Conditioned fear and startle magnitude: effects of different footshock or backshock intensities used in training.

M Davis, DI Astrachan - Journal of Experimental Psychology …, 1978 - psycnet.apa.org
Conducted 3 experiments, using a total of 176 male albino Sprague-Dawley rats. In Exp I, 4
groups of Ss received 30 light-shock pairings using footshock intensities of either. 2,. 4,. 8, or …

Prolonged intubation vs. tracheotomy: Complications, practical and psychological considerations

DI Astrachan, JC Kirchner, WJ Goodwin Jr - The Laryngoscope, 1988 - Wiley Online Library
The charts of 52 adult patients who underwent tracheotomy (49 after intubation) were
reviewed to identify early complications of both endotracheal intubation and tracheotomy. The …

Le Fort I osteotomy approach to the skull base

CT Sasaki, RA Lowlicht, DI Astrachan… - The …, 1990 - Wiley Online Library
Horizontal osteotomy allows the surgeon to safely down‐fracture the maxilla for wide
exposure of the central skull base. This surgical approach is easily extended posteriorly in the …

Videoendoscopic diagnosis and correction of velopharyngeal stress incompetence in a bassoonist

NA Gordon, D Astrachan… - Annals of Otology …, 1994 - journals.sagepub.com
D) Postoperative view of nasopharynx while patient is playing bassoon without leak of air. …
symptoms of stress VPI (Fig 2C,D). The patient has successfully resumed her musical career. …

Stomal complications and airflow line problems of the communi‐trach I® cuffed talking tracheotomy tube

SB Leder, DI Astrachan - The Laryngoscope, 1989 - Wiley Online Library
There have been no reports of stomal complications and airflow line problems associated
with a cuffed talking tracheotomy tube. However, the results of this study showed that stomal …

Spinal modulation of acoustic startle: Opposite effects of clonidine and d-amphetamine

M Davis, DI Astrachan - Psychopharmacology, 1981 - Springer
Direct infusion of d-amphetamine (25–400 μg) or phenylephrine (12.5–50 μg) onto the spinal
cord (intrathecal administration) increased acoustic startle amplitude. These effects were …

Spinal modulation of the acoustic startle response: The role of norepinephrine, serotonin, and dopamine.

DI Astrachan, M Davis - Brain Research, 1981 - psycnet.apa.org
Studied 140 male albino Sprague-Dawley rats to test the effects of intrathecal administration
of serotonin (5-hydroxytryptamine, 5-HT), norepinephrine (NE), dopamine (DA), and their …

5-Methoxy-N, N-dimethyltryptamine: spinal cord and brainstem mediation of excitatory effects on acoustic startle

M Davis, DI Astrachan, PM Gendelman… - …, 1980 - Springer
… startle and that this effect can be prevented by pretreatment with the 5-HT synthesis inhibitor
p-chlorophenylalanine or blocked by various 5-HT antagonists (Davis and Astrachan, in …

Behavior and binding: correlations between α1-adrenergic stimulation of acoustic startle and α1-adrenoceptor occupancy and number in rat lumbar spinal cord

DI Astrachan, M Davis, DW Gallager - Brain Research, 1983 - Elsevier
… startle following intrathecal administration of D-amphetamine or saline. Testing in… #g D-amphetamine
dissolved in 10/~1 of sterile saline followed by 8/~1 of sterile saline to flush the D-…

The role of spinal cord cyclic AMP in the acoustic startle response in rats

JH Kehne, DI Astrachan, E Astrachan… - Journal of …, 1986 - Soc Neuroscience
… Following surgery, rats were housed individually and allowed to recover for at least 4 d
before beginning behavioral testing. Methods for design and implantation of …