The efficiency of information transmission of sign and spoken language.

Rhe study compares sign and oral language in terms of information transmission efficiency. The sample consisted of 36 hearing people with no knowledge of sign language and 36 deaf people reasonably fluent in sign language. (The deaf participants' level of hearing loss ranged from severe to profound.

[Usefulness of brain SPECT with HMPAO-99mTc and psychological tests for diagnosis of neurological involvement in Behçet's disease].

Background: The purpose of this study was to establish the usefulness of single photon emission computed tomography (SPECT) and psychological tests for diagnostic of neuro-Behçet (NB) and to evaluate the clinical significance of neurological symptoms that are difficult to interpret and asymptomatic abnormalities in diagnostic tests.

Patients And Method: Forty patients with Behçet's disease (BD) were enrrolled for being studied with magnetic resonance imaging (MRI), SPECT and psychological tests.

Results: MRI findings were abnormal in 52,9% of patients with neurological involvement and 23.