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The brain
Parts of the brain; Brain + Neuron Quiz
Question | Answer |
---|---|
Cerebral Cortex | controls very high level thoughts, processing. |
Right Hemisphere | controls gross motor movements + sensations of left side of body. Function: art, music, mathematical reasoning |
Left Hemisphere | controls gross movements + sensations of right side of body. Function; Verbal, Speech, Language, Reading, & Writing |
Fissure | Line of separation between the left and right hemispheres |
Corpus Callosum | Bundle of nerve fibers that transfer information from one half of the cerebral cortex to the other. |
The Frontal Lobe | contains the motor strip. Every part of the body capable of moving is in this strip. |
Occipital Lobe | interprets visual information |
Parietal Lobe | Contains the sensory strip, which recognizes when a particular part of the body is being touched or in pain |
Temporal Lobe | responsible for hearing and some speech |
Thalamus | acts as relay station to send incoming and outgoing messages to an from various parts of the brain "post office of the brain" |
Hypothalamus | controls rage, fear, hunger, thirst, and sexual desire. Four F's - Feeding, Fleeing, Fighting, & Fornicating |
Amygdala | responsible for basic emotional responses and fear responses. Damage leads to no or exaggerated fear responses. |
Hippocampus | responsible for consolidation of memories. Consolidation means turning information into a memory code to store. |
Cerebellum | maintains balance, coordination, and movement. |
Reticular Formation | catches nerve signals going to and from the brain, then signals you to be more awake/alert if there are many or become sleepy if there are very few signals |
Pons | controls facial expressions (I.e. smiling, frowning, furrowing your brow) |
Medulla Oblongata | controls unconscious functions such as breathing, blinking, heart rate, etc. so we can do them without having to think about it. |