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They used hippocampal occupancy (HOC) scores to estimate the degree of hippocampal shrinkage based on MRI scans, assess brain age, and predict future dementia risk. Normally, HOC decreases with ...
Hippocampal sclerosis is the most common brain abnormality in those with temporal lobe epilepsy. [16] Hippocampal sclerosis may occur in children under 2 years of age with 1 instance seen as early as 6 months. [17] About 70% of those evaluated for temporal lobe epilepsy surgery have hippocampal sclerosis.
The fornix is the conduit by which the neurotransmitter acetylcholine – which is crucial for memory encoding – is sent from the medial septum/Diagonal band of Broca to the hippocampus. [7] In addition, the GABA-producing neurons in the septal nuclei generate theta rhythms which are transmitted through the fornix to the hippocampus.
The hippocampus is located in the medial temporal lobe (subcortical), and is an infolding of the medial temporal cortex. [1] The hippocampus plays an important role in the transfer of information from short-term memory to long-term memory during encoding and retrieval stages. These stages do not need to occur successively, but are, as studies ...
The figure illustrates the percentile rank computation and shows how the 0.5 × F term in the formula ensures that the percentile rank reflects a percentage of scores less than the specified score. For example, for the 10 scores shown in the figure, 60% of them are below a score of 4 (five less than 4 and half of the two equal to 4) and 95% are ...
Hippocampus is a monthly peer-reviewed scientific journal established in 1991. It is published by John Wiley & Sons and covers the neurobiology of the hippocampal formation and related structures. The founding editors-in-chief were David Amaral and Menno Witter , who were succeeded in 1998 by Howard Eichenbaum ( Boston University ), [ 1 ] who ...
Raw scores for all scales of the BRIEF questionnaire can be computed with the Software Portfolio (BRIEF-SP). This computer program provides separate normative tables for both the Parent and Teacher Forms in which figure T scores, percentiles, and 90% confidence intervals for four developmental age groups (5–18 years) by gender of the child. T ...
Like stanines, individual sten scores are demarcated by half standard deviations. Thus, a sten score of 5 includes all standard scores from -.5 to zero and is centered at -0.25 and a sten score of 4 includes all standard scores from -1.0 to -0.5 and is centered at -0.75. A sten score of 1 includes all standard scores below -2.0.