Unit 7. Assignment 2. The Effects of Selected Drugs and Diseases on the Central Nervous System. Alcohol’s use as an anesthetic is based on the effects it has on the brain‚ including relaxation and insensitivity to pain. Because the anesthetizing effects of alcohol are less predictable than the drugs available to modern-day anesthetists‚ alcohol is no longer used professionally to anesthetize patients. Some diseases related to alcohol are: liver disease‚ high blood pressure‚ muscle weakness‚ anemia
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How Can The Study Of Aftereffects Tell Us About How The Brain Processes Visual Information? The motion & tilt aftereffect (MTAE; Gibson & Radner‚ 1999) is a simple but intriguing visual phenomenon. After staring at a pattern of tilted lines or gratings‚ subsequent lines appear to have a slight tilt in the opposite direction. The effect resembles an afterimage from staring at a bright light‚ but it represents changes in orientation perception rather than in color or brightness. Most modem
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B6 - The Brain and Mind - 6 Mark Question Practice A. Neurones are specialised cells transmitting nerve impulses. There are two types of neurones; Sensory cells‚ which send impulses from the receptor to the central processing centre and the motor neurones‚ transmit impulses from the brain and spinal cord to the effector cell that will respond to the stimulus. Impulses flow along thin tubes of cytoplasm. In the sensory neurones‚ the cell body is located in the middle and two tubes
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New Senior Secondary Mastering Biology Suggested answers to Exercise and Reading to learn Chapter 16 p.1/3 Suggested answers to Exercise and Reading to learn (Note: The overseas examination boards bear no responsibility for the suggested answers contained in this publication. Answers for HKCEE and HKALE questions are not available due to copyright restrictions.) Ch 16 Exercise Coordination in humans Multiple-choice questions (p. 16-29) 1 4 A A 2 5 A C 3 6 D B Short questions
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Brain Function Table Component Definition Role in Learning and Development Neurons A neuron is a cell in the brain or another part of the nervous system that transmits information to other cells. Neuron cells are the information processing components of the brain responsible for receiving and transmitting information. Each part of the neuron plays a role in the communication of information throughout the body. Neurotransmitters A neurotransmitter is a chemical substance through which
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1.2: Using one or more examples‚ explain effects of neurotransmission on human behavior: Our nervous systems consist of between 10 to 100 billion neurons; each of which making 13 trillion connections with each other through electrochemical messages that allow people to respond to stimuli‚ from the environment or from internal changes in a person’s body. The neurons send these electrochemical messages through neurotransmission. Electrical impulses traveling down the axon (body) of a neuron‚ instigates
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1. Brainstem- It begins where the spinal cord swells after entering the skull. It regulates all automatic survival roles‚ such as breathing and heartbeats. 2. Thalamus- The thalamus is the uppermost part of the brainstem. It directs information to the sensory cortex and provides feedback to the cerebellum and medulla. 3. Medulla- The foundation of the brainstem. It manages heartbeat and breathing. 4. Reticular formation- The nerve region travelling through the brainstem and thalamus. The network
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Guillain-Barre syndrome (GBS) is an autoimmune disorder of rapid-onset muscle weakness as a result of damage to the peripheral nervous system. The peripheral nervous system is the portion of the nervous system that is outside the brain and spinal cord. Autoimmune means an illness that occurs when the body tissues are attacked by its own immune system. In this case they begin attacking nerve cells which communicate with muscles. They attack the myelin sheaths surrounding the axons of the nerve cells
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As I was waI stopped to take a breather as I was done finishing my last lap out of the 4 miles. I had called my mom to pick me up and ten minutes ago‚ but she was not here yet‚ I just assumed she was just running a little bit late. I can tell you standing outside in the flaming fiery sun‚ covered in sweat with no water bottle in hand is no fun. As I was waiting beads of sweat‚ thermoregulatory sweating‚ started appearing on my skin. The two types of sweating are eccrine glands‚ armpits‚ and apocrine
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Tinnitus referred as ears ringing‚ in humans‚ can be caused by a variety of factors; such as high-level sound exposure‚ ototoxic drugs‚ and hearing loss. It is basically the self perception of sound in the absence of acoustic stimulation. the sound waves hit the outer ear and converge into the ear drum. The vibrations at ear drum are transferred into the inner rear through the middle ear. Once the sound waves reach inner ear‚ they travel through the cochlea towards the organ of corti. Further the
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