Clinical unit VI: Neurosensory Assessment Key Terms

Aphasia

Absent or impaired ability to communicate by speech,writing, or signs because of brain dysfunction.

Apraxia

inability to perform particular purposive actions, as a result of brain damage.

Astigmatism

a condition in which the eye does not focus properly because of uneven curvatures of the cornea

Cataract

clouding of the lens of the eye

Conjunctivitis

inflammation of the conjunctiva

Consciousness

our awareness of ourselves and our environment

consensual response

brisk, equal, and simultaneous constriction of both pupils when one eye then the other is stimulated with light

diplopia

the perception of two images of a single object; also known as double vision

Glasgow Coma Scale

Scale used to determine a PTs level of consciousness

Glaucoma

increased intraocular pressure results in damage to the retina and optic nerve with loss of vision

Hyperopia

farsightedness

Language

our spoken, written, or signed words and the ways we combine them to communicate meaning

Level of Consciousness (LOC)

A person's state of awareness, ranging from being fully alert to unconscious; also referred to as mental status.

miosis

abnormal contraction of the pupil

Myopia

nearsightedness

mydriasis

dilation of the pupil

Orientation

Awareness of the objective world in relation to the self

Paraplegia

paralysis from the waist down

Paraesthesia

an abnormal sensation, typically tingling or pricking ("pins and needles"), caused chiefly by pressure on or damage to peripheral nerves.

Presbyopia

impairment of vision as a result of old age

PERRLA

pupils equal, round, reactive to light and accommodation

Speech

Words spoken for communication

Stereognosis

ability to recognize objects by feeling their form, size, and weight while the eyes are closed

Visual acuity

the sharpness of visual discrimination

Whisper test

Test in which an examiner whispers a sentence and asks the patient to repeat it to evaluate loss of high-frequency sounds.