Major Brain Structures

Created by AndersonLp3 

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Hindbrain

A area that along with the midbrain make up the brain stem. WIthin it is the Medulla, Pons,Cerebellum, and the Reticular formation

Medulla

Vital life functions. Where neural messages from each side of the body cross to the opposite side of the brain. Oxygen levels in blood,vomiting response, breathing.

Pons

The "bridge" of the brain for info to go from lower to higer brain structures. Interrupts motor messages during REM sleep.

Cerebellum

Controls balance and corrdination. Smooth movement

Reticular formation

Alertness and attention. Individualzed,adaptive alarm system.

Midbrain

A small part of the brain above the pons that integrates sensory information and relays it upward. Contains Substantia Nigra.

Substantia Nigra

Literally means substance dark. Contains neurons that are rich in dopamine (link to Parkinson's).

Forebrain

The largest part of the brain, which holds the Cerebral cortex, Temperal lobe, Occipital lobe, Parietal lobe, Frontal lobe, Corpus callosum, Limbic system, Thalamus, Hypothalamus, Hippocampus, and the Amygdala.

Cerebral cortex

Outermost layer of brain tissue. Extremely sophisitcated, where conscious thought occures (Perception).

Temporal lobe

Process auditory data (sensation). Also contains Wernicke's area (left hemi only).

Wernicke's area

language comprehension

Occipital lobe

Processes visual data (sensation).

Parietal lobe

Processes body sensations (body temp,etc...). Contains the somatosensory cortex.

Frontal lobe

Where personality "lives". Planning, problem solving, consequences, emotions filter. Contains motoer cortex (for voluntary motor movement) and also the Broca's area (left hemi only).

Broca's area

Speech production

Corpus callosum

Band of axon fibers that connects the two hemispheres.

Limbic system

The limbic system is a set of brain structures including the Hippocampus, Amygdala, Thalamus, and the Hypothalamus.

Thalamus

Relay staion: receives and distributs information.

Hypothalamus

Links nervous and endocrine systems. Controls our circadian rhythms.

Hippocampus

Handles formation of new memory.

Amygdala

Raw emotion.

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