
Neurons are the cells that carry messages between parts of the body
... The cell remains at resting potential until a stimulus reaches the cell, either from another neuron or the environment. Channels in the membrane open to allow Na+ ions to enter the cell. The inside of the cell temporarily becomes more positive. This is called the action potential. Refer to fig. 35-7 ...
... The cell remains at resting potential until a stimulus reaches the cell, either from another neuron or the environment. Channels in the membrane open to allow Na+ ions to enter the cell. The inside of the cell temporarily becomes more positive. This is called the action potential. Refer to fig. 35-7 ...
Fly MARCM and mouse MADM: Genetic methods of labeling and
... Fig. 1 – MARCM-based clonal analysis revealed relationship between lineage/birth order and wiring specificity of olfactory projection neurons. (A) Schematic of MARCM. After FLP/FRT site-specific mitotic recombination (cross between triangles), a heterozygous mother cell may give rise to two daughter ...
... Fig. 1 – MARCM-based clonal analysis revealed relationship between lineage/birth order and wiring specificity of olfactory projection neurons. (A) Schematic of MARCM. After FLP/FRT site-specific mitotic recombination (cross between triangles), a heterozygous mother cell may give rise to two daughter ...
Chap 6 Review - Emmanuel Biology 12
... 23 Auxin is produced by cells in the tip of a shoot. It promotes cell growth by softening the cell walls and allowing turgor pressure to increase the size of the cell. Light causes auxin to concentrate on the darker side of the shoot. Cells on the darker side of the shoot elongate more than cells on ...
... 23 Auxin is produced by cells in the tip of a shoot. It promotes cell growth by softening the cell walls and allowing turgor pressure to increase the size of the cell. Light causes auxin to concentrate on the darker side of the shoot. Cells on the darker side of the shoot elongate more than cells on ...
Slide - Reza Shadmehr
... Invention of functional imaging of the brain. When neurons are active, they consume more energy. The vascular system responds to the change in their activity by increasing the blood in the vessels that are near these neurons. By imaging the blood flow, one can make a rough estimate of where in the ...
... Invention of functional imaging of the brain. When neurons are active, they consume more energy. The vascular system responds to the change in their activity by increasing the blood in the vessels that are near these neurons. By imaging the blood flow, one can make a rough estimate of where in the ...
Nervous System
... There are two parts to the nervous system: 1. Central Nervous System (CNS): Brain & Spinal Cord – process incoming & outgoing messages 2. Peripheral Nervous System (PNS): Nerves – connects all neurons to the central nervous system ...
... There are two parts to the nervous system: 1. Central Nervous System (CNS): Brain & Spinal Cord – process incoming & outgoing messages 2. Peripheral Nervous System (PNS): Nerves – connects all neurons to the central nervous system ...
Ch10 Reading Guide
... T. The two divisions of the motor division are __________________________________ ________________________________________________________________________ U. The somatic nervous system is involved in __________________________________ V. The autonomic nervous system is involved in __________________ ...
... T. The two divisions of the motor division are __________________________________ ________________________________________________________________________ U. The somatic nervous system is involved in __________________________________ V. The autonomic nervous system is involved in __________________ ...
Nervous System
... Neurons are not specialized into different divisions Neurons are functionally bipolar and impulses radiate out from the ...
... Neurons are not specialized into different divisions Neurons are functionally bipolar and impulses radiate out from the ...
Biological Processes Neurons
... - Anatomy, communication, networks CNS/PNS The Brain - Anatomy, localization of function Methods to study the brain (Dr. Heidenreich) ...
... - Anatomy, communication, networks CNS/PNS The Brain - Anatomy, localization of function Methods to study the brain (Dr. Heidenreich) ...
Eye, Ear, Sensation & Perception
... cones are “tuned” to be sensitive to red, green & blue wavelengths of light ...
... cones are “tuned” to be sensitive to red, green & blue wavelengths of light ...
Nervous System Chap49
... 2. Central nervous system CNS consists of Brain and Spinal Cord. The human brain contains about 100 billion neurons, organized into circuits more complex than the most powerful supercomputers. 3. Peripheral nervous system PNS consists of cranial nerves arising from brain and spinal nerves connected ...
... 2. Central nervous system CNS consists of Brain and Spinal Cord. The human brain contains about 100 billion neurons, organized into circuits more complex than the most powerful supercomputers. 3. Peripheral nervous system PNS consists of cranial nerves arising from brain and spinal nerves connected ...
Unit 4: Neuroscience The Neuron Soma (cell body): Contains
... Temporal Lobes: Contain the primary auditory cortex (audition) and areas for the senses of smell (olfaction) and taste (gustatory sense). The LEFT temporal lobe contains Wernicke's Area which control language comprehension and expression. Occipital Lobes: Contains the Primary Visual Cortex. Associat ...
... Temporal Lobes: Contain the primary auditory cortex (audition) and areas for the senses of smell (olfaction) and taste (gustatory sense). The LEFT temporal lobe contains Wernicke's Area which control language comprehension and expression. Occipital Lobes: Contains the Primary Visual Cortex. Associat ...
Evolving Virtual Creatures
... • Number of inputs dependant on function • Output dependant on input and maybe previous state ...
... • Number of inputs dependant on function • Output dependant on input and maybe previous state ...
Introduction To Physiology ~ LECTURE NOTES
... (1871-‐1945) coined the term ‘homeostasis’: it fluctuates within limited range around a set point Homeostasis mechanisms: 1. Receptor-‐ sensitive to environmental change 2. Control centre-‐ receives and processes ...
... (1871-‐1945) coined the term ‘homeostasis’: it fluctuates within limited range around a set point Homeostasis mechanisms: 1. Receptor-‐ sensitive to environmental change 2. Control centre-‐ receives and processes ...
BrainMechanismsofUnconsciousInference2011
... of motion of a field of dots). Here we have a situation in which the alternatives to a given H, say H1, are the other hypotheses, H2, H3, etc. In this case, the probability of a particular hypothesis given the evidence becomes: P(Hi|E) = p(E|Hi)p(Hi) Si’p(E|Hi’)p(Hi’) The normalization implied here ...
... of motion of a field of dots). Here we have a situation in which the alternatives to a given H, say H1, are the other hypotheses, H2, H3, etc. In this case, the probability of a particular hypothesis given the evidence becomes: P(Hi|E) = p(E|Hi)p(Hi) Si’p(E|Hi’)p(Hi’) The normalization implied here ...
Chapter 14
... Na passes through channels and activates specific receptor cells, depolarizing the cells. Sour: ...
... Na passes through channels and activates specific receptor cells, depolarizing the cells. Sour: ...
November 1 CNS INTRO
... 5. “Decussation” is when information crosses from one side of the brain or spinal cord to the other. “Projection” is when information is exchanged between brainstem and spinal cord, or deep brain nucleand cortical ribbon. What two major anatomical areas of gray matter in the brain account for each r ...
... 5. “Decussation” is when information crosses from one side of the brain or spinal cord to the other. “Projection” is when information is exchanged between brainstem and spinal cord, or deep brain nucleand cortical ribbon. What two major anatomical areas of gray matter in the brain account for each r ...
The Nervous System - Ridgewood High School
... of the nervous system • Specialized to conduct information from one part of the body to another • There are many, many different types of neurons but most have certain structural and functional characteristics in common: - Cell body (soma) - One or more specialized, slender processes (axons/dendrite ...
... of the nervous system • Specialized to conduct information from one part of the body to another • There are many, many different types of neurons but most have certain structural and functional characteristics in common: - Cell body (soma) - One or more specialized, slender processes (axons/dendrite ...
Project Self-Discovery
... are inhibitory (slow down or even stop the message from being delivered) ...
... are inhibitory (slow down or even stop the message from being delivered) ...
Brain Awareness Day - Lakehead Science Education (Matt Roy)
... What do Smell and Taste have in common? • They are both chemical senses! – Molecules in the air or our mouths dissolve and bind to receptors which send signals to the brain! ...
... What do Smell and Taste have in common? • They are both chemical senses! – Molecules in the air or our mouths dissolve and bind to receptors which send signals to the brain! ...
Spring 2011 MCB Transcript
... “This is not the marines,” says MCB Professor Ehud Isacoff. “When you run or walk you need to be able to not have to think about every step you take.” Isacoff’s lab studies the how the nervous system is able to time and send signals that drive orderly locomotion. Because muscles on each side of the ...
... “This is not the marines,” says MCB Professor Ehud Isacoff. “When you run or walk you need to be able to not have to think about every step you take.” Isacoff’s lab studies the how the nervous system is able to time and send signals that drive orderly locomotion. Because muscles on each side of the ...
Chapter 6 Notes
... and say it was a ball, but not holding it in their left hand c. Shows how unique and the specialize functions and skills of each hemisphere d. Remained practically unchanged in intelligence, emotion and personality E. How Psychologists study the brain a. Recording i. Putting electrodes into the brai ...
... and say it was a ball, but not holding it in their left hand c. Shows how unique and the specialize functions and skills of each hemisphere d. Remained practically unchanged in intelligence, emotion and personality E. How Psychologists study the brain a. Recording i. Putting electrodes into the brai ...
Chapter 2 - The Brain (Part II)
... roughly above the ears; includes the auditory areas, each receiving information primarily from the opposite ear An area at the rear of the frontal lobes that controls voluntary movements. Area at the front of the parietal lobes that registers and processes body touch and movement sensations. Areas o ...
... roughly above the ears; includes the auditory areas, each receiving information primarily from the opposite ear An area at the rear of the frontal lobes that controls voluntary movements. Area at the front of the parietal lobes that registers and processes body touch and movement sensations. Areas o ...
Lecture 9: The Chemical Senses
... substances that affect our sour-taste receptors in 2 ways Acids in solution H+ that can permeate the sodium channels used in salt detection & so cause depolarization stimulated release of neurotransmitter H+ also block a potassium selective channel within the membrane which causes depolarization bec ...
... substances that affect our sour-taste receptors in 2 ways Acids in solution H+ that can permeate the sodium channels used in salt detection & so cause depolarization stimulated release of neurotransmitter H+ also block a potassium selective channel within the membrane which causes depolarization bec ...
Optogenetics

Optogenetics (from Greek optikós, meaning ""seen, visible"") is a biological technique which involves the use of light to control cells in living tissue, typically neurons, that have been genetically modified to express light-sensitive ion channels. It is a neuromodulation method employed in neuroscience that uses a combination of techniques from optics and genetics to control and monitor the activities of individual neurons in living tissue—even within freely-moving animals—and to precisely measure the effects of those manipulations in real-time. The key reagents used in optogenetics are light-sensitive proteins. Spatially-precise neuronal control is achieved using optogenetic actuators like channelrhodopsin, halorhodopsin, and archaerhodopsin, while temporally-precise recordings can be made with the help of optogenetic sensors for calcium (Aequorin, Cameleon, GCaMP), chloride (Clomeleon) or membrane voltage (Mermaid).The earliest approaches were developed and applied by Boris Zemelman and Gero Miesenböck, at the Sloan-Kettering Cancer Center in New York City, and Dirk Trauner, Richard Kramer and Ehud Isacoff at the University of California, Berkeley; these methods conferred light sensitivity but were never reported to be useful by other laboratories due to the multiple components these approaches required. A distinct single-component approach involving microbial opsin genes introduced in 2005 turned out to be widely applied, as described below. Optogenetics is known for the high spatial and temporal resolution that it provides in altering the activity of specific types of neurons to control a subject's behaviour.In 2010, optogenetics was chosen as the ""Method of the Year"" across all fields of science and engineering by the interdisciplinary research journal Nature Methods. At the same time, optogenetics was highlighted in the article on “Breakthroughs of the Decade” in the academic research journal Science. These journals also referenced recent public-access general-interest video Method of the year video and textual SciAm summaries of optogenetics.