University:
MacEwan University
Course:
PSYC 258 | Cognitive Psychology
Academic year:

2024
Views:

286

Pages:

1
Author:

Arthur M.

TASTE (Gustation) → sensations evoked by dolutions m the mouth that contact the receptors on the tongue 4 root of mouth. physical stimules: chemical / fastant THE ORGAN a FILTERING *Taste buds - around lok m the numan moutn Le grouped in structures called papillae 4 send info to brain via cranial nerves ENCODING "Tabelled- Ime theory/ coding": individual nerve fibers carry mto about one stimulus type 7 - sucrose a other carbs → sweet - sodium a other chlorides → saity - acids → sour - toxic chemicals → bitter - other ammo acids ie. grutamate (UMANI) → Savory CENTRAL PATHWAM 1. signals trom taste cells travel along various cranial nerves. 2. These pathways first synapu in the spinal cord a thalamus. 3. fmally, they terminate m primary olfactary cortex a then project to orbitofrontal corter. TASTE THRESHOLDS: Most sensitive to bitter substances (might detect poison) & higher preference for sweet a sour preferences.