They found that, within the first three days of injury, fish in the concussion group were slower to find a school of fish with which they previously swam, a measure of
spatial memory which is impaired in other animal models of concussion and human patients.
Not exact matches
The participants in the study took a variety of tests,
which measured different aspects of their thinking abilities including
memory span and verbal and
spatial abilities.
«The comparison of the MRI images from the two mazes reveals
which brain regions were specifically contributing to the formation of
spatial memories,» says Svenja Brodt, a doctoral candidate at the Graduate Training Center of Neuroscience and lead author of the study.
According to Baddeley and Hitch's model, we store and alter
memories through a phonological loop,
which processes sound information, and through a visuospatial scratchpad,
which maintains and manipulates
spatial and visual information.
To test the birds»
spatial memory, he constructed a wall containing 60 identical rubber pockets the contents of
which were concealed with a white craft pom pom.
Within six hours of viewing this film, the period during
which memories are thought to be consolidated for long - term storage, test subjects were randomly assigned to one of three tasks: answering trivia; playing Tetris, a 1980s video game that involves optimizing visual -
spatial cues; or engaging in nothing in particular.
The bacteria may speed up learning because the Raphe nuclei stimulate a brain region called the hippocampus,
which handles
spatial memory, she says.
One explanation is that the plant sterol diet increased formation of reactive oxygen species in the hippocampus, whereas the Fortasyn diet,
which yielded the best results in the
spatial memory task, tended to have an opposite effect.
In addition, regions within the temporal and parietal cortex,
which support
memory and attention, as well as brain structures within the occipital lobe,
which process visual and
spatial information, were engaged.
To date, several other explanations of math disability have been suggested, such as deficits in
spatial short - term
memory,
which could cause difficulties keeping numbers in mind.
They then conducted
spatial memory tests in
which the mice needed to navigate a series of mazes.
Here, we examined the extent to
which performance in the Morris water maze — the most frequently used behavioral assay of
spatial learning and
memory in rodents — translates to humans.
Using a video game in
which people navigate through a virtual town delivering objects to specific locations, a team of neuroscientists from the University of Pennsylvania and Freiburg University has discovered how brain cells that encode
spatial information form «geotags» for specific
memories and are activated immediately before those
memories are recalled.
A key to the connection between smell,
memory and navigation is that olfactory bulbs have a strong neural link to the brain's hippocampus,
which creates
spatial maps of our environment.
We've worked hard to see how we could bridge the gap between the idea that the hippocampus is a purely
spatial memory in the rat to its broader function as an episodic
memory system in humans,
which is the
memory you have for something you did at a particular time and place.
Compared to aged vector controls, aged rats overexpressing FKBP1b showed dramatic enhancement of
spatial memory,
which correlated with marked reduction of sAHP magnitude.
The cognitive abilities that are tested for this diagnosis are complex attention, language, executive function (
which are skills that enable people to plan, organize, remember things, prioritize, or pay attention to tasks, for example), visuospatial function (the visual perception of
spatial relationships among objects),
memory, and social cognition.
When experiencing trauma, the hippocampus, responsible for
memories and
spatial mapping, and the thalamus,
which integrates the experience into our autobiographical self, shut down.
[15] One study has shown that consumption of dark chocolate improved performance on cognitive tests
which included the abstract reasoning test, the scanning and tracking test, the working
memory test, the visual -
spatial memory test, and the organization test.
Dwelling on the notion of
memory palaces — a mental
spatial visualization of familiar places — the narrator of the film introduces the viewer to a vision of monochromacy, a condition in
which only one type of cone cell is stimulated in colour vision.
Yabut defined «peridementia» as the period in
which the subject starts to have a mild version of the loss of intellectual capacity that is associated with dementia — i.e., impairment of attention, orientation,
memory, judgment, language, motor and
spatial skills, and function.