Objectives: Students will be able to describe the general structure of the Cerebrum and Cerebral Cortex



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tarix30.10.2017
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Objectives:

  • Students will be able to describe the general structure of the Cerebrum and Cerebral Cortex.







Cerebral Features:

  • Cerebral Features:







Lobes of the Brain (4)

  • Frontal

  • Parietal

  • Occipital

  • Temporal



Lobes of the Brain - Frontal

  • The Frontal Lobe of the brain is located deep to the Frontal Bone of the skull.



Frontal Lobe - Cortical Regions

  • Orbitofrontal Cortex – Site of Frontal Lobotomies





Lobes of the Brain - Parietal Lobe

  • The Parietal Lobe of the brain is located deep to the Parietal Bone of the skull.



Parietal Lobe - Cortical Regions

  • Primary Somatosensory Cortex (Postcentral Gyrus) – Site involved with processing of tactile and proprioceptive information.





Lobes of the Brain – Occipital Lobe

  • The Occipital Lobe of the Brain is located deep to the Occipital Bone of the Skull.



Occipital Lobe – Cortical Regions

  • Primary Visual Cortex – This is the primary area of the brain responsible for sight -recognition of size, color, light, motion, dimensions, etc.





Lobes of the Brain – Temporal Lobe

  • The Temporal Lobes are located on the sides of the brain, deep to the Temporal Bones of the skull.



Temporal Lobe – Cortical Regions





















Q: What do you notice about the proportions depicted in the aforementioned homunculus?

  • Q: What do you notice about the proportions depicted in the aforementioned homunculus?









Resources

  • Images:

  • http://www.dalbsoutss.eq.edu.au/Sheepbrains_Me/human_brain.gif

  • http://www.bioon.com/book/biology/whole/image/1/1-8.tif.jpg

  • http://www.bioon.com/book/biology/whole/image/1/1-6.tif.jpg

  • http://williamcalvin.com/BrainForAllSeasons/img/bonoboLH-humanLH-viaTWD.gif

  • http://www.math.tu-dresden.de/~belov/brain/motorcor2.gif

  • Larson, Gary. The Far Side.

  • Phineas Gage:

  • http://www.sruweb.com/~walsh/gage5.jpg

  • http://soma.npa.uiuc.edu/courses/bio303/Image7.jpg

  • http://en.wikipedia.org/wiki/Phineas_Gage

  • http://science-education.nih.gov/nihHTML/ose/snapshots/multimedia/ritn/Gage/Broken_brain1.html







National Standards:

  • THE BEHAVIOR OF ORGANISMS:

  • Multicellular animals have nervous systems that generate behavior. Nervous systems are formed from specialized cells that conduct signals rapidly through the long cell extensions that make up nerves. The nerve cells communicate with each other by secreting specific excitatory and inhibitory molecules. In sense organs, specialized cells detect light, sound, and specific chemicals and enable animals to monitor what is going on in the world around them.

  • Organisms have behavioral responses to internal changes and to external stimuli. Responses to external stimuli can result from interactions with the organism's own species and others, as well as environmental changes; these responses either can be innate or learned. The broad patterns of behavior exhibited by animals have evolved to ensure reproductive success. Animals often live in unpredictable environments, and so their behavior must be flexible enough to deal with uncertainty and change. Plants also respond to stimuli.

  • Like other aspects of an organism's biology, behaviors have evolved through natural selection. Behaviors often have an adaptive logic when viewed in terms of evolutionary principles.

  • Behavioral biology has implications for humans, as it provides links to psychology, sociology, and anthropology.




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