نتایج جستجو برای: mental map
تعداد نتایج: 450197 فیلتر نتایج به سال:
INTRODUCTION Long-term confinement and microgravity may entail alteration in the regulation of the cardiovascular system. A 105-d pilot study of a Mars mission simulation was conducted to test the cardiovascular response to slow-paced breathing and mental stress. METHODS Finger blood pressure and beat-to-beat heart rate were monitored in six male volunteers taking part in a 105-d Mars mission...
This paper presents our Context-aware Mobile Assistant Project (C-MAP). C-MAP is an attempt to build a personal mobile assistant that provides visitors touring exhibitions with information based on their locations and individual interests. We have prototyped the first version of the mobile assistant and used an open house exhibition held by our research laboratory as a testbed. The mobile assis...
The paper reports on the behaviour of a Kohonen map of the mental lexicon, monitored through different phases of acquisition of the Italian verb system. Reported experiments appear to consistently reproduce emergent global ordering constraints on memory traces of inflected verb forms, developed through principles of local interactions between parallel processing neurons.
Most theories of navigation rely on the concept of a mental map and compass. Hippocampal place cells are neurons thought to be important for representing the mental map; these neurons become active when the animal traverses a specific location in the environment (the "place field"). Head-direction cells are found outside the hippocampus, and encode the animal's head orientation, thus implementi...
ZHANG, TAO. Using Measures of Situation Awareness to Characterize Mental Models in Inductive Reasoning Tasks. (Under the direction of Dr. David B. Kaber.) Mental models have been proposed in both the cognitive psychology and human factors literature. However, they have been applied for a variety of related but distinct representations. For system design and user training in practical applicatio...
An audio platform game was created and evaluated in order to answer the question of whether or not an audio game could be designed that effectively conveys the spatial information necessary for persons with visual impairments to successfully navigate the game levels and respond to audio cues in time to avoid obstacles. The game used several types of audio cues (sounds and speech) to convey the ...
We measured normalized regional cerebral blood flow (NrCBF) using positron emission tomography (PET) and oxygen-15-labeled water in eight young right-handed healthy volunteers selected as high-imagers. during 2 runs of 3 different conditions: 1, rest in total darkness 2; visual exploration of a map 3; mental exploration of the same map in total darkness. NrCBF images were aligned with individua...
X-linked mental retardation is a very common condition that affects approximately 1 in 600 males. Despite recent progress, in most cases the molecular defects underlying this disorder remain unknown. Recently, a study using the candidate gene approach demonstrated the presence of mutations in PAK3 (p21-activating kinase) associated with nonspecific mental retardation. PAK3 is a member of the la...
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