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Biology of the Brain

Topics on the Brain

QuestionAnswer
The IPSP(inhibitory post-synaptic potential) of the somatic sensory system causes what? Post-synaptic neuron less likely to generate action potential
Term for Nearsightedness Myopia
Term for Farsightedness hyperopia
Lens need for Nearsightedness concave- narrow in the middle wide on the side
Lens needed for Farsightedness convex- curves outward in the shape of a sphere
Critical thinking, logic, language, Analytical process, movement and detail are functions of... The left side of the brain
Creative thinking, spatial relations, emotions and memory are functions of... The Right Side of the Brain
The part of the eye responsible for manipulating amount of light entering the retinal The pupil
The Cerebellum controls coordination of voluntary movement
Schwann cells... insulate axons in the peripheral system and keep them alive variation of glial cells
Sympathetic Nervous System mobilizes flight-or-fight controls pupil dilation,increase heart rate,lungs,kidneys,penis and digestive system controls things that are typically not controlled consciously
What changes membrane potential? Change in concentration inside and outside a cell Add electrical current to a membrane Change membrane permeability
Dorsal Stream Responsible for perception(location) of the visual world and recognition of objects
Ventral Stream involved with recognition of objects
The effects of a nerve cell charge depolarizes cell membrane stimulates opening on Na channels Allows Na to flow into cell and makes cell positive
Cones are responsible for... color
What is involved in focusing on the position of sound? inferior colliculus
Which receptor sends signals of pressure on skin,joints etc? Mechanoreceptors
What receptor is responsible to for pain? Nociceptors
What receptor has the ability to sense where we are in space? Proprioreceptors
The receptor responsible for sensing temperature Thermoreceptor
The receptor responsible for taste,smell,skin,acid? Chemoreceptors
When something is afferent its... entering the brain and nervous system
When something is efferent its... exciting the nervous system and brain
Glial Cells are non neuronal cells of the nervous system
Glial cells include... Schwann cells which insulate axons Oligodendrocytes which insulates axons but in nervous system Microglia-Phagocytic cells( eats dead cells) Astrocytes- supports nutrients of a nerve and makes them more active and reactive Ependymal produces CSF(cebral spinal fluid) in ventricles
Node of Ranvier Space between Myelin Sheath
What happens a nerve cell is positively charged? depolarizes cell membrane Stimulates opening of Na channels making cell even more positive
Chemical synapses are slower and more complex True
Chemical synapses are slower and more complex True
electrical synapses are faster and less complex true
chemical synapses transfer less information and transfer information through electrical synapses false
Basic Taste bitternes sourness saltiness sweetness umami
after a certain temperature, thermoreceptor doesnt register it as temperature but as pain true
Pituitary Gland produces hormones
oligodendrites insulate axons in the central nervous system
During muscle contraction what goes undergoes a conformational change? Troponin Mysolin head
What also controls flight-or-fight besides parasympathetic and sympathetic system? autonomic nervous system
Parts of the body that responses to flight-or-fight? urination/defication pupils respiration heart
endorphins small molecules that act by binding to opiod receptors which is peptide
Hyperaglesia is a hypersensitive area
Autonomomic Nervous System Responsible for the parasympathetic and sympathetic nervous system also known as the involuntary nervous system
Motor neurons of the ANS are located... in ganglia of the PNS
Parts of the Somatic Nervous System Spinal Nerves: Peripheral nerves that carry sensory information into the spinal cord and motor commands Cranial Nerves: Nerve fibers that carry info into and out of the brain stem includes smell,vision,eyes,mouth,vision,taste,shoulders,tongue Association Nerves:intergrate sensory input and motor output numbering thousands
Dorsal Stream pertains to... Analysis of visual motion and the visual control of action
Parasympathetic Nervous System responsible for regulation of internal organs and glands stimulation of rest-and-digest as well as flight-or-fight response control sexual arousal,salivation,lacrimination(tears) urination,digestion and defecation.
Cones are responsible for... color
rods are responsible for light
Created by: ladiievii
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