Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 49.4, Problem 2CC
Individuals with localized brain damage have been very useful in the study of many brain functions. Why is this unlikely to be true for consciousness?
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Individuals with localized brain damage have been veryuseful in the study of many brain functions. Why is thisunlikely to be true for consciousness?
Epilepsy is a neurological disorder that disrupts neural activities and causes recurrent seizures. About 70% of people with epilepsy can be treated with medication to prevent seizures from occurring. If medication does not work, surgery is an option for some patients. One of the procedures involves cutting the brain so that the seizures cannot be spread to other parts of the brain.
A common goal of the surgical procedure to treat epileptic seizures is to reduce the connection between the two hemispheres of the brain. By cutting through this structure, an epileptic seizure occurring on one side of the brain will not be spread to the other side.
Identify the structure that connects the two hemispheres of the brain.
damage to the brain will always have lasting effects, but the timing of the damage is important. At what times of life is brain damage more or less likely to have significant long-term effects? Describe some of the ways in which the brain can recover function following brain damage.
Chapter 49 Solutions
Campbell Biology
Ch. 49.1 - Which division of the autonomic nervous system...Ch. 49.1 - Prob. 2CCCh. 49.1 - Prob. 3CCCh. 49.2 - When you wave your right hand, what part of your...Ch. 49.2 - People who are inebriated have difficulty touching...Ch. 49.2 - Prob. 3CCCh. 49.3 - How can studying individuals with damage to a...Ch. 49.3 - Prob. 2CCCh. 49.3 - Prob. 3CCCh. 49.4 - How can studying individuals with damage to a...
Ch. 49.4 - Individuals with localized brain damage have been...Ch. 49.4 - WHAT IF? Suppose that a person with damage to the...Ch. 49.5 - Prob. 1CCCh. 49.5 - Prob. 2CCCh. 49.5 - WHAT IF? If you could detect early-stage...Ch. 49 - How does the circuitry of a reflex facilitate a...Ch. 49 - What roles do the midbrain, cerebellum, thalamus,...Ch. 49 - A patient has trouble with language and has...Ch. 49 - Prob. 49.4CRCh. 49 - Prob. 49.5CRCh. 49 - Activation of the parasympathetic branch of the...Ch. 49 - Prob. 2TYUCh. 49 - Patients with damage to Wernickes area have...Ch. 49 - Prob. 4TYUCh. 49 - After suffering a stroke, a patient can see...Ch. 49 - Injury localized to the hypothalamus would most...Ch. 49 - Prob. 7TYUCh. 49 - Prob. 8TYUCh. 49 - SCIENTIFIC INQUIRY Consider an individual who had...Ch. 49 - Prob. 10TYUCh. 49 - WRITE ABOUT A THEME: INFORMATION In a short essay...Ch. 49 - SYNTHESIZE YOUR KNOWLEDGE Imagine you are standing...
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- Briefly describe a neural mechanism that determines the states of consciousness.arrow_forwardAfter a severe traumatic event that causes loss of consciousness, retrograde amnesia frequently is found once the person regains consciousness. What is retrograde amnesia, and how much time does it typically cover in this situation? What neural mechanism or process explains the loss of memory?arrow_forwardPeople who have been diagnosed with schizophrenia have been found to have differences in brain structure compared to those who do not have a schizophrenia diagnosis. These differences include which of the following? Smaller ventricles Increased grey matter in cortical areas Hyperfrontality Disorganized cell orientationarrow_forward
- Some common symptoms of MS are vision problems, dizziness and vertigo, and difficulty walking. How are these symptoms a result of the effect on neural transmission you described above? List which brain regions are likely impacted in each of the three symptoms described above.arrow_forwardEpilepsy Epilepsy is a neurological disorder that disrupts neural activities and causes recurrent seizures. About 70% of people with epilepsy can be treated with medication to prevent seizures from occurring. If medication does not work, surgery is an option for some patients. One of the procedures involves cutting the brain so that the seizures cannot be spread to other parts of the brain. An individual was suffering from violent headaches and blurred vision for several years. A doctor determined that this individual had a tumour on the anterior pituitary. Explain why this person was experiencing blurred vision.arrow_forwardWhich of the following is NOT a symptom commonly shared between Alzheimer’s dementia and Lewy body dementia? a-Hallucination b-Decline in the ability to perform routine tasks c-Loss of language skills d-Gradual memory lossarrow_forward
- Where is consciousness located in the brain? (Or what are the neurobiological correlates of conscious states (NCC)?) Are there neurons devoted to consciousness?arrow_forwardIn the domains of Schizophrenia, what is the type of hallucinations takes place in the movie of A Beautiful mind (2001)? Please specify two to three TYPE hallucinations.What part in the movie did you observe this manifestation? PLEASE describe in what scene did you see the hallucinations part.TYPES OF HALLUCINATIONS- Auditory,- Visual- Tactile,- Gustatory,- Olfactory- Please specify two to three TYPE OF HALLUCINATIONarrow_forwardIf a patient with brain damage seems to have issues with planning, impaired language skills, and controlling their emotions, which of the following structures of the brain is most likely damaged? cerebellum cerebrum hypothalamus thalamus medullaarrow_forward
- In what ways has altering specific parts of the brain through damage or treatment resulted in specific conditions or changes in behavior?arrow_forwardHow does the search for the neural correlates of consciousness bypass the hard problem?arrow_forwardExplain the significance of the brain barrier system.arrow_forward
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