Neuronal systems - Study guides, Class notes & Summaries

CAPS 391 CNS Exam Questions and Answers What is the structural classification of the nervous system? - Answer-NS is divided into CNS and PNS What is the functional classification of the nervous system? - Answer-somatic and visceral (autonomic) nervous systems What are sensory/afferent nerves? What are motor/efferent nerves? - Answer-- carry info TOWARDS CNS - carry info AWAY FROM CNS What is the CNS? - Answer-- brain and spinal cord What does the brain consist of? - Answer-- ...

T/F Decreased size, number of cells in CNS (gyral atrophy), Ventricular dilation, and cerebral metabolic rate of O2 utilization decline are normal processes of aging in CNS. - ANSWERSTrue T/F Cortical neuronal loss is part of normal aging. - ANSWERSFalse! - not part of normal aging Areas where there is neuronal loss - ANSWERSThalamus, straitum, basal forebrain, hippocampus T/F Not all older adults are frail and not all frail older adults are disabled. - ANSWERSTrue T/F Fr...

CBNS 121 Final Exam Questions & Answers 2024/2025 What is the function of the axon? - ANSWERSit conducts signals and forms synapses with targets What is the function of the dendrite? - ANSWERSreceives information from other neurons What is the pre-neuron called? - ANSWERSneurite What happens when you cut an axon? - ANSWERSit allows ONE dendrite to become a new axon What are two things that help the axon find the correct target? - ANSWERSEnvironmental cues guidepost cells Wha...

OCR A-Level Biology Updated Questions And Verified Answers With Complete Solutions| Graded A| What is Cell signalling? Correct Answer When cells communicate by signalling, one cell releases a chemical•This chemical is detected by another cell•The second cell then responds to this signal What are the two Cell signalling systems Correct Answer There are 2 major systems of communication: Neuronal System• via Network of neurons• Quick signals• Rapid responses Hormonal System•...

KPEERI Exam 2024 With Questions and Answers 100%Verified (Q&A). phonology - Answer speech sound system of a language, how the sounds can be produced, sequenced, and combined to make words morphology - Answer smallest unit of meaning in a language, how the units combine to change meaning, prefixes, suffixes, base elements morpheme - Answer smallest unit of meaning phoneme - Answer smallest unit of sound semantics - Answer meanings of words, phrases, and sentences, and their relationship i...

KPEERI Exam 2024 With Questions and Answers 100%Verified (Q&A). phonology - Answer speech sound system of a language, how the sounds can be produced, sequenced, and combined to make words morphology - Answer smallest unit of meaning in a language, how the units combine to change meaning, prefixes, suffixes, base elements morpheme - Answer smallest unit of meaning phoneme - Answer smallest unit of sound semantics - Answer meanings of words, phrases, and sentences, and their relationship i...

NSCI 175 EXAM 1 REVIEW QUESTIONS AND ANSWERS, GRADED A+/ VERIFIED/ Explain the reductionist approach - -Breaking the topic of neuroscience down into smaller pieces (Cognitive, Behavior, Systems, Cellular, Molecular). Pros: can be more detailed; get a better explanation of the topics Cons: can be hard to see the big picture Compare different levels of analysis in neuroscience research (molecular, cellular, systems, behavioral, and cognitive neuroscience) - -Molecular- looking at the mol...

Brain Atrophy - ️️Severe shrinking of the entire cortex Severely enlarged ventricles Severe shrinkage of hippocampus Rate of neuronal loss accelerates as the disease progresses Whole brain weight decreased by 10% to 19% Not evenly distributed Mostly in gyri of association areas Relatively less: primary motor, primary somatosensory and primary visual cortices -- Mostly the medial temporal lobe is affected -- - If it is purely AD, motor and sensation normal Top 9 Early Signs - ️️...

Describe key breakthroughs in our understanding of the nervous system through history Answer 1930- central dogma (how DNA codes proteins) 1960- Seymour Benzor (behavior change and specific gene mutations Eric Kandel- learning has a molecular basis... aplysia neuronal tissue is studied 1980's : Numa's lab discovers voltage gated sodium channels 1990's- Sudof: calcium ions alter shape of proteins Four major advancements: localization of specific function, neuron, evolution, dorsal and ven...

Cognition - correct answer Translates to the faculty of knowing. In practice it is the set of processes (cognitive functions) that allow humans and many other animals to perceive external stimuli, to extract key information and hold it in memory, and ultimately to generate thoughts and actions that help reach desired goals. Mind - correct answer The vehicle that carries out processing of cognition Behaviorism - correct answer Emphasis on highly controlled experiments that matched obj...