Neuroscience perceptual disorders

Visual Agnosia

Inability to recognize visual objects

Prosopagnosia

Inability to recognize faces

Simultanagnosia

Inability to perceive more than one visual object at a time

Metamorphopsia

Distorted vision

Color agnosia

Inability to recognize color

Color anomia

Inability to name colors

Tactile agnosia/ Astereognosis

Inability to recognize object by touch

Ahylognosia

Inability to identify materials by touch

2 point discrimination

inability to sense when 2 points are touching you

Agraphesthesia

Inability to recognize letters or numbers

Double simultaneous extinction

Inability to feel 2 points of contacts on opposite sides of body

Abarognosis

Inability to determine the weight of something

Atopogensia

Inability to identify location of touch

Finger agnosia

not able to identify which finger is being touched

Unilateral neglect

A lack of awareness to stimuli on one side of the body

Anosognsia

unaware of their own deficits or disabilities

Extinction of simultaneous stimulation

Fail to detect a stimulus on one side of the body when presented simultaneously with another stimulus on the opposite side

Receptive aphasia

Can say words and sentences but don’t make sense

Expressive aphasia

Partial loss of the ability to produce language but comprehension remains intact

Alexia/ dyslexia

Not able to read

Asymbolia

Inability to understand or interpret the significance of symbols

Aprosodia

Inability to properly convey or interpret emotional prosody

Anomia

Difficulty in spontaneously finding words during conversation or naming tasks

Agrammatism

Difficulty using basic grammar and syntax

Agraphia

An impairment or loss of ability to write

Acalculia

Inability to process numbers and perform calculations

Ideational apraxia

Inability to know what motor plan to access

Ideomotor apraxia 1

Inability to access correct motor plan

Ideomotor apraxia 2

Inability to execute the motor plan