L31 2009 How neurons work

L31 2009 How neurons work - pick up one ion when you come...

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Unformatted text preview: pick up one ion when you come in Na + K + either sodium or potassium Lecture 31 HOW NEURONS WORK Nov. 9, 2009 Ramon y Cajal Cerebellar purkinje cell, pigeon Liz will discuss her struggles and successes of living with schizophrenia. Followed by a question and answer period focusing on symptoms, acceptance, stigma, coping skills, medication, families and friends of people living with mental illness Nobel Prize Concepts & Terms diatom diatomaceous earth DNA polymerase dynamite gel electrophoresis nitric oxide (NO) nitroglycerin origin of replication population doubling probe progeria replication fork reverse transcriptase ribonucleoprotein RNA primer silica gel Southern blot telomere telomere replication problem telomerase template Tetrahymena TTAGGG &¡¢£¢¤¥ ¦¡§¡§¤ ¦¡¨©ª¨¨¡¢§¨ «¬­­®¯¯°± ©²³´µ­­ª´¶·µ³¸¶¹º Monday, 9 Nov. 2009 Room 302AB APPEL DINING HALL 5:45 PM Meeting place: West Entrance to Appel Center at 5:45pm The Need for Speed Hormones: delays of seconds or minutes or more Electrical action potentials: milliseconds (150 m/s) Needed by organisms that: escape from predators (=animals) are large (multicellular) capture food (predators) respond quickly to any environmental change Most staining techniques reveal the nervous system to be a jumbled network of interconnected fibers. Are they individual cells? Bodian silver stain of insect optic lobe (left) and mammalian cerebral cortex (above) NEURON DOCTRINE: The nervous system is composed of cells &¡¢¡£¤¥ ¦¥§ ¨© ª ¨£«¬¥­¡¬® ¥¯¨° ¥ ¬®±¬²¬±¦¡£ ³§££¥ ©´¨µ ³§´§¶§££¦µ ©´¨µ ·¬«§¨® ¸ ¡®­¬¡«¨ ¹¡µ ¨® º &¡¢¡£ »¼½ ! " ¼#$%¾ ’ ¨¶§£ (´¬)§ ¼#*+, ° ¬­¯ &¡µ ¬££¬¨ ª ¨£«¬ »¼½%$ " ¼#!+¾ ª ¨£«¬¥­¡¬®§± ®§¦´¨® ©´¨µ...
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This note was uploaded on 03/13/2010 for the course BIOG 1101 taught by Professor N/a during the Fall '10 term at Cornell.

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L31 2009 How neurons work - pick up one ion when you come...

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