Do Now What is the cerebral cortex?.

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Presentation transcript:

Do Now What is the cerebral cortex?

Unit 3B : The Brain The Cerebral Cortex

Intro Cerebrum 2 large hemispheres on the brain Cerebral Cortex layer of neural networks that cover the cerebrum The spider web over brain used for the spiders to communicate

Structure of Cortex Glial Cells (glue cells) Lobes Frontal Parietal speaking, muscle movement, judgement EX: saying words Parietal sensory input for touch & body position EX: feeling a tickle Occipital receiving info for vision EX: seeing teacher Temporal receive info for hearing (opposite ear) EX: hearing lecture

Function of the Cortex - Motor Motor Cortex Involved in voluntary movement located in the back of the frontal lobe controls movement for opposite side of body EX: left part of brain controls kicking ball with right foot Mapping & Neural Prosthetics Mapping of the motor cortex has opened the door for improved prosthetics which are artificial limbs

Function of the Cortex - Sensory Sensory Cortex Located at the front of the parietal lobe responsible for processing touch and movement sensations Left hemisphere takes info from right side of body EX: processing of hand being held

Functions of the Cortex – Association Areas These areas link sensory inputs with stored memories association areas are found on all 4 lobes Frontal Lobes judging, planning, &processing new memories, recent studies have shown that moral compass can be here as well damage means you can still think but planning and inhibitions gone Parietal Lobes allow math and spatial reasoning Temporal Lobes lobe allows facial recognition damage would mean you can describe the face but can’t recognize it

Language Aphasia Broca’s Area Wernicke’s Area Unable to use language EX: concussion and now cant speak or understand others speaking Broca’s Area Controls muscles needed to speak EX: moving lips to make words Wernicke’s Area Meaning of words EX: describe what’s going on in the picture… understanding

The Brain’s Plasticity Brain Damage Plasticity Being able to modify itself after damage EX: constraint-induced therapy Constraint- induced therapy Reprogram brain to use damaged areas Neurogenesis Formation of new neurons Think stem cells

Today Questions? Quiz HW= Our Divided Brain & Right/Left Differences