The Brain Unit: AP Pysch Flashcards
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5227595631 | Corpus Callosum | Axon fibers connecting the two hemispheres, severing this causes split brain | 0 | |
5227595632 | Brain Stem | serves as a bridge between the brain and the body, made up of the Pons, Medulla, Spinal Cord, Recticular Formation, Thalamus, Cerebellum | 1 | |
5227595633 | Limbic Systems | Deals with emotion and drives, made up of the Amygala, Hippocampus, Hypothalamus | 2 | |
5227595634 | Frontal Lobe | Contains the motor cortex and is involved in planning, judgement and decision making | 3 | |
5227595635 | Parietal Lobe | Contains the sensory cortex and receives sensory input for touch and movement | 4 | |
5227595636 | Occipital Lobe | Processes visual data and routes it to other parts of the brain | 5 | |
5227595637 | Temporal Lobe | Controls memory, storage, emotio, hearing and on the left side, language. | 6 | |
5227595638 | Cerebral Cortex | all lobes and cortexes (home of all 40 billion neurons) | 7 | |
5227595639 | Broca's Area | controls speech and muscle movements in order to speak | 8 | |
5227595640 | Wernicke's Area | deal with comprehension and word recognition of spoken language | 9 | |
5227595641 | glial cell | cells in the nervous system that support, nourish, and protects neurons | 10 | |
5227595642 | Aphasia | impaired use of languages caused by damage to language areas | 11 | |
5227595643 | Denrite | branching extension that receive incoming messages. | 12 | |
5227595644 | Axon | single extension of neurons that carry messages. | 13 | |
5227595645 | Myelin Sheath | insulates axon and speeds along messages | 14 | |
5227595646 | Terminal Branches | house the synaptic vesicle that relay messages | 15 | |
5227595647 | Cell Body | contains nucleus | 16 | |
5227595648 | Vesicles | hold neurotransmitters | 17 | |
5227595649 | Polarization | negative ions inside positive ions outside. | 18 | |
5227595650 | Depolarization | ions channels open, positive and negative switch | 19 | |
5227595651 | Repolarized Membrane | State in which neurons are ready to fire again | 20 | |
5227595652 | Threshold | level must be reached to fire | 21 | |
5227595653 | Action Potential | brief electrical charge | 22 | |
5227595654 | All-or-none Response | impulse does not vary in strength, either it fires or it doesn't | 23 | |
5227595655 | serotonin | too little can lead to depression | 24 | |
5227595656 | Refractory Period | time in which neuron cannot fire. | 25 | |
5227595657 | Neurotransmitters | Ach, Seratonin, Norepinephrine, Dopamine, Endorphins, GABA, Glutamate, & Melatonin | 26 | |
5227595658 | Receptor Sites | where neurotransmitters attach | 27 | |
5227595659 | Reuptake | reabsorption of access neurotransmitters by the sending neuron | 28 | |
5227595660 | Antagonists vs Agonists | antagonists block reception, agonists mimic NT's | 29 | |
5227595661 | CNS | brain and spinal cord | 30 | |
5227595662 | PNS | nerves the connect body to brain | 31 | |
5227595663 | Autonomic | unconscious & involuntary | 32 | |
5227595664 | Somatic | conscious & voluntary | 33 | |
5227595665 | Sympathetic | Fight of Flight | 34 | |
5227595666 | Parasympathetic | Rest & Digest | 35 | |
5227595667 | Hormones | chemical messenges | 36 | |
5227595668 | Pituitary Gland | master gland | 37 | |
5227595669 | Thyroid Gland | metabolism | 38 | |
5227595670 | Adrenal Gland | metabolic processes | 39 | |
5227595671 | Reproductive Gland | vigor and sex drive | 40 | |
5227595672 | EEG | brain waves measured | 41 | |
5227595673 | CAT | 3D xray of brain structure | 42 | |
5227595674 | MRI | magnetic and radio waves for density and location | 43 | |
5227595675 | fMRI | links brain structure to activity | 44 | |
5227595676 | PET | radioactive glucose to track brain function. | 45 | |
5227595677 | Reticular Formation | nerve network in brain stem the helps control Arousal | 46 | |
5227595678 | Motor Cortex | rear of frontal lobe the controls voluntary movements | 47 | |
5227595679 | Sensory Cortex | area at front of parietal lobe the registers and processes body touch and movement sensations | 48 | |
5227595680 | Cerebral Cortex (Brain Map) | a wrinkly covering of brain 1/8 in thick. Bodies ultimate control and into processing center is made of many glial cells. | 49 | |
5227595681 | Parietal Lobe (Brain Map) | is the portion of cerebral cortex lying at the top of head and toward rear. It receives sensory input for the body positions. | 50 | |
5227595682 | Occipital Lobe (Brain Map) | portion of the cerebral cortex lying at the back of head. It included visual area which receives info from the opposite visual field | 51 | |
5227595683 | Cerebellum | little brain attached to rear of brain stem dealing with coordinating balance & movement, but also implicit, procedural long term memory. | 52 | |
5227595684 | Brainstem | Oldest part and central core of brain beginning where spinal cord swells and enters skull. Is responsible for automatic survival functions. | 53 | |
5227595685 | Medulla | at the base of the brain stem. Controls heartbeat and breathing | 54 | |
5227595686 | Pons | coordinate muscles movement. The cross-over point where most nerves to and from each brain side connect. | 55 | |
5227595687 | Amygdala | 2 lima beans sized neural clusters that are components of limbic system and linked to emotion (fear & aggression) | 56 | |
5227595688 | Hyptothalamus | lies below thalamus. It is a neural structure, directs maintenance activities (eating, drinking, sex drives, & body temp) Helps govern endocrine systems via pituitary gland. | 57 | |
5227595689 | Thalamus | brain's sensory switch board, located at top to brain stem. It directs messages to memory receiving ares in cortex and transmit replies to cerebellum and medulla. | 58 |