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Neuro_quiz3
Neuro_quiz3

... 32. What kind of reflex is involved in balancing your weight on 1 leg? 33. During the above action the sensory neuron synapses on interneurons, which cross over in the ________ ________ to synapse on motor neurons on the same/opposite side. 34. T/F The response above is very specific. 35. ________ r ...
Neuron
Neuron

... activated by anticipated or received awards (i.e., monetary, chocolate). Mouse Party • “Mind on Drugs! • A team at the National Institutes of Mental Health in 2005 saw that the nucleus accumbens responded more in adolescents than in adults when they received a reward (Monastersky, 2007, para ...
Carrie Heath
Carrie Heath

... very fast response but does not seem to last very long. Drug B takes a while longer to take effect but seems to last much longer. If these drugs are binding to different types of receptors, which type is each one binding to? 9. Taking into consideration what we have learned about the structure of io ...
Slide 1
Slide 1

... 1. Neurons are electrically active; They have a resting voltage, and can undergo electrical changes ...
Human Nervous System
Human Nervous System

... receptors to the spinal cord and brain motor nerves contain the long axons of motor neurons; transmit impulses from the central nervous system to the effectors ...
Nervous System - Gordon State College
Nervous System - Gordon State College

...  Soma: central part of neuron (Latin word for “body”)  Dendrites: branchlike extensions attached to the soma that receive information from other neurons  Axon: a tubelike extension of the soma that sends information in the form of an electrochemical ...
No Slide Title
No Slide Title

... • Odorants bind to receptors located on the receptor’s cilia – 1000 different types of olfactory receptor neurons – each receptor neuron can have 1000 different types of receptor proteins (responding to 1000 different chemicals) – total of 10 million olfactory receptors ...
Chapter 12: Nervous System III: Senses
Chapter 12: Nervous System III: Senses

... internal tissues, except in the nervous tissue of the brain. c. Pain receptors can be stimulated by damaged tissue. d. Pain receptors adapt very little, if at all. 2. Visceral Pain a. Visceral pain receptors respond differently to stimulation than those of surface tissues. b. Pain in visceral organs ...
Sensory input: Sensory structures, classification by function
Sensory input: Sensory structures, classification by function

... cortex, the hypothalamus, and the limbic system B. gustation 1. gustatory receptors are located in taste buds in the epithelium of the tongue papillae, mouth and pharynx ...
Synapse Formation
Synapse Formation

... • Synapse = the connection between neuron and target or two neurons • Axon grows to target – differentiates into the presynaptic terminal • Target cell also changes – into postsynaptic terminal • Both already carrying the components to form the synapse Æ contact is trigger ...
Biological Neurons and Neural Networks, Artificial Neurons
Biological Neurons and Neural Networks, Artificial Neurons

... In biological neural networks, the individual spike timings are often important. So “spike time coding” is the most realistic representation for artificial neural networks. However, averages of spike rates across time or populations of neurons carry a lot of the useful information, and so “rate codi ...
Onset and physiology of labor
Onset and physiology of labor

... transition from passive relaxed to active excitatory muscle (↑responsiveness). ...
Module 4 - Neural and Hormonal Systems
Module 4 - Neural and Hormonal Systems

... tip of the sending neuron and the dendrite or cell body of the receiving neuron. This tiny gap is called the synaptic gap or cleft. ...
Lecture 08
Lecture 08

... How neural activity causes changes in synaptic weights? How long can these changes of synaptic weights last? How many memories we can store in one neural network? What is forgetting and how it happens? ...
The Nervous System - Thomas C. Cario Middle School
The Nervous System - Thomas C. Cario Middle School

... involuntary functions such as digestion and heart rate • - you cannot control this; it is automatic! (autonomic) b. Somatic Nervous System – voluntary responses that are under your control - feeling and itch on your skin and scratching it, or giving someone a high five ...
Chapter 11- 14 Integration of Nervous System Functions
Chapter 11- 14 Integration of Nervous System Functions

... Explicit or declarative memory: – Retention of facts, such as names, dates – Accessed by hippocampus, part of temporal lobe (actual memory) – and amygdaloid nucleus – emotional, such as like or dislike • Implicit (procedural; reflexive) memory: development of skills such as riding a bicycle, playing ...
Molecular Interactions in Cell events
Molecular Interactions in Cell events

... What does this have to do with cell signalling? ...
Nervous System Function
Nervous System Function

... Myelinated neurons allow action potentials to ‘jump’ between unmyelinated gaps (Node of Ranvier) along the neuron Action potential and nerve impulse are faster Myelin sheath acts as insulation prevents depolarization Nodes of Ranvier are not insulated and can depolarize as a result ...
Loss of orexin/NARP neurons in human narcolepsy
Loss of orexin/NARP neurons in human narcolepsy

... mRNA, and cerebrospinal fluid levels of ORX are often reduced in patients with cataplexy. Mice and dogs lacking ORX or ORX receptors display narcolepsy-like symptoms similar to those observed in people. Further, mice and rats with an engineered loss of ORX neurons have a nearly identical narcolepsy ...
File - LC Biology 2012-2013
File - LC Biology 2012-2013

... • What is the function of the [a] humours, [b] optic nerve? • If you are longsighted, what does it mean? • What could be a possible cause? • What type of lens can rectify it? ...
Central Nervous System (CNS)
Central Nervous System (CNS)

... • Sensory Neurons afferent; carry impulses to CNS • Interneurons link neurons in the CNS • Motor Neurons carry impulses away from CNS to effectors such as muscles and glands • SUPPORT CELLS Of Nervous System • Schwann Cells: peripheral nervous system— produce myelin sheath • Oligodendrocytes: CNS; m ...
Chapter 11 Efferent Division: Autonomic and Somatic Motor Control
Chapter 11 Efferent Division: Autonomic and Somatic Motor Control

... Autonomic Synapse or Neuroeffector Junction (Figure 11-8, p. 392) Neurotransmitter release can be modulated here by hormones and paracrines (e.g. histamine) which can either facilitate or inhibit neurotransmitter release Some preganglionic neurons co-secrete neuropeptides along with ACh The peptide ...
Smell and Taste
Smell and Taste

... molecules from the air to receptor sites on the cilia ...
7th sci Nervous System and Brain ppt nervous system and
7th sci Nervous System and Brain ppt nervous system and

... glucose, blood to skeletal muscle – “fight or flight” ...
Lecture Suggestions and Guidelines
Lecture Suggestions and Guidelines

... 2. Discuss facilitation, convergence, and divergence. 3. Distinguish between divergence and amplification. 4. Reiterate the concept of efferent vs. afferent pathways. Application Question(s) 1. Apply the students’ knowledge of this Learning Objective by asking each student to create a flow chart dep ...
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Endocannabinoid system

The endocannabinoid system is a group of neuromodulatory lipids and their receptors in the brain that are involved in a variety of physiological processes including appetite, pain-sensation, mood, and memory; it mediates the psychoactive effects of cannabis and, broadly speaking, includes: The endogenous arachidonate-based lipids, anandamide (N-arachidonoylethanolamide, AEA) and 2-arachidonoylglycerol (2-AG); these are known as ""endocannabinoids"" and are physiological ligands for the cannabinoid receptors. Endocannabinoids are all eicosanoids. The enzymes that synthesize and degrade the endocannabinoids, such as fatty acid amide hydrolase or monoacylglycerol lipase. The cannabinoid receptors CB1 and CB2, two G protein-coupled receptors that are located in the central and peripheral nervous systems.The neurons, neural pathways, and other cells where these molecules, enzymes, and one or both cannabinoid receptor types are all colocalized form the endocannabinoid system.The endocannabinoid system has been studied using genetic and pharmacological methods. These studies have revealed that cannabinoids act as neuromodulators for a variety of processes, including motor learning, appetite, and pain sensation, among other cognitive and physical processes. The localization of the CB1 receptor in the endocannabinoid system has a very large degree of overlap with the orexinergic projection system, which mediates many of the same functions, both physical and cognitive. Moreover, CB1 is colocalized on orexin projection neurons in the lateral hypothalamus and many output structures of the orexin system, where the CB1 and orexin receptor 1 (OX1) receptors physically and functionally join together to form the CB1–OX1 receptor heterodimer.
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