<|begin_of_text|><|start_header_id|>system<|end_header_id|>You are an expert on climate change, human mobility and migration. Answer the question truthfully.<|eot_id|><|start_header_id|>user<|end_header_id|>Here are the title and abstract of a scientific paper probably related to climate change, human mobility and migration..
Title:"Quantitative assessment of new cell proliferation in the dentate gyrus and learning after isoflurane or propofol anesthesia in young and aged rats."
Abstract:"There is a growing body of evidence showing that a statistically significant number of people experience long-term changes in cognition after anesthesia. We hypothesize that this cognitive impairment may result from an anesthetic-induced alteration of postnatal hippocampal cell proliferation. To test this hypothesis, we investigated the effects of isoflurane and propofol on new cell proliferation and cognition of young (4 month-old) and aged (21 month-old). All rats were injected intraperitoneally (IP) with 50 mg/kg of 5-bromo-2-deoxyuridine (BrdU) immediately after anesthesia. A novel appetitive olfactory learning test was used to assess learning and memory two days after anesthesia. One week after anesthesia, rats were euthanized and the brains analyzed for new cell proliferation in the dentate gyrus, and proliferation and migration of newly formed cells in the subventricular zone to the olfactory bulb. We found that exposure to either isoflurane (p = 0.017) or propofol (p = 0.006) decreased hippocampal cell proliferation in young, but not in aged rats. This anesthetic-induced decrease was specific to new cell proliferation in the hippocampus, as new cell proliferation and migration to the olfactory bulb was unaffected. Isoflurane anesthesia produced learning impairment in aged rats (p = 0.044), but not in young rats. Conversely, propofol anesthesia resulted in learning impairment in young (p = 0.01), but not in aged rats. These results indicate that isoflurane and propofol anesthesia affect postnatal hippocampal cell proliferation and learning in an age dependent manner. (C) 2011 Elsevier B.V. All rights reserved.."
I have six questions you need to answer.
Q1: Is this article is about 'human migration mobility': 1 = yes; 0 = no. Answer with a number. Do not give a textual explanation.

Q2: What drivers of migration and mobility does the article study? 0 = 'other', 1 = 'climate', 2 = 'environment', 3 = 'economic', 4 = 'conflict', 5 = 'political', 6 = 'social', 7 = 'family'. Answer with a number or a sequence of numbers separated by commas. Do not give a textual explanation. 

Q3: What is the overall sentiment of the article?:0 = 'neutral', 1 = 'negative', 2 = 'positive'. Answer with a number. Do not give a textual explanation.

Q4: What type of climate or environmental keywords are explicitly mentioned?:  0 = 'none', 1 = 'algal blooms', 2 = 'infestation', 3 = 'infectious diseases', 4 = 'ocean acidification', 5 = 'sea ice', 6 = 'acid rain', 7 = 'drought', 8 = 'cold wave', 9 = 'heat wave', 10 = 'glacial', 11 = 'wildfire', 12 = 'air pollution', 13 = 'biodiversity loss', 14 = 'coastal erosion', 15 = 'land degradation', 16 = 'deforestation', 17 = 'desertification', 18 = 'water pollution', 19 = 'diebacks', 20 = 'permafrost loss', 21 = 'sand mining', 22 = 'sea level rise', 23 = 'earthquake', 24 = 'tsunami', 25 = 'volcanic', 26 = 'flood', 27 = 'avalanche', 28 = 'landslide', 29 = 'downburst', 30 = 'thunderstorm', 31 = 'sandstorm', 32 = 'haze', 33 = 'storm', 34 = 'cyclone', 35 = 'blizzard', 36 = 'hail', 37 = 'snow', 38 = 'tornado', 39 = 'wind', 40 = 'hurricane', 41 = 'typhoon', 42 = 'other'. Answer with a number or a sequence of numbers separated by commas. Do not give a textual explanation. 

Q5: What discipline does the article belong to?: 0 = 'other', 1 = 'social science', 2 = 'natural science', 3 = 'arts and humanities', 4 = 'multidiscipline and interdiscipline'. Answer with a number. Do not give a textual explanation.

Q6: Does the article apply quantitative and/or statistical analysis?: 0 = 'no', 1 = 'yes'. Answer with a number. Do not give a textual explanation.

Use the following template: 

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Q6 = [].<|eot_id|><|start_header_id|>assistant<|end_header_id|>Answer:
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Quantitative assessment of new cell proliferation in the dentate gyrus and learning after isoflurane or propofol anesthesia in young and aged rats
There is a growing body of evidence showing that a statistically significant number of people experience long-term changes in cognition after anesthesia. We hypothesize that this cognitive impairment may result from an anesthetic-induced alteration of postnatal hippocampal cell proliferation. To test this hypothesis, we investigated the effects of isoflurane and propofol on new cell proliferation and cognition of young (4 month-old) and aged (21 month-old). All rats were injected intraperitoneally (IP) with 50 mg/kg of 5-bromo-2-deoxyuridine (BrdU) immediately after anesthesia. A novel appetitive olfactory learning test was used to assess learning and memory two days after anesthesia. One week after anesthesia, rats were euthanized and the brains analyzed for new cell proliferation in the dentate gyrus, and proliferation and migration of newly formed cells in the subventricular zone to the olfactory bulb. We found that exposure to either isoflurane (p = 0.017) or propofol (p = 0.006) decreased hippocampal cell proliferation in young, but not in aged rats. This anesthetic-induced decrease was specific to new cell proliferation in the hippocampus, as new cell proliferation and migration to the olfactory bulb was unaffected. Isoflurane anesthesia produced learning impairment in aged rats (p = 0.044), but not in young rats. Conversely, propofol anesthesia resulted in learning impairment in young (p = 0.01), but not in aged rats. These results indicate that isoflurane and propofol anesthesia affect postnatal hippocampal cell proliferation and learning in an age dependent manner. (C) 2011 Elsevier B.V. All rights reserved.