ARTICULATORY DYSPRAXIAS
\ɑːtˌɪkjʊlˈe͡ɪtəɹˌi dɪspɹˈe͡ɪksi͡əz], \ɑːtˌɪkjʊlˈeɪtəɹˌi dɪspɹˈeɪksiəz], \ɑː_t_ˌɪ_k_j_ʊ_l_ˈeɪ_t_ə_ɹ_ˌi d_ɪ_s_p_ɹ_ˈeɪ_k_s_iə_z]\
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A group of cognitive disorders characterized by the inability to perform previously learned skills that cannot be attributed to deficits of motor or sensory function. The two major subtypes of this condition are ideomotor (see APRAXIA, IDEOMOTOR) and ideational apraxia, which refers to loss of the ability to mentally formulate the processes involved with performing an action. For example, dressing apraxia may result from an inability to mentally formulate the act of placing clothes on the body. Apraxias are generally associated with lesions of the dominant PARIETAL LOBE and supramarginal gyrus. (From Adams et al., Principles of Neurology, 6th ed, pp56-7)
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Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.