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UCI: Brain Disorders Lecture 12 Terms
Memory Disorders
20
Psychology
Undergraduate 4
11/15/2010

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Term
Long Term Memory
Definition
Relatively permanent traces of experiences that happened more than 18-30 seconds ago. It's the "hard-drive" of human memory.
Term
Short Term (Working) Memory
Definition
Limited, active, transient traces of experiences that happened in the very recent past (no longer than a few seconds ago). It's the "RAM" of human memory.
Term
Declarative/Explicit Memory
Definition
Memory that can be consciously declared (facts)
Term
Semantic Memory
Definition
Factual Knowledge independent of time and place.
Term
Episodic Memory
Definition
Theoretical knowledge of a specific moment in time and place
Term
Procedural/Implicit memory
Definition
Memory for procedures, skills, and actions
Term
Amnesia
Definition
Memory Loss with inability to imagine the future, which can be caused by brain trauma, infection, surgery, or psychological factors.
Term
Anterograde Amnesia
Definition
Memory loss where new events are not stored in long term memory
Term
Retrograde amnesia
Definition
memory loss with the inability to recall some memory or memories of the past, beyond ordinary forgetfulness
Term
Transient Global Amnesia
Definition
Temporary memory Loss, generally for less than 24 hours
Term
Hippocampus
Definition
A "curly" structure in the medial temporal lobe, one on each side, which is very important in episodic memory and spatial navigation
Term
Long Term Potentiation
Definition
A 'coincidence detector' that changes neuron structure and is thought to underlie the formation of long term memories
Term
Amygdala
Definition
A structure located in the medial temporal love near the hippocampus that plays a key role in the emotions, such as fear and pleasure
Term
Dienchephalon
Definition
The curved portion of the brain that includes the thalamus and mamillary bodies and is part of the limbic system.
Term
Mamillary bodies
Definition
A pair of small round bodies, located on the undersurface of the brain, that form part of the limbic system.
Term
Korsakoff's syndrome
Definition
A syndrome characterized by abnormal eye moments, loss of coordination, tremors, confusion, confabulation apathy, and severe anterograde and some retrograde memory memory impairment. It usually caused by vitamin deficiency in alcoholism, or lesions to the thalamus and mamillary bodies.
Term
Baddeley and Hitch Model
Definition
A short-term/working memory model with three main components.
Term
Visuospatial Sketchpad
Definition
Part of the Baddeley and Hitch Model, this component stores the visuospatial information.
Term
The Phonological Loop
Definition
Part of the Baddeley and Hitch Model, this component stores the auditory information.
Term
The Central Executive
Definition
Part of the Baddely and Hitch Model, this component performs operations on things stored in the sketchpad or loop.
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