DEVELOPMENT OF COGNITIVE ACTIVATION TASKS FOR FUNCTIONAL NEUROIMAGING
DEVELOPMENT OF COGNITIVE ACTIVATION TASKS FOR FUNCTIONAL NEUROIMAGING
批准号:
6162935
负责人:
T E GOLDBERG
金额:
$0.0万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
起止时间:
至
关键词:
brain imaging /visualization /scanning brain mapping brain metabolism cerebellum clinical research cognition frontal lobe /cortex functional magnetic resonance imaging human subject memory neural information processing neuropsychological tests positron emission tomography schizophrenia verbal behavior
中文摘要
我们开发了各种各样的任务来激活感兴趣的区域
英文摘要
We have developed a variety of tasks to activate regions of interest in
functional neuroimaging studies.
1. Using the n-back task we found a physiologic concomitant of capacity
limitation in short-term memory. Key voxels in prefrontal cortex showed
signal intensity plateaus or decreases with increasing load, not increases
as might have been predicted. We are now examining the effects of
pharmacological manipulation so in this system. First we are administering
the indirect dopamine agonist amphetamine in normal controls in an attempt
to increase capacity. Second we are using the NMDA antagonist ketamine to
model capacity limitations in normal controls.
2. We developed a carefully matched set of verbal fluency tasks to examine
the relation between semantic processing, thought disorder, and
neurophysiology in schizophrenia using PET CBF methods.
3. To examine the levels of processing account of episodic memory we
devised a series or recognition memory tasks. We also paid special
attention to the development of a control task that would not involve
active processing in the hope of better observing hippocampal activation.
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会议论文
CHARACTERIZATION OF NEUROPSYCHOLOGICAL IMPAIRMENT IN SCHIZOPHRENIA
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批准号:2578842
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
CHARACTERIZATION OF NEUROPSYCHOLOGICAL IMPAIRMENT IN SCHIZOPHRENIA
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批准号:6162936
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
CHARACTERIZATION OF NEUROPSYCHOLOGICAL IMPAIRMENT IN SCHIZOPHRENIA
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批准号:5203849
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
NEUROPSYCHOLOGICAL TESTING
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批准号:3845356
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项目类别:
-
资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
DEVELOPMENT OF COGNITIVE ACTIVATION TASKS FOR FUNCTIONAL NEUROIMAGING
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批准号:5203848
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
EFFECT ON AMPHETAMINE ON CEREBRAL BLOOD FLOW IN SCHIZOPHRENIA
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批准号:3759440
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
NEUROPSYCHOLOGICAL TESTING
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批准号:3860020
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
DEVELOPMENT OF COGNITIVE ACTIVATION TASKS FOR FUNCTIONAL NEUROIMAGING
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批准号:2578841
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
NEUROPSYCHOLOGICAL TESTING
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批准号:3781460
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:T E GOLDBERG
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依托单位:
海外基金