Term
|
Definition
| not halluciantions but normal visual experiences relating to emotional response, localized internally and accompanies thinking. |
|
|
Term
| Mental images stored 2 ways: |
|
Definition
1) analog code: images stored as a pictorial representation
2) propositional code: images stores as description representation and is not visual nor spatial but abstract and language-like. |
|
|
Term
|
Definition
| images of internal origin that seem real, visual and external as perception of an object |
|
|
Term
| Release Theory (of Hallucinations) |
|
Definition
in absence of sufficient external input the perceptual apparatus may generate its own output.
so hallucinations are a function of otherwise normal visual system that has been deprived of normal input. |
|
|
Term
| How does one get hallucinations? |
|
Definition
| any state of consciousness, schizophrenis and alcoholics get them. Normal people get them with sensory deprivation. |
|
|
Term
| Simple hallucinations and visual pathology |
|
Definition
unformed- splotches
some association with occipital lesions |
|
|
Term
| complex hallucinations and visual pathology |
|
Definition
"form" quality- contours
some association with temporo-parietal lesions |
|
|
Term
|
Definition
can result in:
decreased attention
hallucinations
aftereffects |
|
|
Term
|
Definition
statements of visual experience although patient is totally blind
associated with damage to occipital lobes extending into the parietal cortex |
|
|
Term
|
Definition
| complex hallucinations that occur in older individuals with severe visual impairment, subject knows the hallucinations are not real and coexists with them, hallucinations come and go and patient does not know why. |
|
|
Term
|
Definition
| tacit awareness of stimuli that cannot be identified because the visual info just doesn't go to the occipital cortex |
|
|
Term
|
Definition
inability to recognize familiar objects by sight
apperceptive: patient can notice small difference in color, luminance or motion but cannot report on stimulus as an object
associative: can give elaborate descriptions of an object but cannot name it |
|
|
Term
|
Definition
difficulty in recognizing faces
- damage to the right inferior medial temporo-occipital area of the brain |
|
|
Term
|
Definition
associated with bilateral damage to the parietal lobes.
patient cannot make accurate visually guided movement, cannot see more than one to two elements of a visual scene, and cannot explore the scene with the eyes or shift gaze from one location to another. |
|
|
Term
|
Definition
| defect or loss of power of expression by speech, writing/signs, or spoken/written language due to injur of brain centers. |
|
|
Term
Wernicke's Aphasia
(receptive aphasia) |
|
Definition
| inability to understand written, spoken or tactile speech symbols. |
|
|
Term
| Broca's aphasia (expressive aphasia) |
|
Definition
| impairment of ability to speak or write |
|
|
Term
|
Definition
| inability to carry out purposeful movements in absence of paralysis or other motor/sensory impairment |
|
|
Term
|
Definition
-manifest before 20 years
- frequent in females
- hereditary component
- facilitated by fatigue and diet |
|
|
Term
|
Definition
| transient visual sensation of bright shimmering colors |
|
|
Term
|
Definition
recall a visual experience with marked clearness, apparent realness and accuracy of detail
(photographic memory)
- counteracted by verbalization |
|
|
Term
|
Definition
| images from one sense are translated into images from another sense |
|
|
Term
|
Definition
-absolute
-legal
-cortical
-hemianopia
-blindsight
-agnosia
-prosopagnosia |
|
|
