PSYCH 381 Exam 1 Dr. Hedges questions and answers with correct answers 100%

PSYCH 381 Exam 1 Dr. Hedges questions and answers with correct answers 100% How many neurons and glial cells are in the brain? - Correct Answer 86 billion neurons, 87 Billion Glial cells 2 divisions of autonomic nervous system - Correct Answer sympathetic nervous system and parasympathetic nervous system True or false, there is an association between amount of neurons and intelligence - Correct Answer FALSE What is a comprehensive map of neural connections in the brain "wiring diagram"? - Correct Answer Connectome Element or system of behavior passed on from one individual to another - Correct Answer meme Flynn Effect - Correct Answer The rise in average IQ scores and overall intelligence that has occurred over the decades in many nations--biggest cause of this is more resources in increased emphasis and levels of education (interesting fact, kids during covid had a decrease on this) Frontal Cortex is in charge of... - Correct Answer executive functioning Large Cavities in brain with CSF that keep the brain cushioned and buoyant - Correct Answer ventricles If the ventricles are enlarged... - Correct Answer Brain matter is decreasing Part of brain that is responsible for the produce of Cerebral Spinal Fluid - Correct Answer Choroid Plexus Where do axon structures begin on the cell/neuron? - Correct Answer Axon Hillock Glial cells responsible for creating myelin in the brain - Correct Answer Oligodendrocytes Biological process that makes Epigenetics possible - Correct Answer Methylation--the chemical and biological process Epigenetics - Correct Answer determines which genes are expressed and how they are expressed based on your nature and nurture from environment. These can change through the course of your life, and can impact generations ahead (choices matter!) 4 substances used for resting potential, depolarization, and hyperpolarization are - Correct Answer potassium, chloride, sodium, proteins Small changes in voltage across the cell membrane - Correct Answer Graded Potentials Conduction between nodes of Ranvier - Correct Answer Saltatory Conduction (gaps between myelin that allows nerve conductions to be faster) (Saltar in spanish means to jump) Nodes of Ranvier - Correct Answer gaps in the myelin sheath In resting potential sodium is more prevalent inside our outside the cell? - Correct Answer Outside Multiple Sclerosis is associated with damaged - Correct Answe