dendrites - axon With neuroanatomy, we look to understand... Answer 1. Regional specificity: distinctions between regions of the brain, and within regions of the brain 2. Connectivity: how one brain region is connected to another 3. Function: what are the roles of these brain connections, and how do they play into our actions Standard MRI Imaging Answer - Allows you to look at brain STRUCTURE - MRI scanners, best resolution = about 1 mm - Provides snapshot of what brain anatomy looks like - Easy to examine changes over time (ex: see how much atrophy has occurred over 12 months) FMRI (Functional MRI) Answer - Allows you to see changes in ACTIVITY in brain based on changes in blood flow - Shows which part of brain being stimulated the most