The Nervous System

The Nervous System

The Brain

Autonomic Nervous System

SympatheticSympathetic AreaArea ParasympathetiParasympatheticc

Pupil dilated, Dry, Pupil dilated, Dry, Far visionFar vision

EyesEyes Pupils constricted, Pupils constricted, Moists; near visionMoists; near vision

DryDry MouthMouth SalivatingSalivating

Goose bumpsGoose bumps SkinSkin No goose bumpsNo goose bumps

SweatySweaty PalmsPalms DryDry

Passages dilatedPassages dilated LungsLungs Passages Passages constrictedconstricted

Increased rateIncreased rate HeartHeart Decreased rateDecreased rate

Supply max. to Supply max. to musclesmuscles

BloodBlood Supply max to Supply max to internal organsinternal organs

Increased activityIncreased activity Adrenal GlandsAdrenal Glands StimulationStimulation

Inhibited Inhibited DigestionDigestion stimulationstimulation

Key Structures of The Brain

Brain Sites Damage to:

http://www.pbs.org/wnet/http://www.pbs.org/wnet/brain/3d/index.htmlbrain/3d/index.html

http://thebrain.mcgill.ca/http://thebrain.mcgill.ca/ http://faculty.washingtonhttp://faculty.washington

.edu/chudler/lobe.html.edu/chudler/lobe.html http://www.brainsource.chttp://www.brainsource.c

om/brain%20injury.htmom/brain%20injury.htm

http://www.medem.com/http://www.medem.com/MedLB/article_detaillb.cfMedLB/article_detaillb.cfm?article_ID=ZZZ0ZFP4m?article_ID=ZZZ0ZFP46JC&sub_cat=756JC&sub_cat=75

http://www.ipmc.cnrs.fr/http://www.ipmc.cnrs.fr/~duprat/neurophysiolog~duprat/neurophysiology/video.htmy/video.htm

ThalamusThalamus Primary visual cortexPrimary visual cortex Cerebral cortexCerebral cortex Pituitary glandPituitary gland HypothalamusHypothalamus Auditory cortexAuditory cortex CerebellumCerebellum Broca’s AreaBroca’s Area Wernicke’s AreaWernicke’s Area MedullaMedulla

Right Brain/ Left Brain Studies

LeftLeft RightRight

VerbalVerbal NonVerbalNonVerbal

LanguageLanguage Spatial Prob.Spatial Prob.

MathMath MusicMusic

WritingWriting ArtArt

LogicLogic Fantasy/creativityFantasy/creativity

The two hemispheres are The two hemispheres are specialized to process specialized to process different types of different types of cognitive taskscognitive tasks

Each hemisphere has its Each hemisphere has its own independent stream own independent stream of consciousness (Roger of consciousness (Roger Sperry)Sperry)

The two hemispheres The two hemispheres have different modes of have different modes of thinking.thinking.

People vary in the People vary in the reliance on one reliance on one hemisphere as opposed hemisphere as opposed to the other.to the other.

School should place School should place more emphasis on more emphasis on teaching the right side of teaching the right side of the brain. (Balance)the brain. (Balance)

LeftLeft RightRight

AnalyticAnalytic SyntheticSynthetic

SymbolicSymbolic ConcreteConcrete

AbstractAbstract AnalogicAnalogic

TemporalTemporal Non-temporalNon-temporal

DigitalDigital SpatialSpatial

LogicalLogical IntuitiveIntuitive

LinearLinear holisticholistic

Split Brain Sites

http://faculty.washington.edu/http://faculty.washington.edu/chudler/split.htmlchudler/split.html

http://nobelprize.org/http://nobelprize.org/educational_games/medicine/split-educational_games/medicine/split-brain/background.htmlbrain/background.html

Methods of Studying the Brain

LesioningLesioning ESB – Electrical ESB – Electrical

Stimulation of the Stimulation of the BrainBrain

Electrical RecordingsElectrical Recordings-EEG -EEG Electroencephalograph Electroencephalograph (Yeah, big friggen word!)(Yeah, big friggen word!)

Brain- Imaging ProceduresBrain- Imaging Procedures- CT- Computerized CT- Computerized

tomographytomography- Pet – Positron Emission Pet – Positron Emission

TomographyTomography- MRI- Magnetic Resonance MRI- Magnetic Resonance

ImagingImaging- InterviewInterview

http://www.pbs.org/http://www.pbs.org/wnet/brain/scanning/wnet/brain/scanning/index.htmlindex.html

http://www.med.harvhttp://www.med.harvard.edu/AANLIB/caseard.edu/AANLIB/cases/caseNA/pb9.htms/caseNA/pb9.htm

The Endocrine System

http://http://www.innerbody.comwww.innerbody.com/image/endoov.html/image/endoov.html

http://http://www.emc.maricopa.www.emc.maricopa.edu/faculty/edu/faculty/farabee/BIOBK/farabee/BIOBK/BioBookENDOCR.htBioBookENDOCR.htmlml

http://www.ama-http://www.ama-assn.org/ama/pub/assn.org/ama/pub/category/7157.htmlcategory/7157.html