Brain & Behavior - Test 1 - Tulane University Questions With Complete Solutions.

acetylcholine - cholinergic, contains nicotinic and muscarinic action potential process - stimulus arrives to a neuron at resting membrane potential, depolarization or hyperpolarization occurs, if depolarization and reaches threshold then gated sodium channels open and influx of Na+, leads to hyper polarization, Ka+ gated channels open, depolarization and then back to resting membrane potential agonist - a molecule that increases a neurotransmitter's action amygdala - emotion regulation antagonist - inhibits response from NT arachnoid mater - weblike middle layer Astrocytes - Provide structural and metabolic support for neurons. autonomic nervous system - connect to internal organs Basal ganglia - structures in the forebrain that help to control movement Bipolar Neuron - sensory system, one dendrite one axon Blood Brain Barrier (BBB) - a selective mechanism in the capillary membranes that protects the brain from toxins and infectionsBrainstem - collection of midbrain, pons and medulla Calcium ions - used in exocytosis and release of NT Catecholamines - derive from tyrosine central sulcus - divides frontal and parietal lobes cerebellum - motor coordination Cerebral cortex - outer covering of the cerebral hemispheres choroid plexus - membrane that lines the lateral ventricle and produces CSF through filtration of blood CNS - spinal cord and brain coronal plane - front and back corpus callosum - connects both hemishperes