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chapter 11

Pharmacology

QuestionAnswer
limbic system Neutral pathway connecting different brain areas involved in regulation of behavior and emotion
Medulla Oblongata Lower part of the brainstem that controls cardiac, vasomotor, and respiration functions
Pons Part of the brainstem that serves as a relay station for nerve fibres travelling to the brain areas;also involved in sensory and motor function.
Reticular formation Network of nerve fibres that travel through the central nervous system that regulates the levels of wakefulness.
Thalamus Uppermost part of the diencephalon that regulates sensory and motor impulses travelling to and from the cerebral cortex.
Hypothalamus Part of the diencephalon that regulates functions such as body temperature, water balance, appetite, and the pituitary gland.
Electroencephalogram (EEG) A surface recording of the electrical brain
Cerebrum Largest and uppermost part of the brain that is divided into right and left cerebral hemispheres
Cerebral cortex Uppermost layers of the cerebrum involved in sensory perception, voluntary motor control, and all higher intellectual activities.
Cerebellum Part of the brain that coordinates body movements and positive and helps maintain body equilibrium
Basal Ganglia A group of cell bodies (gray matter) within the white matter of the cerebrum that helps body movements.
Basal Ganglia Coordinates and regulates muscular activity. Degeneration of this part of the brain is what causes Parking’s disease.
Cerebral Cortex where all conscious activities of the mind and intellectual are perceives. All sensory sensations are perceived here and all voluntary muscle movement of the body initiated from here.
Cerebrum Largest and uppermost part of brain. Controls highest intellectual abilities in human beings. Divided into right and left cerebral hemispheres
Cerebral 4main lobes Frontal lobe, Parietal lobe, Temporal lobe, Occipital lobe
Frontal Lobe Controls muscle movements, controls motor components of speech, controls abstracts thinking, controls problem solving activity
Parietal Lobe Sensory sensation of touch pressure. pain, temperature, and vibration
Temporal Lobe Hearing, learning, memory, language
Ocipital lobe vision
Cerebellum coordinates body movements. maintains posture. helps maintain body equilibrium
what happens to your cerebellum when you consume alcohol? Decreases body coordination and reaction time
pons involved in tactile sensory. motor function. regulates respiration. sleep. relay station nerve fibers
Limbic system Specific drug class can affect this system anti anxiety agents and some antidepresants drugs exert and sedative. inhibit effect on the limbic system. Remember this system when we talk about impulse control. Behavioural and emotional problems.
Medulla Oblongata Located just above the spinal cord. 3 vital centers- cardiac, vasomotor(blood pressure), respiration. Swallowing, coughing, vomiting, and gagging
Medulla Oblongata Overdose with drugs such as alcohol or barbitures affect the medulla oblongata can cause death or coma.
Thalamus Receives and evaluates almost all of the sensory nerve impulses from peripheral sensory receptors. Pain, touch, temperature, other sensory information
Hypothalamus controls many body functions. temperature, water balance, appetite, sleep, autonomic nervous system, central emotional or behaviour responses.
Reticular formation very important in connection with external stimulation. two types - excitatory, inhibitory
Reticular Formation This system is affected by many drugs, caffeine, and amphetamines. When excitatory fiber are stimulated by external activity, bright lights, or danger, brain is stimulated. Lack of external stimulation the inhibitory fiber become active decreasing the act
Limbic system collection of neurons and interconnecting nueral pathways. Emotional and behavioral responses associated with reward and punishment. Sexual, behavior, anger, rage, fear, anxiety
Limbic system Pleasure and reward center .smoking, drug abuse affect this system. This system is also affected by unpleasant sensation or feelings.
Created by: carmen26