Influence of gastrointestinal trichostrongylidosis on ram fertility.

A study on the influence of gastrointestinal trichostrongyles on ram fertility was performed. Two groups of semen donor rams (Sarda breed) were utilized; one was experimentally infected with Haemonchus contortus, Trichostrongylus colubriformis and Teladorsagia circumcincta and the other was used as a control group. In all animals, coprological, haematological and reproductive parameters were studied.

Verrucous scrotal carcinoma in a patient with hypospadias: is there a possible association?

We report a case of a locally advanced verrucous scrotal cancer in a patient with hypospadias. Surgical excision was performed and no recurrence was noted with 14 months of follow-up. To our knowledge, this association has not been reported.

Auditory-evoked responses influenced by presence or absence of EEG alpha activity and actual cognitive state.

The presence or absence of alpha activity in occipital EEG was detected automatically. Auditory-evoked responses (AERs) related to these two brain states and at the same time to different perceptual-cognitive situations (passive listening, discrimination between two tones and pressing the button accordingly similar discrimination without motor reaction) were analyzed and compared statistically. The main result was that during the alpha state (and not during the non-alpha state, when EEG was desynchronized), the amplitudes of N1, P1 waves and peak-to-peak amplitudes N1-P2 were higher during passive listening to stimuli in comparison with the active perceptual-cognitive states mentioned.

Perception of timing of movement-onset in a simple reaction time task.

Subjects judged verbally on temporal order between pressing a switch and a marking sound (MS) in a simple reaction time paradigm. They were uncertain when sound preceded movement by less than about 60 ms or followed it by less than 130 ms (transient zone--TZ). The point of subjective equality (defined by 0.