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is similar to implicit memory and is affective
e.g. feeling of a particular experience
bilateral medial temporal lobe resection lead to realization....
seperation of implicit and explicit memory
transient global amnesia
loss of old memories and an inability to form new memories. onset is sudden and often a short course
transient disturbance of consciousness in which a person performs purposeful acts but has no conscious recollection of those actions
time-dependent retrograde amnesia
amnesia for which the severity of the injury determines how far back in time the amnesia extends. amnesia gets worse- memory expanding for long periods of time to eventually lasting a few seconds to a minute
states that the role of the hippocampus is to consolidate memories, a process to make them permanent
patients with semantic dementia have...
problems with semantic memory (e.g. picture or object naming) without loss of episodic memory
what is semantic dementia associated with
degeneration to anterior temporal lobes or to lesion/ resection of uncinate fasciculus
fiber pathway that connects to anterior temporal cortex with the inferior and orbital frontal cortex
symptoms of nystagmus, ataxia, confabulation and amnesia
damage to- the medial and anterior thalamic nuclei, mammilary bodies, midbrain nuclei and cerebellar vermis
post mortem brain of Alzheimer's Disease
1. extracellular AB plaques
2. intracellular neurofibrillary tangles
3. inflammation (marker of tissue damage)
why do amyloid plaques accumulate in brain?
1. increased production of amyloid B peptides
2. impaired elimiation of peptides
memory that reenters a labile phase when recalled and is then restored as a new memory
postulates both multiple kinds of amnesia and changes in memory with the passage of time
experimental technique by which a stimulus is used to sensitize the nervous system to a later presentation of the same or a similar stimulus
improvement in subsequent recall of an object about which a person has given thought to its meaning or shape
study-test modality shift
process by which subjects, when presented with information in one modality and tested in another modality, display poorer performance than when they are instructed and tested in the same modality
large anatomical pathway connecting the entorhinal cortex and subiculum with the hippocampal formation
hereditary disease characterized by chorea (jerky, involuntary movements) and progressive dementia, ending in death
degeneration of the basal ganglia
form of learning in which a noxious stimulus is used to elicit fear, an emotional response
a.k.a working memory; form of memory postulated by Donald Broadbent in which information is assumed to be stored for no more than about 15 minutes
disorder in which a person has relatively good verbal communication but unusual difficulty with social communication. sometimes called high-functioning autism
ability to perceive a stimulus of one sense as a sensation of a different sense, as when sound produces sensation of color
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