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The receptive field of a P cell is than the receptive field of an ipRGC.
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B. Smaller
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- A neuron with an off-center receptive field will increase its firing rate when light covers the entire receptive field light fills the center portion of the receptive field O light is outside of the receptive field O light enters the surround portion of the recentive fieldWhat is the shape of a receptive field of a ganglion cell?A. Either a bar or an edge, in a fixed positionB. Either a bar or an edge, anywhere within a large area of the retinaC. Either a bar or an edge, with a strong inhibitory field at one endD. A circle, with a surround that responds in the opposite wayThe discharge rate of an off-center ganglion cell: is not an absolute measure of light intensity does not depend on the background level of illumination O is highest when receptive field is in complete darkness O is the same for center-only and center-plus-surround illumination Which of the following terms are most suitably matched? Pitch, waveform Loudness, amplitude Frequency, pressure Tonotopy, phase
- Which ratio between primary neuron and secondary neuron would allow for the greatest receptive field sensitivityReceptor A has a circular receptive field on the skin with a diameter of 2.5 cm. Receptor B has a circular receptive field 7.0 cm in diameter. Which receptor provides more precise sensory information?The best characterization of receptive fields in retinal ganglion cells that respond best to light-dark contrast is that for a cell that responds to light it has no response to light in its center on field for a cell that responds to light it has a strong response to light in the surround field for a cell that responds to light it has a strong response to light in its center on field for a cell that responds to light it has a weak response to light in its center on field
- What is the shape of a receptive field of a simple cell in the primary visual cortex?A. Either a bar or an edge, in a fixed positionB. Either a bar or an edge, anywhere within a large area of the retinaC. Either a bar or an edge, with a strong inhibitory field at one endD. A circle, with a surround that responds in the opposite wayPhotoreceptors in the retina have special channels that are open to Na+ in the dark. When light hits photoreceptors, these special channels close. What can you cònclude from this? None of the above O Photoreceptors hyperpolarize to light Photoreceptors depolarize to light Photoreceptor voltage does not change in the presence of lightIf you present a stimulus that is within a neuron's receptive field, what will happen? The neuron will increase its firing rate The neuron will decrease its fıring rate The neuron may increase or decrease its firing rate depending on the stimulus The neuron may or may not have a change in response
- Cutaneous receptors are located in the proprioceptors are located in the and cerebral cortex equilibrium These receptors provide sensory input to the primary sensory area of where the information is processed. the muscle spindle pain Cutaneous receptors are made up of numerous sensory receptors, including those for temperature, pressure, touch, and muscles and joints connective tissue One example is a cutaneous receptor that is onion-shaped and detects pressure, called a Pacinian corpuscle sight Proprioceptors help the body maintain and posture. skin of sensory nerve endings wraps around muscle sheath. Golgi tendon A(n) cells within a(n) organs Other sensory receptors, such as organs, are located in the joints.A scientist has dissected out a small section of the retina and is able to directly record the action potential firing rate in a single ganglion cell. Assume there is a on-center off-surround bipolar cell connected to an on-center off-surround ganglion cell. When applying ‘Stimulus 1’ the scientist records a moderate action potential rate. When applying ‘Stimulus 2’ the rate of action potentials increases substantially. In the context of this experiment no illumination is an option as a 'Stimulus'. ‘Stimulus 2’ would result in what response in the bipolar cell (the one connected to the ganglion cell the scientist is measuring)? A. A large depolarization of the bipolar cell membrane B. The bipolar cell membrane would remain at the resting membrane potential C. A large hyperpolarization of the bipolar cell membrane D. A small hyperpolarization of the bipolar cell membrane E. A small depolarization of the bipolar cell membranePart A Bending of the stereocilia of the inner hair cells results in... O depolarization due to potassium ion influx into the cell. O hyperpolarization due to potassium ion efflux out of the cell. O hyperpolarization due to sodium ion efflux out of the cell. O depolarization due to sodium ion influx into the cell. Submit Request Answer Provide Feedback
