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UCI: Brain Disorders Lecture 7 Terms
Perceptual Disorders Part III
16
Psychology
Undergraduate 4
12/08/2010

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Term
Epidermis
Definition
The outermost layer of the skin, composed mostly of dead cells
Term
Dermis
Definition
The middle layer of the skin, which contains the nerves and blood vessels
Term
Subcutaneous Tissue
Definition
The deepest layer of the skin, made up of vessels, fat, and connective tissue
Term
Thalamus
Definition
The sensory relay station int he brain (located subcortically) for all sense except olfactory.
Term
Primary Somatosensory Cortex (S1)
Definition
A strip of cortex just posterior to the central sulcus, where the primary control of sensation occurs
Term
Primary Motor Cortex (M1)
Definition
A strip of of cortex just anterior to the central sulcus, where the primary control of motor movements occurs
Term
Phantom Limb Syndrome
Definition
A disorder characterized by having sensations (usually pain) in a limb that is no longer attached to the body.
Term
Cotard Syndrome
Definition
The delusional belief that one is dead, does not exist, is putrefying or has lost his/her blood or internal organs
Term
Olfactory Epithelium
Definition
A sheet of cells lining part of the nasal passages that contains olfactory receptors
Term
Olfactory Bulb
Definition
Located on the ventral surface of the brain, it is the first part of the central nervous system in olfaction
Term
Anosmia
Definition
Lack of the ability to smell
Term
Hyposmia
Definition
Decreased ability to smell
Term
Phantosmia
Definition
"Hallucinated smell", often unpleasant
Term
Dysosmia
Definition
Things smell differently than they should
Term
Hypersomia
Definition
An abnormally acute sense of smell
Term
Ageusia
Definition
Loss of taste functions of the tongue, particularly the inability to detect sweetness, sourness, bitterness, saltiness, and umami.
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