Brain parts near pod session
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Transcript of Brain parts near pod session
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The Brainstem (hind/old brain)
• Brainstem– located at the base of the brain, consisting of various parts functioning to sustain bodily functions.
2.6 What are the different structures of the bottom part of the brain?
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The Old Brain (Brainstem)
• Medulla– Heartbeat and Breathing
• Pons “bridge”– Coordinates Movement and Sleep
• Reticular Formation– Net of Nerves Inside the Brainstem– Controls Arousal & Alertness– Example: When you name is called
• Locus Coeruleus– Center of Reticular Formation– Alertness and Panic
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The Cerebellum “little brain”
• MAIN FUNCTION:– Coordinates
balance & movement
• (ex. Walking, playing guitar hero)
• OTHER FUNCTIONS:– Judges time– Stores muscle
memory– Discriminates
sounds and texture3
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Cerebellum
Medulla
Pons
Reticular Formation
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Structures Under the Cortex
• Limbic system – located under the cortex and involved in learning, emotion, memory and motivation
2.7 What controls emotion, learning memory and motivation?
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The Limbic System (Emotional)
• Amygdala– Aggression and Fear
• Thalamus– Signal Switchboard– Relays information to your pleasure areas– Relays senses (not smell) information to cortex areas
• Ex: Information from eyes to visual cortex
• Hypothalamus– Hunger, Thirst, Sex, & Body Temp.– reward center & dopamine pathways
• Hippocampus– Memory
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Cerebellum
Medulla
Pons
Reticular Formation
Amygdala
Hippocampus
Thalamus
Hypothalamus
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The
wrinkled
outermost
covering
of
the
brain
ortex
WHY is the cortex so wrinkled?
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The Cerebral Cortex
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The Cerebral Cortex
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Somat
o se n s or y
Somatosensory & Motor Areas
Motor
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Association Areas
Association areas deal with high level thinking such as directions and location
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Motor Cortex Sensory Cortex
Cerebellum
Medulla
Pons
Reticular Formation
Pituitary Gland
Amygdala
Hippocampus
Thalamus
Hypothalamus
Corpus callosum
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Four Lobes of the Brain
• Both the left and right hemispheres can be roughly divided into four sections
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
The Cerebral Cortex
• Frontal Lobes– Thoughts & Decision Making– Contains Motor Cortex– Contains Prefrontal Cortex
• In charge of logic, step-by-step decision making, morals, and emotional control
• Parietal Lobes– Sensation/Touch– Contains Sensory Cortex
• Occipital Lobes– Vision Processing– Contains Visual Cortex
• Temporal Lobes– Hearing & Memory– Contains auditory cortex
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HormonesPeeking
AutonomicPeripheral
SplitMotorLobesLimbicHind
ReflexSynapseActionStructure Central
Motor Cortex Sensory Cortex Parietal LobeFrontal Lobe
Occipital Lobe
Cerebellum
Medulla
Pons
Reticular Formation
Pituitary Gland
Amygdala
Corpus callosum
Hippocampus
Thalamus
Hypothalamus
Prefrontal Cortex
Temporal Lobe